Section 1: Gene Identifiers
| Database | Identifier | Notes |
|---|
| HGNC | HGNC:7551 | Approved symbol: MYBPC3 |
| Ensembl Gene | ENSG00000134571 | GRCh38 |
| NCBI Entrez Gene | 4607 | |
| OMIM Gene | 600958 | |
| CCDS | CCDS53621 | Consensus CDS |
Genomic Location (GRCh38/hg38)
| Attribute | Value |
|---|
| Chromosome | 11 |
| Cytogenetic Band | 11p11.2 |
| Start Position | 47,331,406 |
| End Position | 47,352,702 |
| Strand | Minus (-) |
| Gene Length | 21,297 bp |
Section 2: Transcript Identifiers
Ensembl Transcripts (Total: 3)
| Transcript ID | Biotype | Start | End | UTR5 | UTR3 |
|---|
| ENST00000399249 | protein_coding | 47,331,406 | 47,352,702 | 47,352,648-47,352,702 | 47,331,845-47,331,870 |
| ENST00000545968 | protein_coding | 47,331,406 | 47,352,702 | 47,352,648-47,352,702 | 47,331,845-47,331,870 |
| ENST00000544791 | nonsense_mediated_decay | 47,335,578 | 47,352,702 | 47,352,648-47,352,702 | 47,337,391-47,337,497 |
RefSeq Transcripts
| Accession | Type | Status | MANE Select |
|---|
| NM_000256 | mRNA | REVIEWED | ✓ Yes |
| NP_000247 | Protein | REVIEWED | ✓ Yes |
| NM_001044349 | mRNA | VALIDATED | No |
| NP_001037814 | Protein | VALIDATED | No |
CCDS Identifiers
- CCDS53621 (Consensus Coding Sequence)
Exon Information (ENST00000399249 - Canonical Transcript)
Total Exon Count: 34
| Exon ID | Start | End | Strand |
|---|
| ENSE00001304474 | 47,352,623 | 47,352,702 | - |
| ENSE00001098053 | 47,351,239 | 47,351,505 | - |
| ENSE00001130147 | 47,350,502 | 47,350,615 | - |
| ENSE00001098057 | 47,350,014 | 47,350,112 | - |
| ENSE00001130142 | 47,349,774 | 47,349,922 | - |
| ENSE00001130136 | 47,348,424 | 47,348,541 | - |
| ENSE00001098044 | 47,347,857 | 47,347,905 | - |
| ENSE00001098055 | 47,347,651 | 47,347,680 | - |
| ENSE00001098039 | 47,347,426 | 47,347,479 | - |
| ENSE00001098050 | 47,346,627 | 47,346,647 | - |
| ENSE00001098054 | 47,346,207 | 47,346,370 | - |
| ENSE00001098049 | 47,343,492 | 47,343,624 | - |
| ENSE00001799700 | 47,343,260 | 47,343,262 | - |
| ENSE00001098040 | 47,343,021 | 47,343,145 | - |
| ENSE00001098052 | 47,342,830 | 47,342,935 | - |
| ENSE00001098059 | 47,342,578 | 47,342,744 | - |
| ENSE00001098062 | 47,341,991 | 47,342,156 | - |
| ENSE00001130082 | 47,341,138 | 47,341,244 | - |
| ENSE00001098058 | 47,341,003 | 47,341,032 | - |
| ENSE00001130073 | 47,339,651 | 47,339,790 | - |
| ENSE00001130066 | 47,339,324 | 47,339,404 | - |
| ENSE00001098047 | 47,338,520 | 47,338,679 | - |
| ENSE00001130054 | 47,337,690 | 47,337,794 | - |
| ENSE00001130046 | 47,337,391 | 47,337,579 | - |
| ENSE00003694001 | 47,335,877 | 47,336,011 | - |
| ENSE00000921276 | 47,335,042 | 47,335,209 | - |
