5SYO
Crystal structure of a chimeric acetylcholine binding protein from Aplysia californica (Ac-AChBP) containing loop C from the human alpha 3 nicotinic acetylcholine receptor in complex with Cytisine
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 | Soluble acetylcholine receptor, Neuronal acetylcholine receptor subunit alpha-3 chimera | polymer | 230 | 26315.3 | 5 | UniProt (Q8WSF8) UniProt (P32297) Pfam (PF02931) In PDB | Aplysia californica Homo sapiens (California sea hare) | |
2 | C, E | (1R,5S)-1,2,3,4,5,6-HEXAHYDRO-8H-1,5-METHANOPYRIDO[1,2-A][1,5]DIAZOCIN-8-ONE | non-polymer | 190.2 | 2 | Chemie (C5E) | |||
3 | water | water | 18.0 | 309 | Chemie (HOH) |
Sequence modifications
A, B, C, D, E: 1 - 181 (UniProt: Q8WSF8)
A, B, C, D, E: 182 - 197 (UniProt: P32297)
A, B, C, D, E: 198 - 219 (UniProt: Q8WSF8)
PDB | External Database | Details |
---|---|---|
Asp -8 | - | expression tag |
Tyr -7 | - | expression tag |
Lys -6 | - | expression tag |
Asp -5 | - | expression tag |
Asp -4 | - | expression tag |
Asp -3 | - | expression tag |
Asp -2 | - | expression tag |
Lys -1 | - | expression tag |
Leu 0 | - | expression tag |
Trp 55 | Tyr 72 | engineered mutation |
A, B, C, D, E: 198 - 219 (UniProt: Q8WSF8)
PDB | External Database | Details |
---|---|---|
Val 199 | Asn 216 | engineered mutation |
Ser 220 | - | expression tag |
Arg 221 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 5 |
Total formula weight | 131576.4 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 380.5 | |
All* | Total formula weight | 131956.9 |