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4BQT

Aplysia californica AChBP in complex with Cytisine

Replaces:  4AFO
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E
(A, B, C, D, E)
SOLUBLE ACETYLCHOLINE RECEPTORpolymer21724688.65UniProt (Q8WSF8)APLYSIA CALIFORNICA (CALIFORNIA SEA HARE)ACETYLCHOLINE BINDING PROTEIN, ACHBP
2F, H, M, P, T
(A, B, C, D, E)
(1R,5S)-1,2,3,4,5,6-HEXAHYDRO-8H-1,5-METHANOPYRIDO[1,2-A][1,5]DIAZOCIN-8-ONEnon-polymer190.25Chemie (C5E)
PubChem (10235)
PubChem (442949)
PubChem (1549781)
PubChem (22407)
PubChem (6708720)
PubChem (6713952)
PubChem (683511)
PubChem (12358865)
PubChem (134879612)
3G, J, K, L, N...
(A, B, C, D, E)
CHLORIDE IONnon-polymer35.511Chemie (CL)
PubChem (312)
4I
(B)
COBALT (II) IONnon-polymer58.91Chemie (CO)
PubChem (104729)
5AA, W, X, Y, Z
(E, A, B, C, D)
waterwater18.025Chemie (HOH)
Sequence modifications
A, B, C, D, E: 1 - 217 (UniProt: Q8WSF8)
PDBExternal DatabaseDetails
Val 41Ala 60conflict
Val 136Ala 155conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains5
Total formula weight123442.9
Non-Polymers*Number of molecules17
Total formula weight1400.1
All*Total formula weight124843.0
*Water molecules are not included.

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PDB entries from 2026-04-01

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