4U9G
Crystal structure of an H-NOX protein from S. oneidensis in the Fe(II)CO ligation state, Q154A/Q155A/K156A mutant
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | NO-binding heme-dependent sensor protein | polymer | 187 | 21157.2 | 2 | UniProt (Q8EF49) Pfam (PF07700) In PDB | Shewanella oneidensis | |
2 | A, B | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
3 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
4 | A | CARBON MONOXIDE | non-polymer | 28.0 | 1 | Chemie (CMO) | |||
5 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
6 | water | water | 18.0 | 138 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 181 (UniProt: Q8EF49)
PDB | External Database | Details |
---|---|---|
Ala 154 | Gln 154 | engineered mutation |
Ala 155 | Gln 155 | engineered mutation |
Ala 156 | Lys 156 | engineered mutation |
Glu 182 | - | expression tag |
Asn 183 | - | expression tag |
Leu 184 | - | expression tag |
Tyr 185 | - | expression tag |
Phe 186 | - | expression tag |
Gln 187 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 42314.5 | |
Non-Polymers* | Number of molecules | 6 |
Total formula weight | 1414.8 | |
All* | Total formula weight | 43729.3 |