6HAE
Crystal structure of [Fe]-hydrogenase (Hmd) from Methanococcus aeolicus in complex with FeGP cofactor and methenyl-tetrahydromethanopterin (close form B)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B (A, K) | 5,10-methenyltetrahydromethanopterin hydrogenase | polymer | 342 | 36784.6 | 2 | UniProt (A6UVT1) Pfam (PF22616) Pfam (PF03201) | Methanococcus aeolicus (strain ATCC BAA-1280 / DSM 17508 / OCM 812 / Nankai-3) | H(2)-dependent methylene-H(4)MPT dehydrogenase,H(2)-forming N(5),N(10)-methylenetetrahydromethanopterin dehydrogenase,N(5),N(10)-methenyltetrahydromethanopterin hydrogenase |
2 | C, R (A, K) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
3 | D, S (A, K) | 1-{4-[(6S,6aR,7R)-3-amino-6,7-dimethyl-1-oxo-1,2,5,6,6a,7-hexahydro-8H-imidazo[1,5-f]pteridin-10-ium-8-yl]phenyl}-1-deoxy-5-O-{5-O-[(S)-{[(1S)-1,3-dicarboxypropyl]oxy}(hydroxy)phosphoryl]-alpha-D-ribofuranosyl}-D-ribitol | non-polymer | 787.7 | 2 | Chemie (E4M) | |||
4 | E, T (A, K) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
5 | AA, F, G, H, I... (K, A) | THIOCYANATE ION | non-polymer | 58.1 | 15 | Chemie (SCN) | |||
6 | BA, N (K, A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
7 | CA, DA, O, P (K, A) | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
8 | FA, Q (K, A) | iron-guanylyl pyridinol cofactor | non-polymer | 686.3 | 2 | Chemie (FE9) | |||
9 | EA (K) | NONAETHYLENE GLYCOL | non-polymer | 414.5 | 1 | Chemie (2PE) | |||
10 | GA, HA (A, K) | water | water | 18.0 | 592 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 73569.1 | |
Non-Polymers* | Number of molecules | 30 |
Total formula weight | 4691.2 | |
All* | Total formula weight | 78260.3 |