4B3W
Crystal structure of human cytoglobin H(E7)Q 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 (A, B) | CYTOGLOBIN | polymer | 190 | 21391.5 | 2 | UniProt (Q8WWM9) Pfam (PF00042) | HOMO SAPIENS (HUMAN) | HISTOGLOBIN, HGB, STELLATE CELL ACTIVATION-ASSOCIATED PROTEIN |
2 | C, F (A, B) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 2 | Chemie (HEM) | |||
3 | D, G (A, B) | CYANIDE ION | non-polymer | 26.0 | 2 | Chemie (CYN) | |||
4 | E, H (A, B) | HEXACYANOFERRATE(3-) | non-polymer | 211.9 | 2 | Chemie (FC6) | |||
5 | I (B) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
6 | J, K (A, B) | water | water | 18.0 | 22 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 190 (UniProt: Q8WWM9)
PDB | External Database | Details |
---|---|---|
Ser 38 | Cys 38 | engineered mutation |
Gln 81 | His 81 | engineered mutation |
Ser 83 | Cys 83 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 42782.9 | |
Non-Polymers* | Number of molecules | 7 |
Total formula weight | 1768.0 | |
All* | Total formula weight | 44550.9 |