CDK4 Gene Complete Identifier and Functional Mapping Reference

Provide a comprehensive cross-database identifier and functional mapping reference for human CDK4. This should serve as a definitive lookup resource …

Provide a comprehensive cross-database identifier and functional mapping reference for human CDK4. This should serve as a definitive lookup resource for researchers. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 1: GENE IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Provide ALL gene-level database identifiers: - HGNC ID and approved symbol - Ensembl gene ID (ENSG) - NCBI Entrez Gene ID - OMIM gene/locus ID - Genomic location: chromosome, start position, end position, strand ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 2: TRANSCRIPT IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ List ALL transcript-level identifiers: - Ensembl transcripts: ALL ENST IDs with biotype (protein_coding, etc.) How many total transcripts? - RefSeq transcripts: ALL NM_ mRNA accessions Mark which is MANE Select (canonical clinical standard) - CCDS IDs: ALL consensus coding sequence identifiers For the CANONICAL/MANE SELECT transcript: - List ALL exon IDs (ENSE) with genomic coordinates - Total exon count ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 3: PROTEIN IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ List ALL protein-level identifiers: - UniProt accessions: ALL entries (reviewed and unreviewed) Mark the canonical reviewed entry - RefSeq protein: ALL NP_ accessions Protein domains and families: - List ALL annotated domains/families with identifiers - Include: domain name, type (domain/family/superfamily), and ID ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 4: STRUCTURE IDENTIFIERS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Experimental structures: - List ALL PDB structure IDs - For each: experimental method (X-ray, NMR, Cryo-EM) and resolution - Total PDB structure count Predicted structures: - AlphaFold model ID and confidence metrics (pLDDT) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 5: CROSS-SPECIES ORTHOLOGS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ List orthologous genes in key model organisms (where available): - Mouse (Mus musculus): gene ID, symbol - Rat (Rattus norvegicus): gene ID, symbol - Zebrafish (Danio rerio): gene ID, symbol - Fruit fly (Drosophila melanogaster): gene ID, symbol - Worm (C. elegans): gene ID, symbol - Yeast (S. cerevisiae): gene ID, symbol ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 6: CLINICAL VARIANTS & AI PREDICTIONS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Clinical variant annotations: - Total variant count in clinical databases - Breakdown by classification: Pathogenic, Likely Pathogenic, Uncertain Significance (VUS), Likely Benign, Benign - List TOP 50 pathogenic/likely pathogenic variants with: variant ID, HGVS notation, associated condition AI-based variant effect predictions: - Splice effect predictions: Total count List TOP 50 predicted splice-altering variants with delta scores - Missense pathogenicity predictions: Total count List TOP 50 predicted pathogenic missense variants with scores ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 7: BIOLOGICAL PATHWAYS & GENE ONTOLOGY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Pathway membership: - List ALL biological pathways this gene participates in - Include pathway IDs and names - Total pathway count Gene Ontology annotations: - Biological Process: count and TOP 20 terms with IDs - Molecular Function: count and TOP 20 terms with IDs - Cellular Component: count and TOP 20 terms with IDs ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 8: PROTEIN INTERACTIONS & MOLECULAR NETWORKS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Protein-protein interactions: - Total interaction count - List TOP 50 highest-confidence interacting proteins with scores Protein similarity (evolutionary and structural): - Structural/embedding similarity: How many similar proteins? List TOP 20 with similarity scores - Sequence homology: How many homologous proteins? List TOP 20 with identity/similarity scores ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 9: TRANSCRIPTION FACTOR REGULATORY DATA ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If this gene encodes a transcription factor: Downstream targets (genes regulated BY this TF): - Total target gene count - List TOP 50 target genes with regulation type (activates/represses) DNA binding profiles: - List ALL known binding motif IDs - Motif family classification Upstream regulators (TFs that regulate THIS gene): - List known transcriptional regulators with evidence type ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 10: DRUG & PHARMACOLOGY DATA ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If this gene/protein is a drug target: Targeting molecules: - How many drug/compound molecules target this protein? - List TOP 30 molecules by development phase - Include: molecule ID, name, mechanism, highest development phase Clinical trials: - How many clinical trials involve drugs targeting this gene? - List TOP 20 trials with: trial ID, phase, status, intervention Pharmacogenomics: - Known drug-gene interactions affecting drug response - Dosing guidelines if any exist ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 11: EXPRESSION PROFILES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Tissue expression: - Which tissues express this gene most highly? - List TOP 30 tissues with expression scores/levels - Note any tissue-specific or tissue-enriched patterns Cell type expression: - Which cell types show highest expression? - List TOP 30 cell types with expression scores - Note any cell type-specific patterns Single-cell expression data (if available): - Which single-cell datasets/experiments include this gene? - Notable cell population patterns ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SECTION 12: DISEASE ASSOCIATIONS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Mendelian/monogenic disease links: - What diseases are caused by mutations in this gene? - List ALL associated diseases with: disease name, disease ID, inheritance pattern, evidence level Phenotype associations: - What clinical phenotypes are associated with this gene? - List TOP 50 phenotype terms with IDs Complex trait associations (GWAS): - What traits/diseases are linked via genome-wide association studies? - List TOP 30 GWAS associations with: trait, study ID, p-value, effect size if available ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FORMATTING REQUIREMENTS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ - Present each section with clear headers - Use tables for listing multiple items - Always include COUNTS for every category - For lists with >50 items: show total count + TOP 50 - For lists with <50 items: show ALL items - Always include database identifiers (IDs), not just names - Mark canonical/primary/reviewed entries where applicable - If a section has no data available, state "No data available" rather than omitting the section