| ENSE00000921275 | 47,333,922 | 47,334,010 | - |
| ENSE00000921274 | 47,333,557 | 47,333,752 | - |
| ENSE00000921273 | 47,333,194 | 47,333,333 | - |
| ENSE00000921272 | 47,332,814 | 47,332,973 | - |
| ENSE00000921271 | 47,332,566 | 47,332,702 | - |
| ENSE00000921270 | 47,332,072 | 47,332,258 | - |
| ENSE00000921269 | 47,331,845 | 47,331,881 | - |
| ENSE00001129990 | 47,331,406 | 47,331,716 | - |
Section 3: Protein Identifiers
UniProt Accessions
| Accession | Status | Name | Length | Mass |
|---|
| Q14896 | Reviewed (Swiss-Prot) | Myosin-binding protein C, cardiac-type | 1,274 aa | 140,762 Da |
Alternative Name: C-protein, cardiac muscle isoform
RefSeq Protein
| Accession | Status | MANE Select |
|---|
| NP_000247 | REVIEWED | ✓ Yes |
| NP_001037814 | VALIDATED | No |
Protein Domains and Families (Total: 10)
| InterPro ID | Name | Type |
|---|
| IPR003598 | Ig_sub2 | Domain |
| IPR003599 | Ig_sub | Domain |
| IPR003961 | FN3_dom (Fibronectin type III) | Domain |
| IPR007110 | Ig-like_dom | Domain |
| IPR013098 | Ig_I-set | Domain |
| IPR040849 | MyBP-C_THB (Myosin-binding protein C, tri-helix bundle) | Domain |
| IPR013783 | Ig-like_fold | Homologous superfamily |
| IPR036116 | FN3_sf | Homologous superfamily |
| IPR036179 | Ig-like_dom_sf | Homologous superfamily |
| IPR050964 | Striated_Muscle_Regulatory | Family |
Section 4: Structure Identifiers
Experimental Structures (Total: 17 PDB entries)
| PDB ID | Method | Resolution | Title |
|---|
| 2V6H | X-ray | 1.55 Å | Crystal structure of C1 domain |
| 3CX2 | X-ray | 1.30 Å | Crystal structure of C1 domain at 1.3Å |
| 1GXE | NMR | - | Central domain structure |
| 1PD6 | NMR | - | NMR structure of domain C2 |
| 2AVG | NMR | - | NMR structure of cC1 domain |
| 2K1M | NMR | - | 3D NMR structure of domain cC0 |
| 2MQ0 | NMR | - | NMR structure of c3 domain |
| 2MQ3 | NMR | - | c3 domain with R502W mutation (HCM-related) |
| 5K6P | NMR | - | M domain tri-helix bundle and C2 |
| 6CXI | Cryo-EM | 11.0 Å | Cardiac thin filament with C0C1 fragment (mode 1) |
| 6CXJ | Cryo-EM | 11.0 Å | Cardiac thin filament with C0C1 fragment (mode 2) |
| 6G2T | Cryo-EM | 9.0 Å | C1 Ig-domain bound to cardiac thin filament |
| 7LRG | Cryo-EM | 6.1 Å | F-actin decorated with C2 domain |
| 7TIJ | Cryo-EM | 8.0 Å | F-actin with regulatory M-domain |
| 7TIT | Cryo-EM | 8.0 Å | Thin filament with M-domain |
| 7TJ7 | Cryo-EM | 8.0 Å | Thin filament with C1 Ig-domain and M-domain |
| 8G4L | Cryo-EM | 6.4 Å | Human cardiac myosin filament |
Predicted Structures (AlphaFold)
| AlphaFold ID | Global pLDDT | Sequence Length | Fraction Very High Confidence |
|---|
| Q14896 | 79.43 | 9906 | 0.37 (37%) |
Section 5: Cross-Species Orthologs
