4FSD

ArsM arsenic(III) S-adenosylmethionine methyltransferase with As(III)

Replaces:  3QNH

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Arsenic methyltransferase	polymer	383	42312.7	1	UniProt (C0JV69) Pfam (PF13847) In PDB	Cyanidioschyzon sp. 5508
2	A	ARSENIC	non-polymer		74.9	1	Chemie (ARS)
3	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5		water	water		18.0	207	Chemie (HOH)

Sequence modifications

A: 1 - 370 (UniProt: C0JV69)

PDB	External Database	Details
Ser 371	-	expression tag
Gly 372	-	expression tag
Ala 373	-	expression tag
Ala 374	-	expression tag
Ala 375	-	expression tag
Leu 376	-	expression tag
Glu 377	-	expression tag
His 378	-	expression tag
His 379	-	expression tag
His 380	-	expression tag
His 381	-	expression tag
His 382	-	expression tag
His 383	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42312.7
Non-Polymers*	Number of molecules	4
	Total formula weight	190.5
All*	Total formula weight	42503.3

*Water molecules are not included.