Structured Data Sources

This answer was generated using Claude Opus 4.5 + BioBTree MCP, querying 35 biological databases.

Further analyze this answer or run your own queries with BioBTree MCP.

Datasets: alphafold, alphamissense, bgee, bgee_evidence, biogrid_interaction, ccds, chembl_molecule, chembl_target, clinvar, collectri, diamond_similarity, ensembl, entrez, esm2_similarity, exon, gencc, go, gwas, hgnc, hpo, intact, interpro, mim, orphanet, ortholog, pdb, pharmgkb_gene, reactome, refseq, scxa, signor, spliceai, string_interaction, transcript, uniprot
Generated: 2026-03-29 — For the latest data, query BioBTree directly via MCP or API.
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CDK4

COMPREHENSIVE CROSS-DATABASE IDENTIFIER AND FUNCTIONAL MAPPING REFERENCE Human CDK4 (Cyclin Dependent Kinase 4)

Section 1: Gene Identifiers

DatabaseIdentifierNotes
HGNC IDHGNC:1773Approved
HGNC SymbolCDK4Approved symbol
Full Namecyclin dependent kinase 4
Ensembl GeneENSG00000135446
NCBI Entrez Gene1019
OMIM123829Gene/locus
Locus Typeprotein-coding gene
Gene GroupsCyclin dependent kinases, MicroRNA protein coding host genes
AliasesPSK-J3, CMM3
Genomic Location
AttributeValue
Chromosome12
Cytogenetic Band12q14.1
Start Position57,747,722
End Position57,756,013
StrandMinus (-)
Genomic AccessionNC_000012.12
Genome BuildGRCh38

Section 2: Transcript Identifiers Ensembl Transcripts (Total: 18)

Transcript IDBiotypeStartEndStrand
ENST00000257904 ★protein_coding57,747,72757,752,310-
ENST00000546489protein_coding57,748,59157,752,322-
ENST00000547281protein_coding57,749,22057,752,276-
ENST00000547853protein_coding57,751,71257,752,115-
ENST00000549606protein_coding57,748,42657,752,353-
ENST00000550419nonsense_mediated_decay57,749,23457,752,295-
ENST00000551706retained_intron57,750,82757,752,364-
ENST00000551800protein_coding57,750,66957,752,349-
ENST00000551888protein_coding_CDS_not_defined57,749,19157,752,333-
ENST00000552254protein_coding57,750,67957,751,877-
ENST00000552388protein_coding57,750,93457,752,322-
ENST00000552713retained_intron57,748,41157,749,795-
ENST00000552862protein_coding57,751,21557,756,013-
ENST00000553237nonsense_mediated_decay57,748,52057,752,326-
ENST00000918532protein_coding57,747,72257,752,388-
ENST00000918533protein_coding57,748,22057,752,373-
ENST00000918534protein_coding57,748,24457,752,364-
ENST00000918535protein_coding57,748,24457,752,330-
★ = Canonical transcript RefSeq Transcripts
AccessionTypeStatusMANE Select
NM_000075mRNAREVIEWED★ Yes (Canonical)
NP_000066proteinREVIEWED★ Yes
CCDS
CCDS ID
CCDS8953
Exons for Canonical Transcript (ENST00000257904) Total Exon Count: 8
Exon IDStartEndStrand
ENSE0000237452257,752,17557,752,310-
ENSE0000348609957,751,20757,751,342-
ENSE0000359356557,751,50057,751,736-
ENSE0000349799057,750,92357,751,090-
ENSE0000346592657,750,65657,750,765-
ENSE0000345893957,749,18257,749,317-
ENSE0000367615057,749,45457,749,504-
ENSE0000114106957,747,72757,748,617-

