PDCD1 Gene Complete Identifier and Functional Mapping Reference

Provide a comprehensive cross-database identifier and functional mapping reference for human PDCD1. This should serve as a definitive lookup resource …

Provide a comprehensive cross-database identifier and functional mapping reference for human PDCD1. 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 36 biological databases.

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

Datasets: alphafold, alphamissense, bgee, bgee_evidence, ccds, cellphonedb, chembl_molecule, chembl_target, clinvar, collectri, diamond_similarity, ensembl, entrez, esm2_similarity, exon, gencc, go, gwas, hgnc, hpo, intact, interpro, mim, msigdb, orphanet, ortholog, pdb, pharmgkb_gene, reactome, refseq, scxa, signor, spliceai, string_interaction, transcript, uniprot
Generated: 2026-03-31 — For the latest data, query BioBTree directly via MCP or API.
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PDCD1

PDCD1 (PD-1) - Comprehensive Cross-Database Identifier and Functional Mapping Reference


Section 1: Gene Identifiers

AttributeValue
Gene SymbolPDCD1
Gene NameProgrammed cell death 1
HGNC IDHGNC:8760
Ensembl Gene IDENSG00000188389
NCBI Entrez Gene ID5133
OMIM ID600244
Locus TypeProtein-coding gene
StatusApproved
Aliases: CD279, PD1, PD-1, hSLE1 Previous Symbols: SLEB2 (systemic lupus erythematosus susceptibility 2) Gene Groups: CD molecules, V-set domain containing Genomic Location
AttributeValue
Chromosome2
Cytogenetic Band2q37.3
Start Position241,849,884
End Position241,858,894
StrandMinus (-)
Genome AssemblyGRCh38

Section 2: Transcript Identifiers Total Ensembl Transcripts: 7 All Ensembl Transcripts

Transcript IDBiotypeStartEnd
ENST00000334409protein_coding241,849,884241,858,894
ENST00000343705protein_coding241,849,884241,858,894
ENST00000718473protein_coding241,849,884241,858,894
ENST00000890793protein_coding241,849,886241,858,894
ENST00000944235protein_coding241,849,887241,858,894
ENST00000418831nonsense_mediated_decay241,850,697241,858,865
ENST00000718474nonsense_mediated_decay241,849,884241,858,894
RefSeq Transcripts (Human)
RefSeq IDTypeStatusMANE Select
NM_005018mRNAREVIEWED✓ Yes
XM_006712573mRNAPREDICTEDNo
XM_054328654mRNAPREDICTEDNo
XM_054342460mRNAPREDICTEDNo
CCDS ID
CCDS ID
CCDS33428
Exons for Canonical Transcript (ENST00000334409) Total Exon Count: 5
Exon IDStartEndStrand
ENSE00001372954241,858,763241,858,894-
ENSE00001384908241,852,621241,852,980-
ENSE00003549266241,851,949241,851,983-
ENSE00003605706241,852,198241,852,353-
ENSE00004035194241,849,884241,851,297-

Section 3: Protein Identifiers UniProt Accessions

UniProt IDStatusName
Q15116✓ Reviewed (Swiss-Prot)Programmed cell death protein 1
A0A0M3M0G7Unreviewed (TrEMBL)-
E7ER21Unreviewed (TrEMBL)-
H0Y2W6Unreviewed (TrEMBL)-
Canonical Protein Properties (Q15116)
PropertyValue
Length288 amino acids
Mass31,647 Da
RefSeq Protein Accessions (Human)
RefSeq IDTypeStatus
NP_005009proteinREVIEWED
XP_006712636predicted_proteinPREDICTED
XP_054184629predicted_proteinPREDICTED
XP_054198435predicted_proteinPREDICTED
Protein Domains and Families (InterPro) Total Domain/Family Count: 6
InterPro IDNameType
IPR003599Ig_subDomain
IPR007110Ig-like_domDomain
IPR013106Ig_V-setDomain
IPR042379PDCD1Family
IPR013783Ig-like_foldHomologous superfamily
IPR036179Ig-like_dom_sfHomologous superfamily

