3NEQ

Crystal structure of the chimeric muscarinic toxin MT7 with loop 3 from MT1

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)	Three-finger muscarinic toxin 7	polymer	66	7596.7	2	UniProt (Q8QGR0) UniProt (P81030) Pfam (PF21947)	Dendroaspis angusticeps	MT7,Muscarinic m1-toxin 1,MTx1,MT7,Muscarinic m1-toxin 1
2	C, D, E, F (A, B)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	G, H (A, B)	water	water		18.0	305	Chemie (HOH)

Sequence modifications

A, B: 1 - 48 (UniProt: Q8QGR0)
A, B: 49 - 57 (UniProt: P81030)
A, B: 58 - 66 (UniProt: Q8QGR0)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	15193.5
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	15577.7

*Water molecules are not included.