Key Model Organisms
| Species | Gene Symbol | Ensembl Gene ID | Entrez ID |
|---|
| Mouse (Mus musculus) | Mybpc3 | ENSMUSG00000002100 | 17868 |
| Rat (Rattus norvegicus) | Mybpc3 | ENSRNOG00000012307 | 295929 |
| Zebrafish (Danio rerio) | mybpc3 | ENSDARG00000011615 | 556489 |
| Drosophila melanogaster | - | No ortholog | - |
| C. elegans | - | No ortholog | - |
| S. cerevisiae | - | No ortholog | - |
Human Paralogs (Total: 11)
| Gene | Ensembl ID | Description |
|---|
| MYBPC1 | ENSG00000196091 | Myosin binding protein C1 (slow skeletal) |
| MYBPC2 | ENSG00000086967 | Myosin binding protein C2 (fast skeletal) |
| MYBPH | ENSG00000133055 | Myosin binding protein H |
| MYBPHL | ENSG00000221986 | Myosin binding protein H-like |
| MYOM1 | ENSG00000101605 | Myomesin 1 |
| MYOM2 | ENSG00000036448 | Myomesin 2 |
| MYOM3 | ENSG00000142661 | Myomesin 3 |
| OBSL1 | ENSG00000124006 | Obscurin-like 1 |
| FNDC3A | ENSG00000102531 | Fibronectin type III domain containing 3A |
| FNDC3B | ENSG00000075420 | Fibronectin type III domain containing 3B |
| IGSF22 | ENSG00000179057 | Immunoglobulin superfamily member 22 |
Section 6: Clinical Variants & AI Predictions
Clinical Variant Summary (ClinVar)
Total Variants: 4,434
| Classification | Count (estimated) |
|---|
| Pathogenic | >100 |
| Likely Pathogenic | >100 |
| Uncertain Significance (VUS) | ~3,500+ |
| Likely Benign | >200 |
| Benign | >100 |
| Conflicting Classifications | >100 |
TOP 50 Pathogenic/Likely Pathogenic Variants
| ClinVar ID | HGVS Notation | Type | Classification |
|---|
| 1069890 | c.1730G>A (p.Trp577Ter) | SNV | Pathogenic |
| 1069891 | c.1546G>T (p.Glu516Ter) | SNV | Pathogenic |
| 1069893 | c.1269_1282del (p.Ser424fs) | Deletion | Pathogenic |
| 1074339 | c.2164G>T (p.Glu722Ter) | SNV | Pathogenic |
| 1076719 | c.1831G>T (p.Glu611Ter) | SNV | Pathogenic |
| 164042 | g.47333236del | Deletion | Pathogenic |
| 164047 | c.3166dup (p.Ala1056fs) | Duplication | Pathogenic |
| 164048 | c.3129C>A (p.Tyr1043Ter) | SNV | Pathogenic |
| 164055 | c.2920C>T (p.Gln974Ter) | SNV | Pathogenic |
| 164059 | c.2875_2876del (p.Thr959fs) | Deletion | Pathogenic |
| 164071 | c.2556del (p.Ile852fs) | Deletion | Pathogenic |
| 164107 | c.1624+2T>C | SNV | Pathogenic |
| 164118 | c.1357_1358del (p.Pro453fs) | Deletion | Pathogenic |
| 164134 | c.993dup (p.Glu332Ter) | Duplication | Pathogenic |
| 164135 | c.979C>T (p.Gln327Ter) | SNV | Pathogenic |
| 164136 | c.966G>A (p.Trp322Ter) | SNV | Pathogenic |
| 1195305 | c.1900del (p.Val634fs) | Deletion | Pathogenic |
| 1333262 | c.3313_3314insGG (p.Ala1105fs) | Insertion | Pathogenic |
| 1333510 | c.1609G>T (p.Glu537Ter) | SNV | Pathogenic |