Section 4: Structure Identifiers Experimental Structures (PDB) Total PDB Structure Count: 37

PDB IDTitleMethodResolution (Å)
2M2DHuman PD-1 receptorSOLUTION NMR-
3RRQExtracellular domain of human PD-1X-RAY DIFFRACTION2.1
4ZQKPD-1/PD-L1 complexX-RAY DIFFRACTION2.45
5B8CPD-1 with pembrolizumab FvX-RAY DIFFRACTION2.15
5GGRPD-1 with nivolumab FabX-RAY DIFFRACTION3.3
5GGSPD-1 with pembrolizumab FabX-RAY DIFFRACTION2.0
5IUSPD-L1 with PD-1 mutantX-RAY DIFFRACTION2.89
5JXEPD-1 with Pembrolizumab FabX-RAY DIFFRACTION2.9
5WT9PD-1 with nivolumab-FabX-RAY DIFFRACTION2.4
6HIGPD-1/NBO1a Fab complexX-RAY DIFFRACTION2.2
6J14PD-1 with GY-14X-RAY DIFFRACTION1.4
6J15PD-1 with GY-5 FabX-RAY DIFFRACTION2.6
6JBTPD-1 with toripalimab-FabX-RAY DIFFRACTION2.47
6JJPPD-1 with MW11-h317 antibodyX-RAY DIFFRACTION2.9
6K0YPD-1 with mAb059cX-RAY DIFFRACTION1.7
6R5GSHP-2 with PD-1 phospho-ITSMSOLUTION NMR-
6ROYN-SH2/PTPN11 with ITIMX-RAY DIFFRACTION2.1
6ROZN-SH2/PTPN11 with ITSMX-RAY DIFFRACTION2.89
6UMTPD-1/PD-L2 complexX-RAY DIFFRACTION1.99
6UMUApo PD-1 triple mutantX-RAY DIFFRACTION1.18
6UMVApo PD-1 double mutantX-RAY DIFFRACTION1.42
6XKRPD-1 with Sasanlimab FabX-RAY DIFFRACTION2.59
7BXAPD-1 with tislelizumab FabX-RAY DIFFRACTION3.32
7CGWPD-1 with tislelizumab FabX-RAY DIFFRACTION3.2
7CU5PD-1 with camrelizumabX-RAY DIFFRACTION2.81
7E9BPD-1 with HLX10 antibodyX-RAY DIFFRACTION1.78
7VUXPD-1 with 609A-FabX-RAY DIFFRACTION1.64
7WSLPD-1 with DostarlimabX-RAY DIFFRACTION1.53
7WVMPD-1 with cemiplimabX-RAY DIFFRACTION3.4
8AS0PD-1 with D12 antibody FabX-RAY DIFFRACTION3.5
8EQ6PD-1 with Fab ComplexX-RAY DIFFRACTION1.65
8GY5PD-1 with cemiplimab FabX-RAY DIFFRACTION1.98
8U31PD-1 with FabX-RAY DIFFRACTION2.73
8U32PD-1 with FabX-RAY DIFFRACTION2.51
9HK1PD-1 with Fab ComplexX-RAY DIFFRACTION2.03
9Q8LPD-1 with 21A08Ap1-FabX-RAY DIFFRACTION1.85
9EHTPD-1 with retifanlimabX-RAY DIFFRACTION1.54
Predicted Structures (AlphaFold)
AlphaFold IDGlobal pLDDTSequence LengthFraction Very High pLDDT
Q1511674.5322320.36

Section 5: Cross-Species Orthologs

OrganismGene IDSymbolBiotype
Mouse (Mus musculus)ENSMUSG00000026285Pdcd1protein_coding
Rat (Rattus norvegicus)ENSRNOG00000019043Pdcd1protein_coding
Zebrafish (Danio rerio)No data available--
Fruit fly (D. melanogaster)No data available--
Worm (C. elegans)No data available--
Yeast (S. cerevisiae)No data available--

Section 6: Clinical Variants & AI Predictions ClinVar Variant Summary Total Variant Count: 48

