2ABX

THE CRYSTAL STRUCTURE OF ALPHA-BUNGAROTOXIN AT 2.5 ANGSTROMS RESOLUTION. RELATION TO SOLUTION STRUCTURE AND BINDING TO ACETYLCHOLINE RECEPTOR

Replaces:  1ABX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	ALPHA-BUNGAROTOXIN	polymer	74	8005.3	2	UniProt (P60615) Pfam (PF21947)	Bungarus multicinctus (many-banded krait)
2	C, D (A, B)	water	water		18.0	16	Chemie (HOH)

Sequence modifications

A, B: 1 - 74 (UniProt: P60615)

PDB	External Database	Details
Ile 9	Ser 9	conflict
Ser 11	Ile 11	conflict
His 67	Pro 67	conflict
Pro 68	His 68	conflict
Arg 71	Gln 71	conflict
Gln 72	Arg 72	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	16010.6
All*	Total formula weight	16010.6

*Water molecules are not included.