| 1362183 | c.2761C>T (p.Gln921Ter) | SNV | Pathogenic |
| 1365234 | c.965G>A (p.Trp322Ter) | SNV | Pathogenic |
| 1424922 | c.178G>T (p.Glu60Ter) | SNV | Pathogenic |
| 1446713 | c.3702_3703del (p.Leu1236fs) | Deletion | Pathogenic |
| 1452999 | c.3773T>A (p.Leu1258Ter) | SNV | Pathogenic |
| 1457802 | c.3328del (p.Met1110fs) | Deletion | Pathogenic |
| 1459506 | c.2221dup (p.Ala741fs) | Duplication | Pathogenic |
| 1460339 | c.787G>T (p.Gly263Ter) | SNV | Pathogenic |
| 1067323 | c.1624+1G>T | SNV | Pathogenic/Likely pathogenic |
| 1070911 | c.565del (p.Val189fs) | Deletion | Pathogenic/Likely pathogenic |
| 1729315 | c.3242dup (p.Asn1081fs) | Duplication | Pathogenic |
| 1769560 | c.1308C>A (p.Cys436Ter) | SNV | Pathogenic |
| 1027654 | c.2994+1G>A | SNV | Likely pathogenic |
| 1013320 | c.653_654insCTGGTGACCC (p.Lys218delinsAsnTrpTer) | Insertion | Likely pathogenic |
| 1066750 | c.1449_1457+4del | Deletion | Likely pathogenic |
| 1067412 | NC_000011.9:g.(?47362544)(47368616_?)del | Deletion | Likely pathogenic |
| 1067413 | NC_000011.9:g.(?_47358756)_47367811del | Deletion | Likely pathogenic |
| 1068244 | c.3191-1G>C | SNV | Likely pathogenic |
| 1068427 | c.292+1del | Deletion | Likely pathogenic |
AI-Based Variant Predictions
SpliceAI Predictions (Total: 5,457)
Variants with High Splice-Altering Scores (≥0.5): >500
| Variant | Effect | Score |
|---|
| 11:47331714:TACCT:T | acceptor_loss | 0.98 |
| 11:47331715:ACCT:A | acceptor_loss | 0.98 |
| 11:47331717:CTGCA:C | acceptor_loss | 0.98 |
| 11:47331718:T:G | acceptor_loss | 0.98 |
| 11:47332067:CTCA:C | donor_loss | 0.97 |
| 11:47332068:TCA:T | donor_loss | 0.97 |
| 11:47332069:CACCT:C | donor_loss | 0.97 |
| 11:47332092:TCA:T | donor_gain | 0.97 |
| 11:47332093:CAC:C | donor_gain | 0.97 |
| 11:47332094:ACA:A | donor_gain | 0.97 |
| 11:47332095:CAC:C | donor_gain | 0.97 |
| 11:47331719:G:C | acceptor_loss | 0.96 |
| 11:47332095:CA:C | donor_gain | 0.96 |
| 11:47331880:CA:C | acceptor_gain | 0.96 |
| 11:47331882:C:CC | acceptor_gain | 0.99 |
AlphaMissense Predictions (Total: 8,320)
Likely Pathogenic Variants (am_class = "likely_pathogenic"): >3,000
| Variant | Protein Change | AM Score | Classification |
|---|
| 11:47332115:G:C | N1257K | 0.994 | likely_pathogenic |
| 11:47332115:G:T | N1257K | 0.994 | likely_pathogenic |
| 11:47332127:G:C | C1253W | 0.994 | likely_pathogenic |
| 11:47332129:A:G | C1253R | 0.994 | likely_pathogenic |
| 11:47332083:A:G | L1268P | 0.991 | likely_pathogenic |
| 11:47332146:T:A | D1247V | 0.991 | likely_pathogenic |
| 11:47332167:A:G | I1240T | 0.990 | likely_pathogenic |
| 11:47332135:A:T | Y1251N | 0.990 | likely_pathogenic |
