3AR4
Calcium pump crystal structure with bound ATP and TG in the absence of Ca2+
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 | polymer | 995 | 109628.6 | 1 | UniProt (P04191) Pfam (PF00690) Pfam (PF00122) Pfam (PF13246) Pfam (PF00702) Pfam (PF00689) In PDB | Oryctolagus cuniculus (rabbits) | SERCA1, SR Ca(2+)-ATPase 1, Calcium pump 1, Calcium-transporting ATPase sarcoplasmic reticulum type, fast twitch skeletal muscle isoform, Endoplasmic reticulum class 1/2 Ca(2+) ATPase |
| 2 | A | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | A | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 5 | A | OCTANOIC ACID [3S-[3ALPHA, 3ABETA, 4ALPHA, 6BETA, 6ABETA, 7BETA, 8ALPHA(Z), 9BALPHA]]-6-(ACETYLOXY)-2,3,-3A,4,5,6,6A,7,8,9B-DECAHYDRO-3,3A-DIHYDROXY-3,6,9-TRIMETHYL-8-[(2-METHYL-1-OXO-2-BUTENYL)OX Y]-2-OXO-4-(1-OXOBUTOXY)-AZULENO[4,5-B]FURAN-7-YL ESTER | non-polymer | 650.8 | 1 | Chemie (TG1) | |||
| 6 | A | PHOSPHATIDYLETHANOLAMINE | non-polymer | 734.0 | 3 | Chemie (PTY) | |||
| 7 | water | water | 18.0 | 377 | Chemie (HOH) |
Sequence modifications
A: 1 - 994 (UniProt: P04191)
| PDB | External Database | Details |
|---|---|---|
| Ace 1 | - | acetylation |
| Gly 994 | Asp 994 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 109628.6 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 3431.7 | |
| All* | Total formula weight | 113060.3 |
