4KNF
Crystal structure of a blue-light absorbing proteorhodopsin double-mutant D97N/Q105L from HOT75
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C, D, E | Blue-light absorbing proteorhodopsin | polymer | 261 | 28104.9 | 5 | UniProt (Q9AFF7) Pfam (PF01036) In PDB | gamma proteobacterium 'Hot 75m4' | BPR |
2 | A, B, C, D, E | RETINAL | non-polymer | 284.4 | 5 | Chemie (RET) | |||
3 | water | water | 18.0 | 11 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E: 0 - 250 (UniProt: Q9AFF7)
PDB | External Database | Details |
---|---|---|
Asn 97 | Asp 98 | engineered mutation |
Leu 105 | Gln 106 | engineered mutation |
Lys 251 | - | expression tag |
Leu 252 | - | expression tag |
Leu 253 | - | expression tag |
Glu 254 | - | expression tag |
His 255 | - | expression tag |
His 256 | - | expression tag |
His 257 | - | expression tag |
His 258 | - | expression tag |
His 259 | - | expression tag |
His 260 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 5 |
Total formula weight | 140524.7 | |
Non-Polymers* | Number of molecules | 5 |
Total formula weight | 1422.2 | |
All* | Total formula weight | 141946.9 |