4HTR
N149W variant of SiRHP bound to sulfite
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Sulfite reductase [NADPH] hemoprotein beta-component | polymer | 507 | 57020.1 | 1 | UniProt (P17846) Pfam (PF03460) Pfam (PF01077) | Escherichia coli | SiR-HP, SiRHP |
| 2 | B (A) | SULFITE ION | non-polymer | 80.1 | 1 | Chemie (SO3) | |||
| 3 | C (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | D (A) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 5 | E (A) | SIROHEME | non-polymer | 916.7 | 1 | Chemie (SRM) | |||
| 6 | F (A) | water | water | 18.0 | 538 | Chemie (HOH) |
Sequence modifications
A: 64 - 570 (UniProt: P17846)
| PDB | External Database | Details |
|---|---|---|
| Trp 149 | Asn 149 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 57020.1 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1371.4 | |
| All* | Total formula weight | 58391.5 |
