6AHI

Crystal structure of O-acetylserine dependent cystathionine beta-synthase from Helicobacter pylori.

Replaces:  5HBGReplaces:  4I1XReplaces:  4R2V

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)	Cysteine synthase	polymer	314	34273.9	2	UniProt (P56067) Pfam (PF00291)	Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori)	CSase,O-acetylserine (thiol)-lyase,OAS-TL,O-acetylserine sulfhydrylase
2	C (B)	METHIONINE	non-polymer		149.2	1	Chemie (MET)
3	D, E (A, B)	water	water		18.0	132	Chemie (HOH)

Sequence modifications

A, B: 1 - 306 (UniProt: P56067)

PDB	External Database	Details
Leu 307	-	expression tag
Gln 308	-	expression tag
His 309	-	expression tag
His 310	-	expression tag
His 311	-	expression tag
His 312	-	expression tag
His 313	-	expression tag
His 314	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68547.9
Non-Polymers*	Number of molecules	1
	Total formula weight	149.2
All*	Total formula weight	68697.1

*Water molecules are not included.