| 11:47332167:A:C | I1240S | 0.988 | likely_pathogenic |
| 11:47332134:T:G | Y1251S | 0.987 | likely_pathogenic |
| 11:47332146:T:G | D1247A | 0.983 | likely_pathogenic |
| 11:47332128:C:T | C1253Y | 0.983 | likely_pathogenic |
| 11:47332123:C:G | A1255P | 0.980 | likely_pathogenic |
| 11:47332167:A:T | I1240N | 0.980 | likely_pathogenic |
| 11:47332116:T:A | N1257I | 0.976 | likely_pathogenic |
| 11:47332088:G:C | C1266W | 0.976 | likely_pathogenic |
| 11:47332147:C:A | D1247Y | 0.974 | likely_pathogenic |
| 11:47332146:T:C | D1247G | 0.972 | likely_pathogenic |
| 11:47332135:A:C | Y1251D | 0.997 | likely_pathogenic |
| 11:47332077:A:T | V1270E | 0.966 | likely_pathogenic |
Section 7: Biological Pathways & Gene Ontology
Reactome Pathways (Total: 1)
| Pathway ID | Name | Disease Pathway |
|---|
| R-HSA-390522 | Striated Muscle Contraction | No |
Gene Ontology Annotations (Total: 23)
Biological Process (9 terms)
| GO ID | Term |
|---|
| GO:0003007 | heart morphogenesis |
| GO:0006942 | regulation of striated muscle contraction |
| GO:0007155 | cell adhesion |
| GO:0032971 | regulation of muscle filament sliding |
| GO:0045214 | sarcomere organization |
| GO:0055010 | ventricular cardiac muscle tissue morphogenesis |
| GO:0060048 | cardiac muscle contraction |
| GO:0086004 | regulation of cardiac muscle cell contraction |
Molecular Function (9 terms)
| GO ID | Term |
|---|
| GO:0001671 | ATPase activator activity |
| GO:0003779 | actin binding |
| GO:0008307 | structural constituent of muscle |
| GO:0017022 | myosin binding |
| GO:0031432 | titin binding |
| GO:0032036 | myosin heavy chain binding |
| GO:0042802 | identical protein binding |
| GO:0046872 | metal ion binding |
Cellular Component (8 terms)
| GO ID | Term |
|---|
| GO:0005829 | cytosol |
| GO:0005863 | striated muscle myosin thick filament |
| GO:0014705 | C zone |
| GO:0030017 | sarcomere |
| GO:0031430 | M band |
| GO:0031672 | A band |
| GO:0097512 | cardiac myofibril |
MSigDB Gene Sets (Total: 223)
Key gene sets include:
- GOBP_CARDIAC_MUSCLE_CONTRACTION
- GOBP_SARCOMERE_ORGANIZATION
- GOBP_STRIATED_MUSCLE_CONTRACTION
- REACTOME_STRIATED_MUSCLE_CONTRACTION
- HP_HYPERTROPHIC_CARDIOMYOPATHY
- HP_DILATED_CARDIOMYOPATHY
Section 8: Protein Interactions & Molecular Networks
STRING Protein-Protein Interactions (Total: 1,760)
TOP 50 Highest-Confidence Interacting Proteins:
| UniProt | Gene | Score |
|---|
| Q8WZ42 | TTN (Titin) | 987 |
| P12883 | MYH7 (Myosin heavy chain 7) | 976 |
| P45379 | TNNT2 (Troponin T2) | 972 |
| P19429 | TNNI3 (Troponin I3) | 966 |
| P50461 | CSRP3 (Cysteine rich protein 3) | 934 |
| P09493 | TPM1 (Tropomyosin 1) | 930 |
| P08590 | MYL3 (Myosin light chain 3) | 923 |