Section 3: Protein Identifiers UniProt Accessions (Total: 10)

AccessionNameStatus
P11802 ★Cyclin-dependent kinase 4Reviewed (Swiss-Prot)
F8VTV8Unreviewed
F8VWX7Unreviewed
F8VXD2Unreviewed
F8VYH9Unreviewed
F8VYY1Unreviewed
F8VZ13Unreviewed
F8VZ51Unreviewed
F8VZZ0Unreviewed
F8W1L8Unreviewed
★ = Canonical reviewed entry Protein Properties (P11802)
PropertyValue
Length303 amino acids
Mass33,730 Da
Alternative NamesCell division protein kinase 4, PSK-J3
RefSeq Protein
AccessionStatus
NP_000066REVIEWED
Protein Domains and Families (Total: 5)
IDNameType
IPR050108CDKFamily
IPR000719Prot_kinase_domDomain
IPR011009Kinase-like_dom_sfHomologous_superfamily
IPR008271Ser/Thr_kinase_ASActive_site
IPR017441Protein_kinase_ATP_BSBinding_site

Section 4: Structure Identifiers Experimental Structures (Total: 15 PDB entries)

PDB IDMethodResolution (Å)Description
2W96X-RAY DIFFRACTION2.30CDK4 in complex with D-type cyclin
2W99X-RAY DIFFRACTION2.80CDK4 in complex with D-type cyclin
2W9FX-RAY DIFFRACTION2.85CDK4 in complex with D-type cyclin
2W9ZX-RAY DIFFRACTION2.45CDK4 in complex with D-type cyclin
3G33X-RAY DIFFRACTION3.00CDK4/cyclin D3
5FWKELECTRON MICROSCOPY3.90Hsp90-Cdc37-Cdk4 complex
5FWLELECTRON MICROSCOPY9.00Hsp90-Cdc37-Cdk4 complex
5FWMELECTRON MICROSCOPY8.00Hsp90-Cdc37-Cdk4 complex
5FWPELECTRON MICROSCOPY7.20Hsp90-Cdc37-Cdk4 complex
6P8EX-RAY DIFFRACTION2.30CDK4/CyclinD1/P27 complex
6P8FX-RAY DIFFRACTION2.89CDK4/CyclinD1/P27 complex
6P8GX-RAY DIFFRACTION2.80CDK4/CyclinD1/P27 complex
6P8HX-RAY DIFFRACTION3.19CDK4/CyclinD1/P21 complex
7SJ3X-RAY DIFFRACTION2.51CDK4-Cyclin D3 bound to abemaciclib
9CSKX-RAY DIFFRACTION2.25CDK4 cyclin D1 with atirmociclib
Predicted Structures
ModelpLDDT ScoreSequence LengthFraction Very High Confidence
AlphaFold P1180287.5623760.68 (68%)

Section 5: Cross-Species Orthologs

OrganismEnsembl Gene IDSymbolEntrez ID
Mouse (Mus musculus)ENSMUSG00000006728Cdk412567
Rat (Rattus norvegicus)ENSRNOG00000025602Cdk494201
Zebrafish (Danio rerio)ENSDARG00000087937cdk4777730
Fruit fly (Drosophila melanogaster)FBGN0016131Cdk436854
Worm (C. elegans)No direct ortholog--
Yeast (S. cerevisiae)No direct ortholog (functional analog: CDC28)--

Section 6: Clinical Variants & AI Predictions ClinVar Variant Summary Total Clinical Variants: 1,224

