4EXZ
Crystal Structure of the Q108K:K40L Mutant of Cellular Retinol Binding Protein Type II in Complex with All-trans-Retinal at 1.7 Angstrom Resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Retinol-binding protein 2 | polymer | 133 | 15581.5 | 2 | UniProt (P50120) Pfam (PF00061) In PDB | Homo sapiens (human) | Cellular retinol-binding protein II, CRBP-II |
| 2 | A, B | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 3 | A, B | RETINAL | non-polymer | 284.4 | 2 | Chemie (RET) | |||
| 4 | water | water | 18.0 | 164 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 133 (UniProt: P50120)
| PDB | External Database | Details |
|---|---|---|
| Leu 40 | Lys 41 | engineered mutation |
| Lys 108 | Gln 109 | engineered mutation |
| Asn 113 | Asp 114 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 31163.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 687.0 | |
| All* | Total formula weight | 31850.0 |
