3DQB
Crystal structure of the active G-protein-coupled receptor opsin in complex with a C-terminal peptide derived from the Galpha subunit of transducin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Rhodopsin | polymer | 348 | 39031.5 | 1 | UniProt (P02699) Pfam (PF10413) Pfam (PF00001) | Bos taurus (Bovine) | |
| 2 | B (B) | 11meric peptide form Guanine nucleotide-binding protein G(t) subunit alpha-1 | polymer | 11 | 1265.5 | 1 | UniProt (P04695) | Transducin alpha-1 chain | |
| 3 | C (C) | alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 748.7 | 1 | In PDB GlyTouCan (G81315DD) | |||
| 4 | D (D) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 1 | In PDB GlyTouCan (G42666HT) | |||
| 5 | E, F, G (A) | octyl beta-D-glucopyranoside | non-polymer | 292.4 | 3 | Chemie (BOG) | |||
| 6 | H, I (A) | PALMITIC ACID | non-polymer | 256.4 | 2 | Chemie (PLM) | |||
| 7 | J (A) | water | water | 18.0 | 3 | Chemie (HOH) |
Sequence modifications
B: 340 - 350 (UniProt: P04695)
| PDB | External Database | Details |
|---|---|---|
| Leu 341 | Lys 341 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 40297.0 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1173.1 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 1390.0 | |
| All* | Total formula weight | 42860.0 |
