3X44

Crystal structure of O-ureido-L-serine-bound K43A mutant of O-ureido-L-serine synthase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	O-ureido-L-serine synthase	polymer	332	35642.3	2	UniProt (D2Z027) Pfam (PF00291) In PDB	Streptomyces lavendulae	Cysteine synthase homolog DscD, O-acetylserine sulfhydrylase
2	A, B	(E)-O-(carbamoylamino)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine	non-polymer		392.3	2	Chemie (PUS)
3		water	water		18.0	468	Chemie (HOH)

Sequence modifications

A, B: 1 - 324 (UniProt: D2Z027)

PDB	External Database	Details
Ala 43	Lys 43	engineered mutation
Leu 325	-	expression tag
Glu 326	-	expression tag
His 327	-	expression tag
His 328	-	expression tag
His 329	-	expression tag
His 330	-	expression tag
His 331	-	expression tag
His 332	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71284.6
Non-Polymers*	Number of molecules	2
	Total formula weight	784.5
All*	Total formula weight	72069.1

*Water molecules are not included.