3SQG
Crystal structure of a methyl-coenzyme M reductase purified from Black Sea mats
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D, G (A, D, G) | Methyl coenzyme M reductase, alpha subunit | polymer | 579 | 63862.9 | 3 | UniProt (D1JBK4) | uncultured archaeon | |
| 2 | B, E, H (B, E, H) | Methyl-coenzyme M reductase, beta subunit | polymer | 433 | 46030.0 | 3 | UniProt (D1JBK2) | uncultured archaeon | |
| 3 | C, F, I (C, F, I) | Methyl-coenzyme M reductase, gamma subunit | polymer | 279 | 31577.0 | 3 | UniProt (D1JBK3) | uncultured archaeon | |
| 4 | J, KA, M (A, G) | Coenzyme B | non-polymer | 343.3 | 3 | Chemie (TP7) | |||
| 5 | AA, K, LA (D, A, G) | 1-THIOETHANESULFONIC ACID | non-polymer | 142.2 | 3 | Chemie (COM) | |||
| 6 | JA, L, Z (G, A, D) | (17[2]S)-17[2]-methylthio-coenzyme F43 | non-polymer | 952.7 | 3 | Chemie (M43) | |||
| 7 | BA, GA, IA, MA, N... (D, E, F, G, A...) | PENTAETHYLENE GLYCOL | non-polymer | 238.3 | 6 | Chemie (1PE) | |||
| 8 | CA, DA, NA, O, OA... (D, G, A) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 6 | Chemie (PGE) | |||
| 9 | EA, FA, Q, R, RA... (D, A, H, I, B...) | SULFATE ION | non-polymer | 96.1 | 9 | Chemie (SO4) | |||
| 10 | S (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 11 | PA, T (G, A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 12 | U (B) | HEXAETHYLENE GLYCOL | non-polymer | 282.3 | 1 | Chemie (P6G) | |||
| 13 | HA, X (E, C) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 14 | AB, BB, TA, UA, VA... (H, I, A, B, C...) | water | water | 18.0 | 2005 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 9 |
| Total formula weight | 424409.6 | |
| Non-Polymers* | Number of molecules | 36 |
| Total formula weight | 8092.0 | |
| All* | Total formula weight | 432501.6 |