ClassificationCount
Pathogenic1
Likely Pathogenic0
Uncertain Significance (VUS)14
Likely Benign6
Benign16
Not Classified11
Pathogenic/Likely Pathogenic Variants
ClinVar IDHGVSClassificationCondition
3376502PDCD1, 1-BP DUP, 105CPathogenic-
Selected Variants of Uncertain Significance
ClinVar IDHGVS NotationClassification
2243463c.38C>T (p.Ala13Val)VUS
2333454c.347A>T (p.Asn116Ile)VUS
2372384c.31G>A (p.Val11Ile)VUS
2398088c.581G>A (p.Arg194Gln)VUS
2531224c.344G>A (p.Arg115His)VUS
3210522c.633G>T (p.Glu211Asp)VUS
3305293c.416G>A (p.Arg139Gln)VUS
3887101c.328G>A (p.Val110Met)VUS
3929843c.512T>C (p.Val171Ala)VUS
4133549c.526G>T (p.Gly176Cys)VUS
4566153c.854C>T (p.Ser285Phe)VUS
4566154c.415C>T (p.Arg139Trp)VUS
4566155c.256C>T (p.Arg86Cys)VUS
AI-Based Splice Effect Predictions (SpliceAI) Total SpliceAI Predictions: 688 TOP 50 Predicted Splice-Altering Variants (Δscore ≥ 0.5):
VariantEffectDelta Score
2:241851295:CTT:Cacceptor_gain1.00
2:241851298:C:CCacceptor_gain1.00
2:241851299:T:Cacceptor_gain1.00
2:241851300:T:Cacceptor_gain1.00
2:241851300:T:TCacceptor_gain1.00
2:241851944:CTCA:Cdonor_loss1.00
2:241851945:TCA:Tdonor_loss1.00
2:241851291:CCTCC:Cacceptor_gain0.98
2:241851292:CTCC:Cacceptor_gain0.98
2:241851293:TCCT:Tacceptor_gain0.98
2:241851948:CCA:Cdonor_gain0.98
2:241851262:C:CTacceptor_gain0.97
2:241851290:TCCTC:Tacceptor_gain0.97
2:241851291:CCTC:Cacceptor_gain0.98
2:241851292:CTCCT:Cacceptor_loss0.96
2:241851293:TCC:Tacceptor_loss0.96
2:241851294:CC:Cacceptor_loss0.96
2:241851295:C:CCacceptor_loss0.96
2:241851295:CTTCT:Cacceptor_loss0.99
2:241851296:TT:Tacceptor_gain0.99
2:241851297:TC:Tacceptor_loss0.99
2:241851298:C:CGacceptor_loss0.99
2:241851299:T:Aacceptor_loss0.99
2:241851299:T:TCacceptor_gain0.99
2:241851943:ACTC:Adonor_loss0.99
2:241851947:A:ACdonor_gain0.99
2:241851947:AC:Adonor_gain0.96
2:241851948:C:CCdonor_gain0.99
2:241851948:CC:Cdonor_gain0.96
2:241851293:TCCTT:Tacceptor_gain0.99
2:241851294:CCTTC:Cacceptor_gain0.99
AI-Based Missense Pathogenicity Predictions (AlphaMissense) Total AlphaMissense Predictions: 1,846 TOP 50 Predicted Pathogenic Missense Variants:
Variant IDProtein ChangeAM ScoreAM Class
2:241851067:C:AW286C0.920likely_pathogenic
2:241851067:C:GW286C0.920likely_pathogenic
2:241851069:A:GW286R0.903likely_pathogenic
2:241851069:A:TW286R0.903likely_pathogenic
2:241851062:A:TL288H0.663likely_pathogenic
2:241851068:C:AW286L0.613likely_pathogenic
2:241851068:C:GW286S0.602likely_pathogenic
Most variants in the C-terminal region (residues 270-288) are predicted likely benign.

