Voltage-dependent calcium channel gamma-1 subunit (CACNG1) is a 222-residue protein from Oryctolagus cuniculus. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P19518.
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The mean pLDDT of this model is 74.9 (confident overall). pLDDT is AlphaFold's per-residue confidence score from 0 to 100. In MolViewer, choose the B-factor color scheme to color the model by pLDDT, because AlphaFold stores it in the B-factor column.
| pLDDT band | Meaning | Share of residues |
|---|---|---|
| Above 90 | Very high: backbone and side chains are usually accurate | 30% |
| 70 to 90 | Confident: backbone generally right | 28% |
| 50 to 70 | Low: treat with caution | 33% |
| Below 50 | Very low: often disordered regions | 8% |
What pLDDT means and how to read it
Regulatory subunit of the voltage-gated calcium channel that gives rise to L-type calcium currents in skeletal muscle. Regulates channel inactivation kinetics
Component of a calcium channel complex consisting of a pore-forming alpha subunit (CACNA1S) and the ancillary subunits CACNB1 or CACNB2, CACNG1 and CACNA2D1 (PubMed:12409298, PubMed:2158672, PubMed:26680202, PubMed:27580036). The channel complex contains alpha, beta, gamma and delta subunits in a 1:1:1:1 ratio, i.e. it contains either CACNB1 or CACNB2 (PubMed:26680202, PubMed:27580036)
Cell membrane, sarcolemma
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 6JPA | EM | 2.6 Å | E=1-222 |
| 6JP8 | EM | 2.7 Å | E=1-222 |
| 8E56 | EM | 2.8 Å | E=1-222 |
| 8E57 | EM | 2.8 Å | E=1-222 |
| 6JP5 | EM | 2.9 Å | E=1-222 |
| 6JPB | EM | 2.9 Å | E=1-222 |
| 7JPX | EM | 2.9 Å | E=1-222 |
| 7JPK | EM | 3.0 Å | E=1-222 |
| 8E58 | EM | 3.0 Å | E=1-222 |
| 7JPW | EM | 3.2 Å | E=1-222 |
| 7JPL | EM | 3.4 Å | E=1-222 |
| 7JPV | EM | 3.4 Å | E=1-222 |
| 5GJV | EM | 3.6 Å | E=1-222 |
| 5GJW | EM | 3.9 Å | E=1-222 |
| 3JBR | EM | 4.2 Å | E=1-222 |
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