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2X8B

Crystal structure of human acetylcholinesterase inhibited by aged tabun and complexed with fasciculin-II

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
ACETHYLCHOLINESTERASEpolymer58364748.81UniProt (P22303)
Pfam (PF00135)
Pfam (PF08674)
HOMO SAPIENS (HUMAN)ACHE
2B
(B)
FASCICULIN-2polymer616768.81UniProt (P0C1Z0)
Pfam (PF21947)
DENDROASPIS ANGUSTICEPS (EASTERN GREEN MAMBA)FASCICULIN-II, ACETYLCHOLINESTERASE TOXIN F-VII, TOXIN TA1, FAS-2, FAS2, FAS-II
3C, D, E, F, G...
(A)
CHLORIDE IONnon-polymer35.511Chemie (CL)
4I
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
5J, K, S
(A)
UNKNOWN ATOM OR IONnon-polymer3Chemie (UNX)
6L, M
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.22Chemie (NAG)
7T, U
(A, B)
waterwater18.0236Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight71517.6
Non-Polymers*Number of molecules17
Total formula weight928.5
All*Total formula weight72446.0
*Water molecules are not included.

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PDB entries from 2025-06-18

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