4ODJ

Crystal structure of a putative S-adenosylmethionine synthetase from Cryptosporidium hominis in complex with S-adenosyl-methionine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	S-adenosylmethionine synthase	polymer	414	45955.3	1	UniProt (Q5CKX0)	Cryptosporidium hominis
2	B (A)	S-ADENOSYLMETHIONINE	non-polymer		398.4	1	Chemie (SAM)
3	C (A)	TRIPHOSPHATE	non-polymer		258.0	1	Chemie (3PO)
4	D, E (A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	F (A)	water	water		18.0	297	Chemie (HOH)

Sequence modifications

A: 1 - 406 (UniProt: Q5CKX0)

PDB	External Database	Details
Met -7	-	expression tag
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	45955.3
Non-Polymers*	Number of molecules	4
	Total formula weight	705.0
All*	Total formula weight	46660.3

*Water molecules are not included.