3ZH0
Functional and structural role of the N-terminal extension in Methanosarcina acetivorans protoglobin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | PROTOGLOBIN | polymer | 176 | 20868.5 | 4 | UniProt (Q8TLY9) Pfam (PF11563) | METHANOSARCINA ACETIVORANS C2A | |
| 2 | E, I, L, R (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 3 | F, J, M, S (A, B, C, D) | FORMIC ACID | non-polymer | 46.0 | 4 | Chemie (FMT) | |||
| 4 | G, H, K, N, O... (A, B, C, D) | GLYCEROL | non-polymer | 92.1 | 8 | Chemie (GOL) | |||
| 5 | U, V, W, X (A, B, C, D) | water | water | 18.0 | 484 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 21 - 195 (UniProt: Q8TLY9)
| PDB | External Database | Details |
|---|---|---|
| Met 20 | - | expression tag |
| Ser 101 | Cys 101 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 83474.1 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 3386.8 | |
| All* | Total formula weight | 86860.9 |
