3W5B
Crystal structure of the recombinant SERCA1a (calcium pump of fast twitch skeletal muscle) in the E1.Mg2+ state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | SERCA1a | polymer | 1000 | 110174.2 | 1 | UniProt (B6CAM1) Pfam (PF00690) Pfam (PF00122) Pfam (PF13246) Pfam (PF00702) Pfam (PF00689) UniProt (by SIFTS) (P04191) | Oryctolagus cuniculus | Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 |
| 2 | B (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 3 | C, D (A) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | E (A) | 2',3'-O-[(1r)-2,4,6-trinitrocyclohexa-2,5-diene-1,1-diyl]adenosine 5'-(dihydrogen phosphate) | non-polymer | 558.3 | 1 | Chemie (TM1) | |||
| 5 | F, G, H, I (A) | PHOSPHATIDYLETHANOLAMINE | non-polymer | 734.0 | 4 | Chemie (PTY) | |||
| 6 | J (A) | water | water | 18.0 | 7 | Chemie (HOH) |
Sequence modifications
A: 1 - 994 (UniProt: B6CAM1)
| PDB | External Database | Details |
|---|---|---|
| Ser -5 | - | expression tag |
| Asp -4 | - | expression tag |
| Asn -3 | - | expression tag |
| Ala -2 | - | expression tag |
| Ile -1 | - | expression tag |
| Ala 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 110174.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 3566.1 | |
| All* | Total formula weight | 113740.2 |