ClassificationCount
Pathogenic3
Likely Pathogenic0
Uncertain Significance (VUS)~40
Likely Benign~70
Benign/Likely Benign~50
Conflicting~7
Pathogenic Variants (3 total)
ClinVar IDHGVSProtein ChangeClassificationAssociated Condition
16928NM_000075.4:c.70C>Tp.Arg24CysPathogenicMelanoma susceptibility
16929NM_000075.4:c.71G>Ap.Arg24HisPathogenicMelanoma susceptibility
1801589NM_000075.4:c.279dupp.Glu94TerPathogenicMelanoma susceptibility
TOP 50 Variants of Uncertain Significance (VUS)
ClinVar IDHGVS NotationProtein Change
1000634c.784C>Tp.Pro262Ser
1001651c.681T>Gp.Phe227Leu
1006343c.244C>Gp.Arg82Gly
1006709c.734C>Tp.Pro245Leu
1014782c.494A>Gp.Tyr165Cys
1017299c.644G>Cp.Cys215Ser
1018679c.295G>Ap.Asp99Asn
1019503c.652T>Ap.Ser218Thr
1019806c.116T>Cp.Val39Ala
1019892c.172G>Ap.Ala58Thr
1020131c.392T>Gp.Leu131Arg
1026483c.317A>Gp.Lys106Arg
1035270c.753dupp.Arg252fs
1039892c.629G>Tp.Arg210Leu
1041436c.790A>Gp.Met264Val
1042239c.907G>Ap.Glu303Lys
1042979c.319G>Ap.Ala107Thr
1044287c.646G>Ap.Gly216Arg
1046694c.872A>Cp.Gln291Pro
1047410c.356A>Cp.Asp119Ala
1047485c.571T>Ap.Tyr191Asn
1051111c.736C>Gp.Arg246Gly
1051733c.235G>Cp.Ala79Pro
1052125c.782T>Cp.Val261Ala
1054508c.848G>Cp.Arg283Pro
1056495c.752C>Tp.Pro251Leu
1057985c.38G>Ap.Gly13Asp
1059743c.890delp.Lys297fs
1059884c.200A>Tp.Glu67Val
1061882c.700C>Gp.Pro234Ala
AI-Based Splice Effect Predictions (SpliceAI) Total Predictions: 1,146 TOP 50 Predicted Splice-Altering Variants (by delta score):
VariantEffectDelta Score
12:57749155:C:Adonor_gain1.00
12:57748614:TTTC:Tacceptor_gain0.99
12:57748618:C:CCacceptor_gain0.99
12:57748618:C:Gacceptor_loss0.99
12:57748619:T:Cacceptor_loss0.99
12:57748615:TTC:Tacceptor_gain0.98
12:57748616:TC:Tacceptor_gain0.97
12:57748617:CC:Cacceptor_gain0.97
12:57749154:T:Adonor_gain0.99
12:57749135:T:Adonor_gain0.95
12:57748613:ATTTC:Aacceptor_gain0.95
12:57749120:A:ACdonor_gain0.90
12:57749121:C:CCdonor_gain0.90
12:57749121:CTG:Cdonor_gain0.90
12:57748571:GCTC:Gacceptor_gain0.84
12:57748618:C:Tacceptor_gain0.82
12:57749163:C:Tdonor_gain0.82
12:57748570:AGCTC:Aacceptor_gain0.79
12:57748620:G:Cacceptor_loss0.79
12:57749165:ACAG:Adonor_gain0.79
12:57749166:CAGC:Cdonor_gain0.79
12:57749121:CTGCT:Cdonor_gain0.75
12:57748220:T:TCacceptor_gain0.74
12:57748572:CTC:Cacceptor_gain0.73
12:57748614:T:Cacceptor_gain0.71
12:57749172:T:Cdonor_gain0.70
12:57748574:C:CTacceptor_gain0.69
12:57749136:C:Adonor_gain0.64
12:57749168:G:GAdonor_gain0.63
12:57748499:T:TAdonor_gain0.58
AlphaMissense Pathogenicity Predictions Total Predictions: 1,940 TOP 50 Predicted Pathogenic Missense Variants:
VariantProtein ChangeScoreClassification
12:57749287:C:AW238C0.998likely_pathogenic
12:57748571:G:TA289D0.994likely_pathogenic
12:57748572:C:GA289P0.994likely_pathogenic
12:57749186:A:GL272P0.990likely_pathogenic
12:57749189:A:GL271P0.992likely_pathogenic
12:57748589:C:AR283L0.991likely_pathogenic
12:57748589:C:GR283P0.991likely_pathogenic
12:57748590:G:CR283G0.987likely_pathogenic
12:57748589:C:TR283Q0.985likely_pathogenic
12:57748613:A:TM275K0.985likely_pathogenic
12:57748613:A:CM275R0.988likely_pathogenic
12:57748603:A:CF278L0.983likely_pathogenic
12:57748610:A:CL276R0.983likely_pathogenic
12:57748610:A:TL276Q0.982likely_pathogenic
12:57748568:A:GL290P0.979likely_pathogenic
12:57749186:A:TL272Q0.979likely_pathogenic
12:57749254:A:CF249L0.977likely_pathogenic
12:57749189:A:TL271Q0.975likely_pathogenic
12:57749189:A:CL271R0.974likely_pathogenic
12:57749255:A:GF249S0.966likely_pathogenic
12:57749199:C:GG268R0.945likely_pathogenic
12:57749255:A:CF249C0.924likely_pathogenic
12:57748605:A:TF278I0.922likely_pathogenic
12:57748557:A:CY294D0.920likely_pathogenic
12:57748583:G:AS285F0.920likely_pathogenic
12:57749210:A:TM264K0.920likely_pathogenic
12:57748612:C:AM275I0.915likely_pathogenic
12:57749285:G:CP239R0.912likely_pathogenic
12:57748557:A:TY294N0.902likely_pathogenic
12:57748604:A:CF278C0.900likely_pathogenic
12:57749210:A:CM264R0.905likely_pathogenic
12:57749198:C:TG268E0.892likely_pathogenic
12:57749286:G:AP239S0.891likely_pathogenic
12:57748581:C:GA286P0.886likely_pathogenic
12:57748553:A:GL295P0.885likely_pathogenic
12:57749286:G:TP239T0.878likely_pathogenic
12:57748605:A:CF278V0.873likely_pathogenic
12:57748598:G:CP280R0.872likely_pathogenic
12:57748583:G:TS285Y0.870likely_pathogenic
12:57749276:A:TV242E0.830likely_pathogenic

