2DPK
The Crystal Structure of the Primary Ca2+ Sensor of the Na+/Ca2+ Exchanger
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Sodium/calcium exchanger 1 | polymer | 152 | 16692.3 | 1 | UniProt (P23685) Pfam (PF03160) | Canis lupus familiaris (dog) | CBD1, Na+/Ca2+ exchange protein 1 |
| 2 | B, C, D, E (A) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 3 | F (A) | GUANIDINE | non-polymer | 59.1 | 1 | Chemie (GAI) | |||
| 4 | G (A) | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) | |||
| 5 | H (A) | water | water | 18.0 | 17 | Chemie (HOH) |
Sequence modifications
A: 370 - 509 (UniProt: P23685)
| PDB | External Database | Details |
|---|---|---|
| Met 358 | - | expression tag |
| Arg 359 | - | expression tag |
| Gly 360 | - | expression tag |
| Ser 361 | - | expression tag |
| His 362 | - | expression tag |
| His 363 | - | expression tag |
| His 364 | - | expression tag |
| His 365 | - | expression tag |
| His 366 | - | expression tag |
| His 367 | - | expression tag |
| Gly 368 | - | expression tag |
| Ile 369 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16692.3 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 457.7 | |
| All* | Total formula weight | 17149.9 |