Section 7: Biological Pathways & Gene Ontology Reactome Pathways Total Pathway Count: 3

Pathway IDPathway NameDisease Pathway
R-HSA-389948Co-inhibition by PD-1No
R-HSA-9679191Potential therapeutics for SARSYes
R-HSA-9931295PD-L1 glycosylation and translocation to plasma membraneNo
Gene Ontology Annotations Total GO Terms: 18 Biological Process (14 terms)
GO IDTerm Name
GO:0001783B cell apoptotic process
GO:0002250adaptive immune response
GO:0002644negative regulation of tolerance induction
GO:0002841negative regulation of T cell mediated immune response to tumor cell
GO:0002903negative regulation of B cell apoptotic process
GO:0006915apoptotic process
GO:0006959humoral immune response
GO:0050728negative regulation of inflammatory response
GO:0050776regulation of immune response
GO:0050777negative regulation of immune response
GO:0050860negative regulation of T cell receptor signaling pathway
GO:0050868negative regulation of T cell activation
GO:0070234positive regulation of T cell apoptotic process
GO:1902482regulatory T cell apoptotic process
Molecular Function (2 terms)
GO IDTerm Name
GO:0004888transmembrane signaling receptor activity
GO:0038023signaling receptor activity
Cellular Component (2 terms)
GO IDTerm Name
GO:0005886plasma membrane
GO:0009897external side of plasma membrane
MSigDB Gene Sets (Selected) Total Gene Set Memberships: 393+ Key gene sets include:
  • REACTOME_CO_INHIBITION_BY_PD_1
  • GOBP_NEGATIVE_REGULATION_OF_T_CELL_ACTIVATION
  • GOBP_NEGATIVE_REGULATION_OF_IMMUNE_RESPONSE
  • GOBP_ADAPTIVE_IMMUNE_RESPONSE
  • KEGG_CELL_ADHESION_MOLECULES_CAMS

Section 8: Protein Interactions & Molecular Networks STRING Protein-Protein Interactions Total STRING Interaction Count: 2,840 TOP 50 Highest-Confidence Interacting Proteins:

UniProt IDGene SymbolScore
Q9BQ51PDCD1LG2 (PD-L2)999
Q9NZQ7CD274 (PD-L1)999
P33681CD80997
P42081CD86996
P16410CTLA4990
Q06124PTPN11 (SHP-2)973
O00182LGALS9968
Q3B8N2-947
Q6DKI2-947
P18627LAG3930
P01732CD8A929
P10747CD80929
Q9Y6W8-929
P01730CD4920
Q5JR59-884
Q7Z6A9-884
Q9ULD2-884
O75144ICOSLG883
P15151PVR883
IntAct Protein Interactions Total IntAct Interactions: 58 Key Direct Interactions:
Partner GeneInteraction TypeConfidence
CD274 (PD-L1)direct interaction0.890
PDCD1LG2 (PD-L2)direct interaction0.850
PTPN11 (SHP-2)physical association0.600
CD80direct interaction0.440
AP2B1direct interaction0.440
AKT1physical association0.470
CEACAM1physical association0.400
PTPN6 (SHP-1)association0.350
SIGNOR Signaling Interactions
Entity AEntity BEffectMechanism
CD274PDCD1up-regulatesbinding
nivolumabPDCD1down-regulates activitybinding
pembrolizumabPDCD1down-regulates activitybinding
PTPN11PDCD1down-regulates activitydephosphorylation
CDK1PDCD1down-regulates quantityphosphorylation
SCF-FBW7PDCD1down-regulates quantitypolyubiquitination
hsa-miR-138-5pPDCD1down-regulates quantitypost-transcriptional
PDCD1AKTdown-regulates activity-
PDCD1ERK1/2down-regulates activity-
PDCD1T cell exhaustionup-regulates-
CellPhoneDB Ligand-Receptor Pairs
Partner APartner BDirectionality
PDCD1LG2PDCD1Ligand-Receptor
CD274PDCD1Ligand-Receptor
Protein Similarity ESM2 Structural/Embedding Similarity Total Similar Proteins: 13 (human proteome)
UniProt IDTop SimilarityAvg Similarity
Q9Y3P80.99700.9548
Q0V8810.99640.9006
Q5SQ640.99640.9082
Q99NH80.99360.9517
Q9NZC20.99360.9435
DIAMOND Sequence Similarity
UniProt IDTop Identity (%)Bitscore
Q0224259.30329.00