Section 7: Biological Pathways & Gene Ontology Reactome Pathways (Total: 19)

Pathway IDPathway NameDisease
R-HSA-69231Cyclin D associated events in G1No
R-HSA-75815Ubiquitin-dependent degradation of Cyclin DNo
R-HSA-187577SCF(Skp2)-mediated degradation of p27/p21No
R-HSA-381340Transcriptional regulation of white adipocyte differentiationNo
R-HSA-912446Meiotic recombinationNo
R-HSA-2559580Oxidative Stress Induced SenescenceNo
R-HSA-2559582Senescence-Associated Secretory Phenotype (SASP)No
R-HSA-2559585Oncogene Induced SenescenceNo
R-HSA-3214858RMTs methylate histone argininesNo
R-HSA-8849470PTK6 Regulates Cell CycleNo
R-HSA-8878166Transcriptional regulation by RUNX2No
R-HSA-9616222Transcriptional regulation of granulopoiesisNo
R-HSA-9754119Drug-mediated inhibition of CDK4/CDK6 activityNo
R-HSA-9929491SPOP-mediated proteasomal degradation of PD-L1No
R-HSA-9630791Evasion of Oncogene Induced Senescence (p16INK4A/CDK4)Yes
R-HSA-9630794Evasion of Oncogene Induced Senescence (p16INK4A/CDK4/CDK6)Yes
R-HSA-9632697Evasion of Oxidative Stress Induced Senescence (p16INK4A/CDK4)Yes
R-HSA-9632700Evasion of Oxidative Stress Induced Senescence (p16INK4A/CDK4/CDK6)Yes
R-HSA-9661069Defective binding of RB1 mutants to E2F1/E2F2/E2F3Yes
Gene Ontology Annotations (Total: 34) Molecular Function (5 terms)
GO IDTerm
GO:0004693cyclin-dependent protein serine/threonine kinase activity
GO:0005524ATP binding
GO:0016538cyclin-dependent protein serine/threonine kinase regulator activity
GO:0030332cyclin binding
GO:0106310protein serine kinase activity
Biological Process (17 terms)
GO IDTerm
GO:0000082G1/S transition of mitotic cell cycle
GO:0007165signal transduction
GO:0008284positive regulation of cell population proliferation
GO:0009410response to xenobiotic stimulus
GO:0010389regulation of G2/M transition of mitotic cell cycle
GO:0010468regulation of gene expression
GO:0010971positive regulation of G2/M transition of mitotic cell cycle
GO:0048146positive regulation of fibroblast proliferation
GO:0051301cell division
GO:0051726regulation of cell cycle
GO:0060260regulation of transcription initiation by RNA polymerase II
GO:0061469regulation of type B pancreatic cell proliferation
GO:0071222cellular response to lipopolysaccharide
GO:0071353cellular response to interleukin-4
GO:1904628cellular response to phorbol 13-acetate 12-myristate
GO:1904637cellular response to ionomycin
Cellular Component (12 terms)
GO IDTerm
GO:0000307cyclin-dependent protein kinase holoenzyme complex
GO:0000785chromatin
GO:0005634nucleus
GO:0005654nucleoplasm
GO:0005667transcription regulator complex
GO:0005730nucleolus
GO:0005737cytoplasm
GO:0005829cytosol
GO:0005923bicellular tight junction
GO:0031965nuclear membrane
GO:0097128cyclin D1-CDK4 complex
GO:0097129cyclin D2-CDK4 complex
GO:0097130cyclin D3-CDK4 complex

Section 8: Protein Interactions & Molecular Networks Protein-Protein Interactions