| P04270 | S100B | 919 |
| P10916 | MYL2 (Myosin light chain 2) | 892 |
| P13533 | MYH6 (Myosin heavy chain 6) | 886 |
| Q9UGJ0 | CAPN3 (Calpain 3) | 867 |
| O15273 | TRIM63 (Tripartite motif 63) | 862 |
| P02593 | CALM1 (Calmodulin 1) | 860 |
| P27482 | CALML3 | 851 |
| Q9NZT1 | CALML5 | 851 |
| Q8TD86 | MYL4 (Myosin light chain 4) | 848 |
| Q96GE6 | MACS | 848 |
| Q5T481 | MYOZ3 | 825 |
| P20929 | NEB (Nebulin) | 806 |
| Q14524 | SCN5A (Sodium channel) | 792 |
BioGRID Interactions (Total: 14)
| Interaction ID | Interactor | Method |
|---|
| 683024 | TRIM63 | Two-hybrid |
| 683022 | MYBPC3 | Affinity Capture-Western |
| 2934663 | MYBPC3 | Affinity Capture-MS |
| 3800621 | MYBPC3 | Affinity Capture-MS |
| 3801075 | MYBPC3 | Affinity Capture-MS |
| 275551 | MYBPC3 | Far Western |
SIGNOR Signaling Interactions (Total: 17)
| Regulator | Target | Effect | Mechanism |
|---|
| PRKACA | MYBPC3 | up-regulates | phosphorylation |
| PRKACB | MYBPC3 | up-regulates | phosphorylation |
| PRKACG | MYBPC3 | up-regulates | phosphorylation |
| PRKCD | MYBPC3 | up-regulates | phosphorylation |
| PKA | MYBPC3 | up-regulates | phosphorylation |
| PDE4DIP | MYBPC3 | up-regulates | binding |
Protein Similarity
ESM2 Structural/Embedding Similarity (Total: 26)
| UniProt | Top Similarity | Avg Similarity |
|---|
| O70468 (Mouse Mybpc3) | 0.9996 | 0.9663 |
| P56741 (Rat Mybpc3) | 0.9996 | 0.9668 |
| Q14324 (MYBPC2) | 0.9992 | 0.9543 |
| A2RUH7 | 0.9980 | 0.9701 |
| P52179 | 0.9979 | 0.9648 |
| Q62234 | 0.9979 | 0.9667 |
| Q5VTT5 | 0.9981 | 0.9707 |
DIAMOND Sequence Similarity (Total: 46)
| UniProt | Top Identity | Top Bitscore |
|---|
| Q3UH53 | 89.3% | 3901 |
| Q7Z5N4 | 89.3% | 3899 |
| Q8AV58 | 81.3% | 3495 |
| P52179 | 84.1% | 2801 |
| Q62234 (Mouse Mybpc3) | 84.3% | 2809 |
| E9PZ19 | 99.5% | 2548 |
| Q5VTT5 (MYBPC1) | 83.1% | 2448 |
| Q9UPX0 (MYBPC2) | 92.9% | 2442 |
Section 9: Transcription Factor Regulatory Data
MYBPC3 is NOT a transcription factor.
Upstream Regulators (TFs that regulate MYBPC3)
Based on MSigDB TF binding site predictions:
- GATA1 (binding motifs in promoter)
- GATA6 (binding motifs in promoter)
- MAZ (binding motifs in promoter)
- TFCP2 (CP2) (binding motifs in promoter)
- HMGA1 (ChIP-seq evidence)
No CollecTRI regulatory data available for this gene.
Section 10: Drug & Pharmacology Data
DrugBank Entries (Total: 2)
| DrugBank ID | Drug Name | Description |
|---|
| DB11816 | Omecamtiv mecarbil | Cardiac myosin activator |
| DB18490 | Aficamten | Cardiac myosin inhibitor |
PharmGKB
| PharmGKB ID | VIP Gene | CPIC Guidelines |
|---|
| PA31351 | Yes | No |
ChEMBL Drug Targets
No direct ChEMBL target entry for MYBPC3.