Section 9: Transcription Factor Regulatory Data Note: PDCD1 encodes a cell surface receptor, not a transcription factor. It does not have downstream transcriptional targets. Upstream Regulators (TFs that regulate PDCD1) Source: CollecTRI Database

TF GeneTarget GeneConfidence
RBPJPDCD1High
IRF9PDCD1Low
NFATC1PDCD1Low
TBX21PDCD1Low

Section 10: Drug & Pharmacology Data ChEMBL Target Information

ChEMBL IDTarget NameTypeMechanism
CHEMBL3307223Programmed cell death protein 1SINGLE PROTEINPD-1 inhibitor
CHEMBL4523993PD-1/PD-L1 complexPROTEIN COMPLEX-
CHEMBL5482985PD-1/PD-L2PROTEIN COMPLEX-
Approved Anti-PD-1 Antibodies (Phase 4)
ChEMBL IDDrug NameTrade NameTypeATC Code
CHEMBL2108738NivolumabOpdivoAntibodyL01FF01
CHEMBL3137343PembrolizumabKeytrudaAntibodyL01FF02
CHEMBL4297723CemiplimabLibtayoAntibody-
CHEMBL4298124DostarlimabJemperliAntibody-
CHEMBL4297843Toripalimab-Antibody-
Clinical Trials
DrugClinical Trial Count
Nivolumab1,522
Pembrolizumab2,214
Cemiplimab261
Dostarlimab150
Toripalimab479
Key Approved Indications (Phase 4) Nivolumab:
  • Melanoma

  • Non-small cell lung cancer (NSCLC)

  • Renal cell carcinoma

  • Hodgkin lymphoma

  • Head and neck squamous cell carcinoma

  • Urothelial carcinoma

  • Colorectal cancer (MSI-H/dMMR)

  • Hepatocellular carcinoma

  • Esophageal cancer

  • Gastric cancer Pembrolizumab:

  • Melanoma

  • Non-small cell lung cancer

  • Head and neck squamous cell carcinoma

  • Hodgkin lymphoma

  • Primary mediastinal B-cell lymphoma

  • Urothelial carcinoma

  • MSI-H/dMMR cancers

  • Gastric cancer

  • Cervical cancer

  • Hepatocellular carcinoma

  • Merkel cell carcinoma

  • Renal cell carcinoma

  • Endometrial cancer

  • Triple-negative breast cancer PharmGKB

PharmGKB IDSymbolVIP GeneCPIC Guideline
PA33110PDCD1YesNo

Section 11: Expression Profiles Bgee Expression Summary

PropertyValue
Expression PatternUbiquitous
Total Present Calls114
Max Expression Score85.78
TOP 30 Tissues by Expression Score
RankTissueExpression ScoreQuality
1Lymph node85.78gold
2Granulocyte78.92gold
3Spleen75.99gold
4Right atrium auricular region74.95gold
5Vermiform appendix74.67gold
6Blood74.23gold
7Small intestine Peyer's patch66.51gold
8Heart65.48gold
9Small intestine65.43gold
10Heart left ventricle65.13gold
11Transverse colon mucosa65.01gold
12Upper lobe of left lung64.62gold
13Tonsil63.71gold
14Bone marrow63.35gold
15Omental fat pad62.81gold
16Fundus of stomach61.50gold
17Body of stomach61.39gold
18Gall bladder60.40gold
19Adipose tissue60.20gold
20Endocervix60.11gold
21Pituitary gland59.68gold
22Left uterine tube59.15gold
23Stomach58.58gold
24Lung58.49gold
25Subcutaneous adipose tissue58.18gold
26Salivary gland58.08gold
27Adenohypophysis57.91gold
28Left thyroid lobe57.80gold
29Stomach mucosa57.72gold
30Minor salivary gland57.66gold
Key Expression Pattern: Highest expression in immune tissues (lymph node, spleen, blood, bone marrow) consistent with PD-1's role as an immune checkpoint receptor on T cells. Single-Cell Expression Data (SCXA)
Experiment IDDescriptionCells
E-HCAD-29GM-CSF-producing T helper cells study78,686
E-MTAB-8911mTOR mutation in T cells / Chronic GVHD19,075