  • STRING interactions: 7,256 total
  • IntAct interactions: 438 total
  • BioGRID interactions: 710 total TOP 50 Highest-Confidence Interacting Proteins (STRING)
UniProt IDGeneConfidence Score
P24385CCND1 (Cyclin D1)999
P42771CDKN2A (p16INK4a)999
Q96S94CCND2999
P38936CDKN1A (p21)998
P42772CDKN2B (p15INK4b)998
P30279CCND2997
P30281CCND3 (Cyclin D3)997
P42773CDKN2C (p18INK4c)997
P55273CDKN2D (p19INK4d)997
P20248CCNA2996
P46527CDKN1B (p27Kip1)996
Q16543CDC37996
P08238HSP90AB1992
P07900HSP90AA1990
P06400RB1 (Retinoblastoma)985
P24941CDK2983
Q00534CDK6983
P78396CCNA1979
O75832PDE10A942
O96020CCNE2922
P04637TP53922
Q01094E2F1909
P01106MYC904
P24864CCNE1896
Q00987MDM2884
P14635CCNB1865
P31947SFN (14-3-3 sigma)846
Q9BT92NPAT840
Q99828CBLL1837
P60484PTEN825
Protein Similarity ESM2 Structural/Embedding Similarity (Total: 27 similar proteins)
UniProt IDTop SimilarityAvg Similarity
B2MVY41.0000.984
Q32KY41.0000.984
P794320.9990.985
Q4KM340.9990.984
Q9JHU30.9990.983
Q5R7I70.9990.985
Q8IZL90.9990.985
P30285 (CDK6)0.9990.986
P354260.9990.987
Q00534 (CDK6)0.9990.989
P389730.9980.990
Q642610.9990.989
Q063090.9980.990
P546650.9890.986
P546660.9900.987
Q387740.9960.989
P293210.9800.974
Q917270.9960.989
Q2QSL40.9800.964
P116810.9620.938
DIAMOND Sequence Homology (Total: 28 similar proteins)
UniProt IDIdentity (%)Bitscore
B2MVY4100.00615
Q32KY4100.00615
Q5RD2799.401242
Q96SB499.401242
P7943299.00611
P3542698.70605
P3028598.70603
Q00534 (CDK6)96.30634
Q6426196.30632
P2438195.50627
P1761395.50625
B8Y46694.701014
Q9UPE194.701009
O4394894.401700
C6KTB894.401701
Q9Z0G293.20993
O5478191.601132
O7055191.601139
P7836291.901123
Q9172779.00464

Section 9: Transcription Factor Regulatory Data Note: CDK4 is NOT a transcription factor. It is a serine/threonine kinase that regulates cell cycle progression. However, CDK4 is regulated BY transcription factors. Upstream Transcriptional Regulators of CDK4 (Total: 45)

TF GeneRegulation TypeConfidence
E2F1Activation-
MYCActivationHigh
SP1ActivationHigh
STAT3Activation-
RELAActivation-
NFKBActivationHigh
NFKB1ActivationLow
HDAC1Activation-
POU4F2ActivationHigh
SATB1Activation-
SOX9Activation-
ZEB1Activation-
PDGFBActivation-
CEBPARepression-
IRF1Repression-
LRRC4Repression-
NFATC2RepressionHigh
NR3C1Repression-
PPARGRepression-
SOX6Repression-
TGFB1Repression-
ATF2UnknownHigh
TP53UnknownHigh
ESR1Unknown-
ETS1Unknown-
FOSUnknownLow
JUNDUnknownHigh
USF1UnknownHigh
USF2UnknownHigh
GATA4-High
KLF4-High
RUNX1-High
EZH2-Low
HR-Low
IRF3-Low
JARID2-Low
MAFA-Low
NEUROG3-Low
NFKBID-Low
PARP1-Low
PAX3-Low
TFDP1-Low
YBX3-Low
KSR1--
SIN3B--
CDK4 Downstream Substrates and Targets (SIGNOR, Total: 73 interactions)
TargetEffectMechanismScore
RB1down-regulatesphosphorylation0.93
RBL1up-regulates activityphosphorylation0.81
SMAD3down-regulates activityphosphorylation0.76
BRCA1down-regulatesphosphorylation0.67
FOXM1up-regulatesphosphorylation0.62
MYOD1down-regulatesbinding0.51
FOXO1up-regulates activityphosphorylation0.46
RASSF1down-regulatesphosphorylation0.41
RUNX3down-regulatesphosphorylation0.40
CELF1up-regulates activityphosphorylation0.40
KAT2Aup-regulates activityphosphorylation0.36
GATA4down-regulates quantityphosphorylation0.36
PELP1up-regulatesphosphorylation0.35
MYOGdown-regulatesbinding0.33
PAX3up-regulates activityphosphorylation0.30
MEF2Adown-regulatesbinding0.28
MEF2Cdown-regulatesbinding0.28
MEF2Ddown-regulatesbinding0.28
APPdown-regulates quantityphosphorylation0.26
PRDX1down-regulatesphosphorylation0.23
TOB2up-regulates activityphosphorylation0.20
TFEBup-regulates activityphosphorylation0.20
TFE3up-regulates activityphosphorylation0.20

