1FGB

TOXIN

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 (D, E, F, G, H)	CHOLERA TOXIN B SUBUNIT PENTAMER	polymer	103	11623.3	5	UniProt (P01556) Pfam (PF01376)	Vibrio cholerae	CHOLERAGENOID
2	F, G, H, I, J (D, E, F, G, H)	water	water		18.0	204	Chemie (HOH)

Sequence modifications

D, E, F, G, H: 1 - 103 (UniProt: P01556)

PDB	External Database	Details
His 18	Tyr 39	conflict
Thr 47	Ile 68	conflict

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	58116.3
All*	Total formula weight	58116.3

*Water molecules are not included.