Section 11: Expression Profiles
Bgee Expression Data
| Metric | Value |
|---|
| Expression Breadth | Ubiquitous |
| Max Expression Score | 99.90 |
| Average Expression Score | 57.03 |
| Total Conditions with Expression | 149 present, 139 absent |
| Gold Quality Annotations | 263 |
TOP 30 Tissues by Expression (Bgee)
| Rank | Tissue (UBERON ID) | Expression | Score | Quality |
|---|
| 1 | Apex of heart (UBERON:0002098) | present | 99.90 | gold |
| 2 | Right atrium auricular region (UBERON:0006631) | present | 99.65 | gold |
| 3 | Cardiac atrium (UBERON:0002081) | present | 99.63 | gold |
| 4 | Left ventricle myocardium (UBERON:0006566) | present | 99.45 | gold |
| 5 | Heart left ventricle (UBERON:0002084) | present | 99.34 | gold |
| 6 | Cardiac ventricle (UBERON:0002082) | present | 99.34 | gold |
| 7 | Heart right ventricle (UBERON:0002080) | present | 99.29 | gold |
| 8 | Cardiac muscle of right atrium (UBERON:0003379) | present | 99.25 | gold |
| 9 | Myocardium (UBERON:0002349) | present | 99.04 | gold |
| 10 | Vena cava (UBERON:0004087) | present | 96.51 | gold |
| 11 | Heart (UBERON:0000948) | present | 94.51 | gold |
| 12 | Blood (UBERON:0000178) | present | 75.95 | gold |
| 13 | Pericardium (UBERON:0002407) | present | 75.50 | silver |
Tissue-Specific Pattern: MYBPC3 shows highly cardiac-specific expression, with the highest expression scores in heart tissues (apex, atria, ventricles, myocardium). Expression is notably absent in
skeletal muscles (triceps, biceps, gluteal muscles, quadriceps).
Single-Cell Expression Data
| Dataset ID | Description | Cell Count |
|---|
| E-MTAB-11268 | The atlas of the human hypertrophied heart reveals impaired cell communication | 64,898 cells |
Section 12: Disease Associations
Mendelian/Monogenic Diseases (GenCC)
| Disease | Disease ID | Classification | Inheritance | Evidence |
|---|
| Hypertrophic cardiomyopathy 4 | OMIM:115197 | Definitive | AD | Ambry, Invitae, G2P |
| Hypertrophic cardiomyopathy 4 | OMIM:115197 | Strong | AR | Ambry |
| Left ventricular noncompaction 10 | OMIM:615396 | Definitive | AD | Ambry |
| Left ventricular noncompaction 10 | OMIM:615396 | Moderate | AD | Ambry |
| Left ventricular noncompaction 10 | OMIM:615396 | Limited | AR | Ambry |
| Atrial fibrillation | MONDO:0004981 | Limited | AD | Ambry |
| Familial isolated dilated cardiomyopathy | ORPHANET:154 | Supportive | AD | Orphanet |
Orphanet Disease Associations (Total: 2)
| Orphanet ID | Disease | Type | Gene Count |
|---|
| 154 | Familial isolated dilated cardiomyopathy | Disease | 53 genes |
| 54260 | Left ventricular noncompaction | Disease | 15 genes |
HPO Phenotype Associations (Total: 48)
| HPO ID | Phenotype |
|---|
| HP:0001639 | Hypertrophic cardiomyopathy |
| HP:0001644 | Dilated cardiomyopathy |
| HP:0001645 | Sudden cardiac death |
| HP:0030682 | Left ventricular noncompaction |
| HP:0001714 | Ventricular hypertrophy |
| HP:0005144 | Ventricular septal hypertrophy |
| HP:0001663 | Ventricular fibrillation |
| HP:0001695 | Cardiac arrest |
| HP:0001635 | Congestive heart failure |
| HP:0001640 | Cardiomegaly |
| HP:0011675 | Arrhythmia |
| HP:0001678 | Atrioventricular block |
| HP:0001279 | Syncope |
| HP:0002875 | Exertional dyspnea |
| HP:0002094 | Dyspnea |
