3H65
The Crystal Structure of C176A Mutated [Fe]-Hydrogenase (Hmd) Holoenzyme in Complex with Methylenetetrahydromethanopterin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | 5,10-methenyltetrahydromethanopterin hydrogenase | polymer | 358 | 38707.0 | 1 | UniProt (Q58194) Pfam (PF22616) Pfam (PF03201) In PDB | Methanocaldococcus jannaschii (Methanococcus jannaschii) | H(2)-forming N(5),N(10)-methylenetetrahydromethanopterin dehydrogenase, N(5),N(10)-methenyltetrahydromethanopterin hydrogenase, H(2)-dependent methylene-H(4)MPT dehydrogenase |
| 2 | A | 5'-O-[(S)-hydroxy{[2-hydroxy-3,5-dimethyl-6-(2-oxoethyl)pyridin-4-yl]oxy}phosphoryl]guanosine | non-polymer | 526.4 | 1 | Chemie (I2C) | |||
| 3 | A | FE (II) ION | non-polymer | 55.8 | 1 | Chemie (FE2) | |||
| 4 | A | CARBON MONOXIDE | non-polymer | 28.0 | 2 | Chemie (CMO) | |||
| 5 | A | (2S,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL | non-polymer | 154.3 | 1 | Chemie (DTV) | |||
| 6 | A | 5,10-DIMETHYLENE TETRAHYDROMETHANOPTERIN | non-polymer | 788.7 | 1 | Chemie (H4M) | |||
| 7 | water | water | 18.0 | 102 | Chemie (HOH) |
Sequence modifications
A: 1 - 358 (UniProt: Q58194)
| PDB | External Database | Details |
|---|---|---|
| Ala 176 | Cys 176 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 38707.0 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1581.2 | |
| All* | Total formula weight | 40288.2 |