Section 12: Disease Associations GenCC Disease-Gene Association

DiseaseClassificationMode of InheritanceSource
Systemic lupus erythematosusSupportiveUnknownOrphanet
Orphanet Disease Association
Orphanet IDDisease NameTypeAssociated Genes
536Systemic lupus erythematosusDisease30 genes
GWAS Associations Total GWAS Associations: 3
Study IDDisease/TraitMapped RegionP-value
GCST003044_162Crohn's diseaseGAL3ST2 region1.0×10⁻⁹
GCST90002381_388Eosinophil countNEU4-PDCD15.0×10⁻¹⁰
GCST90002382_194Eosinophil percentageNEU4-PDCD11.0×10⁻¹¹
HPO Phenotype Associations Total HPO Terms: 68 Selected Phenotypes:
HPO IDPhenotype Term
HP:0100651Type I diabetes mellitus
HP:0033726Lupus nephritis
HP:0002958Immune dysregulation
HP:0000821Hypothyroidism
HP:0001878Hemolytic anemia
HP:0001873Thrombocytopenia
HP:0025300Malar rash
HP:0001369Arthritis
HP:0001945Fever
HP:0012378Fatigue
HP:0002716Lymphadenopathy
HP:0001744Splenomegaly
HP:0002240Hepatomegaly
HP:0000093Proteinuria
HP:0001596Alopecia
HP:0003493Antinuclear antibody positivity
HP:0020151Anti-dsDNA antibody positivity
HP:0034062Anti-insulin antibody positivity
HP:0034063Anti-islet antigen-2 antibody positivity
HP:0000488Retinopathy

Summary Statistics

CategoryCount
Gene Identifiers5 databases
Transcripts (Ensembl)7
Transcripts (RefSeq, human)4
UniProt Entries4
Protein Domains/Families6
PDB Structures37
Orthologs (mammals)2
ClinVar Variants48
SpliceAI Predictions688
AlphaMissense Predictions1,846
GO Terms18
Reactome Pathways3
STRING Interactions2,840
IntAct Interactions58
SIGNOR Interactions12
Approved Drugs5+
Clinical Trials4,500+
Expression Tissues114+
HPO Phenotypes68
GWAS Associations3

This reference document was compiled from BioBTree integrated database queries across HGNC, Ensembl, NCBI, UniProt, PDB, AlphaFold, ClinVar, AlphaMissense, SpliceAI, Reactome, GO, STRING, IntAct, SIGNOR, ChEMBL, PharmGKB, Bgee, SCXA, Orphanet, GenCC, HPO, and GWAS Catalog. I’ve compiled a comprehensive cross-database identifier and functional mapping reference for PDCD1 (PD-1). Key highlights: Gene Identifiers: HGNC:8760, ENSG00000188389, Entrez 5133, OMIM 600244, located at chr2:241,849,884-241,858,894 (minus strand) Transcripts: 7 Ensembl transcripts (5 protein-coding), MANE Select is NM_005018, CCDS33428 Protein: Canonical UniProt Q15116 (288 aa, 31.6 kDa) with Ig V-set domain (IPR013106) Structures: 37 PDB structures including complexes with all major anti-PD-1 antibodies (nivolumab, pembrolizumab, cemiplimab, dostarlimab, toripalimab, tislelizumab, camrelizumab) Clinical Variants: 48 ClinVar entries (1 pathogenic, 14 VUS); 688 SpliceAI predictions; 1,846 AlphaMissense predictions Interactions: Key partners are PD-L1 (CD274), PD-L2 (PDCD1LG2), PTPN11 (SHP-2); 2,840 STRING interactions Drug Data: 5+ approved anti-PD-1 antibodies with 4,500+ clinical trials; target for cancer immunotherapy Expression: Highest in lymphoid tissues (lymph node, spleen, blood) - consistent with T cell checkpoint function Disease Links: Systemic lupus erythematosus (GenCC/Orphanet); GWAS links to Crohn’s disease and eosinophil counts