1RCV

Cholera Toxin B-Pentamer Complexed With Bivalent Nitrophenol-Galactoside Ligand BV1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	D, E, F, G, H	cholera toxin B protein (CTB)	polymer	103	11623.3	5	UniProt (P01556) Pfam (PF01376) In PDB	Vibrio cholerae
2	D, E, F, G, H	[3-(4-{3-[3-NITRO-5-(GALACTOPYRANOSYLOXY)-BENZOYLAMINO]-PROPYL}-PIPERAZIN-1-YL)-PROPYLAMINO] -2-(3-{4-[3-(3-NITRO-5-[GALACTOPYRANOSYLOXY]-BENZOYLAMINO)-PROPYL]-PIPERAZIN-1-YL} -PROPYL-AMINO)-3,4-DIOXO-CYCLOBUTENE	non-polymer		1133.2	5	Chemie (BV1)
3		water	water		18.0	466	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	58116.3
Non-Polymers*	Number of molecules	5
	Total formula weight	5665.8
All*	Total formula weight	63782.1

*Water molecules are not included.