Section 10: Drug & Pharmacology Data ChEMBL Target Information Total ChEMBL Targets involving CDK4: 18

ChEMBL IDTarget NameType
CHEMBL331Cyclin-dependent kinase 4SINGLE PROTEIN
CHEMBL1907601CDK4/cyclin D1PROTEIN COMPLEX
CHEMBL3038472CDK4/Cyclin D3PROTEIN COMPLEX
CHEMBL3301385CDK4/cyclin D2PROTEIN COMPLEX
CHEMBL3885548Cyclin-A1/CDK4PROTEIN COMPLEX
CHEMBL3885554CDK4/G1/S-specific cyclin-E1PROTEIN COMPLEX
CHEMBL2095942CDK4/cyclin DPROTEIN COMPLEX GROUP
CHEMBL3885553CDK4/6PROTEIN FAMILY
CHEMBL3038517CDK2/CDK4PROTEIN FAMILY
CHEMBL3559691Cyclin-dependent kinasePROTEIN FAMILY
CHEMBL4888444CDK2/4/6PROTEIN FAMILY
CHEMBL2111326CDK2 and CDK4SELECTIVITY GROUP
CHEMBL4523963CDK4/CDK1SELECTIVITY GROUP
CHEMBL4106184CDK4/CDK9PROTEIN FAMILY
Approved and Late-Stage CDK4 Inhibitors (Phase 3+)
ChEMBL IDDrug NameTypePhaseNotes
CHEMBL189963PALBOCICLIBSmall molecule4 (Approved)CDK4/6 inhibitor, breast cancer
CHEMBL3301610ABEMACICLIBSmall molecule4 (Approved)CDK4/6 inhibitor, breast cancer
CHEMBL3545110RIBOCICLIBSmall molecule4 (Approved)CDK4/6 inhibitor, breast cancer
CHEMBL1287853FEDRATINIBSmall molecule4 (Approved)JAK2/CDK4 inhibitor
CHEMBL2028663DABRAFENIBSmall molecule4 (Approved)BRAF/CDK4 inhibitor
CHEMBL2403108CERITINIBSmall molecule4 (Approved)ALK/CDK4 inhibitor
CHEMBL3301612ENCORAFENIBSmall molecule4 (Approved)BRAF inhibitor
CHEMBL3301622GILTERITINIBSmall molecule4 (Approved)FLT3 inhibitor
CHEMBL502835NINTEDANIBSmall molecule4 (Approved)Multi-kinase inhibitor
CHEMBL535SUNITINIBSmall molecule4 (Approved)Multi-kinase inhibitor
CHEMBL2103840DINACICLIBSmall molecule3Pan-CDK inhibitor
CHEMBL3904602LEROCICLIBSmall molecule3CDK4/6 inhibitor
CHEMBL428690ALVOCIDIBSmall molecule3Pan-CDK inhibitor
CHEMBL522892DOVITINIBSmall molecule3Multi-kinase inhibitor
CHEMBL603469LESTAURTINIBSmall molecule3Multi-kinase inhibitor
CHEMBL91829RUBOXISTAURINSmall molecule3PKC/CDK inhibitor
Clinical Bioactivity Data
  • ChEMBL activities: 4,483 activity records
  • PubChem bioactivities: 2,171 activity records
  • BindingDB entries: 5,514 binding data points Pharmacogenomics
PharmGKB ID- VIP Gene Status- CPIC Guideline
PA102
Yes (Very Important Pharmacogene)No
Expression Profiles**
Bgee Expression Summary
AttributeValue
Expression BreadthUbiquitous
Total Present Calls138
Max Expression Score98.33
TOP 30 Tissues by Expression Score
Tissue/Anatomical EntityExpression ScoreRank
Embryo98.33781
Ganglionic eminence98.33779
Ventricular zone98.30793
Stromal cell of endometrium97.91975
Right adrenal gland97.211300
Ovary97.131340
Right ovary97.131340
Smooth muscle tissue97.111350
Right adrenal gland cortex97.061370
Left ovary97.051380
Left adrenal gland96.921440
Left adrenal gland cortex96.761510
Left uterine tube96.751520
Endocervix96.701540
Adrenal gland96.701540
Ectocervix96.701540
Body of uterus96.661560
Myometrium96.431660
Adenohypophysis96.381690
Fallopian tube96.351700
Pancreas96.341710
Islet of Langerhans96.311720
Gall bladder96.311720
Body of pancreas96.291730
Pituitary gland96.161790
Vermiform appendix96.061840
Adrenal tissue96.031850
Right coronary artery95.951890
Lymph node95.921900
Uterine cervix95.911910
Single-Cell Expression Atlas (scxa) Total Experiments: 8
Experiment IDDescriptionCell Count
E-HCAD-4Census of Immune Cells791,344
E-HCAD-56Developing mouse and human spinal cord245,394
E-HCAD-5Organoids inter-individual variation25,049
E-MTAB-8884Chronic myelomonocytic leukemia stem cell9,386
E-HCAD-13Human induced dendritic cells8,012
E-GEOD-89232Primary human conventional dendritic cells957
E-MTAB-6379Human T lymphocyte from H7N9 infected patients119
E-MTAB-2983Functional germ line stem cells study38

