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1RF2

Cholera Toxin B-Pentamer Complexed With Bivalent Nitrophenol-Galactoside Ligand BV4

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E
(D, E, F, G, H)
cholera toxin B protein (CTB)polymer10311623.35UniProt (P01556)
Pfam (PF01376)
Vibrio cholerae
2F, G, H, I, J
(D, E, F, G, H)
1,3-BIS-([3-[3-[3-(4-{3-[3-NITRO-5-(GALACTOPYRANOSYLOXY)-BENZOYLAMINO]-PROPYL}-PIPERAZIN-1-YL)-PROPYLAMINO-3,4-DIOXO-CYCLOBUTENYL]-AMINO-PROPOXY-ETHOXY-ETHOXY]-PROPYL-]AMINO-CARBONYLOXY)-2-AMINO-PROPANEnon-polymer1794.95Chemie (BV4)
3K
(H)
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOLnon-polymer122.11Chemie (TRS)
4L
(H)
TRIETHYLENE GLYCOLnon-polymer150.21Chemie (PGE)
5M, N, O, P, Q
(D, E, F, G, H)
waterwater18.0498Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains5
Total formula weight58116.3
Non-Polymers*Number of molecules7
Total formula weight9246.8
All*Total formula weight67363.2
*Water molecules are not included.

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PDB entries from 2025-06-11

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