2ARL
The 2.0 angstroms crystal structure of a pocilloporin at pH 3.5: the structural basis for the linkage between color transition and halide binding
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | GFP-like non-fluorescent chromoprotein | polymer | 221 | 24766.1 | 1 | UniProt (P83690) Pfam (PF01353) | Montipora efflorescens | Rtms 5, Non-fluorescent pocilloporin |
| 2 | B, C, D, E (A) | IODIDE ION | non-polymer | 126.9 | 4 | Chemie (IOD) | |||
| 3 | F, G (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 4 | H, I, J, K, L (A) | ACETIC ACID | non-polymer | 60.1 | 5 | Chemie (ACY) | |||
| 5 | M (A) | water | water | 18.0 | 154 | Chemie (HOH) |
Sequence modifications
A: 6 - 225 (UniProt: P83690)
| PDB | External Database | Details |
|---|---|---|
| Gly 5 | - | expression tag |
| Lys 36 | Arg 32 | SEE REMARK 999 |
| Crq 66 | Gln 62 | chromophore |
| Crq 66 | Tyr 63 | chromophore |
| Crq 66 | Gly 64 | chromophore |
| Ser 146 | His 142 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 24766.1 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 878.8 | |
| All* | Total formula weight | 25644.8 |