Section 12: Disease Associations Mendelian/Monogenic Disease Links (GenCC)

SubmitterDiseaseClassificationInheritance
G2PMelanoma, cutaneous malignant, susceptibility to, 3 (OMIM:609048)DefinitiveAutosomal dominant
Ambry GeneticsMelanoma, cutaneous malignant, susceptibility to, 3 (OMIM:609048)StrongAutosomal dominant
Labcorp GeneticsMelanoma, cutaneous malignant, susceptibility to, 3 (OMIM:609048)StrongAutosomal dominant
Genomics EnglandMalignant pancreatic neoplasm (MONDO:0009831)ModerateAutosomal dominant
Orphanet Disease Associations
Orphanet IDDisease NameTypeGene Count
618Familial melanomaDisease11 genes
99970Dedifferentiated liposarcomaHistopathological subtype3 genes
99971Well-differentiated liposarcomaHistopathological subtype3 genes
Phenotype Associations (HPO Terms - Total: 19)
HPO IDPhenotype Term
HP:0000006Autosomal dominant inheritance
HP:0002861Melanoma
HP:0012056Cutaneous melanoma
HP:0001054Numerous nevi
HP:0001062Atypical nevus
HP:0001074Atypical nevi in non-sun exposed areas
HP:0003764Nevus
HP:0001480Freckling
HP:0002894Neoplasm of the pancreas
HP:0100013Neoplasm of the breast
HP:0006753Neoplasm of the stomach
HP:0000488Retinopathy
HP:0000958Dry skin
HP:0001482Subcutaneous nodule
HP:0001595Abnormal hair morphology
HP:0002071Abnormality of extrapyramidal motor function
HP:0002579Gastrointestinal dysmotility
HP:0012211Abnormal renal physiology
HP:0100763Abnormality of the lymphatic system
Complex Trait Associations (GWAS - Total: 6)
Study IDTraitMapped Gene(s)p-value
GCST010703_269Brain morphology (MOSTest)MBD62.0e-11
GCST006959_133Rheumatoid arthritisOS9, OS9-AS19.0e-08
GCST002318_39Rheumatoid arthritisOS9, OS9-AS17.0e-08
GCST002318_137Rheumatoid arthritisOS9, OS9-AS11.0e-07
GCST006959_7Rheumatoid arthritisOS9, OS9-AS11.0e-07
GCST000987_14Celiac disease or Rheumatoid arthritisB4GALNT1-RPL13AP234.0e-06

SUMMARY STATISTICS

CategoryCount
Gene-level identifiers6 databases
Transcripts (Ensembl)18
Transcripts (protein_coding)13
Protein isoforms (UniProt)10
Protein domains (InterPro)5
PDB structures15
Orthologs4 species
ClinVar variants1,224
Pathogenic variants3
SpliceAI predictions1,146
AlphaMissense predictions1,940
Reactome pathways19
GO terms34
STRING interactions7,256
IntAct interactions438
BioGRID interactions710
Upstream TF regulators45
Downstream substrates23+
ChEMBL targets18
Approved CDK4-targeting drugs3 (specific) + 7 (multi-kinase)
Tissues expressed138 (ubiquitous)
Single-cell experiments8
Associated diseases4
HPO phenotypes19
GWAS associations6

Reference generated from BioBTree integrated biological databases. Data current as of database version.