| HP:0012378 | Fatigue |
| HP:0100749 | Chest pain |
| HP:0001698 | Pericardial effusion |
| HP:0012664 | Reduced left ventricular ejection fraction |
| HP:0025169 | Left ventricular systolic dysfunction |
| HP:0000006 | Autosomal dominant inheritance |
| HP:0000007 | Autosomal recessive inheritance |
| HP:0003581 | Adult onset |
| HP:0003584 | Late onset |
| HP:0003621 | Juvenile onset |
| HP:0003623 | Neonatal onset |
| HP:0011462 | Young adult onset |
GWAS Associations (Total: 64)
| Study ID | Trait | Gene | P-value |
|---|
| GCST010242_113 | HDL cholesterol levels | MYBPC3 | 1.0e-106 |
| GCST008084_149 | HDL cholesterol x alcohol (drinkers vs non-drinkers) | MYBPC3 | 5.0e-69 |
| GCST010241_45 | Apolipoprotein A1 levels | MYBPC3 | 3.0e-63 |
| GCST008084_66 | HDL cholesterol x alcohol interaction | MYBPC3 | 1.0e-48 |
| GCST008084_83 | HDL cholesterol x alcohol interaction | MYBPC3 | 6.0e-31 |
| GCST008075_214 | HDL cholesterol x alcohol interaction (2df) | MYBPC3 | 4.0e-29 |
| GCST002315_3 | Thrombin generation potential phenotypes | MYBPC3 | 5.0e-22 |
| GCST008085_105 | HDL cholesterol in current drinkers | MYBPC3 | 4.0e-22 |
| GCST006394_89 | Intraocular pressure | MYBPC3 | 1.0e-18 |
| GCST007269_195 | Pulse pressure | MYBPC3 | 4.0e-14 |
| GCST008757_31 | Alcohol consumption | MYBPC3 | 5.0e-14 |
| GCST009597_128 | Multiple sclerosis | MYBPC3 | 1.0e-13 |
| GCST007930_47 | Medication use (renin-angiotensin agents) | MYBPC3 | 5.0e-13 |
| GCST010796_* | Electrocardiogram morphology (multiple timepoints) | MYBPC3 | 1.0e-08 to 1.0e-12 |
SUMMARY STATISTICS
| Category | Count |
|---|
| Gene Identifiers | 5 major databases |
| Transcripts (Ensembl) | 3 |
| Transcripts (RefSeq) | 2 (human mRNA) |
| Exons (canonical) | 34 |
| UniProt Entries | 1 (reviewed) |
| Protein Domains | 10 |
| PDB Structures | 17 |
| Orthologs | 3 model organisms |
| Paralogs | 11 |
| ClinVar Variants | 4,434 |
| AlphaMissense Predictions | 8,320 |
| SpliceAI Predictions | 5,457 |
| GO Annotations | 23 |
| Reactome Pathways | 1 |
| STRING Interactions | 1,760 |
| BioGRID Interactions | 14 |
| GWAS Associations | 64 |
| HPO Phenotypes | 48 |
| Disease Associations | 7+ |
| Drug Associations | 2 |
Generated using BioBTree cross-database mapping. Data current as of database versions indexed.
The comprehensive cross-database identifier and functional mapping for MYBPC3 is complete. Key highlights:
- Clinical significance: MYBPC3 is a major disease gene with definitive evidence for hypertrophic cardiomyopathy (HCM-4) and left ventricular noncompaction (LVNC-10)
- Variant burden: Over 4,400 ClinVar variants, with >100 classified as pathogenic (mostly truncating variants)
- AI predictions: 8,320 AlphaMissense and 5,457 SpliceAI predictions available for variant interpretation
- Expression: Highly cardiac-specific with maximal expression in heart apex, atria, and ventricles (score 99.9)
- Structure: 17 experimental PDB structures covering multiple domains (C0-C3, M-domain) plus AlphaFold model
- Drug targets: Associated with omecamtiv mecarbil (myosin activator) and aficamten (myosin inhibitor)
- Protein function: Key sarcomeric protein regulating cardiac muscle contraction through myosin/actin/titin interactions, phosphorylated by PKA