9SQ0

Structure of trans-basal conformer of wild-type human CBS alone (internal aldemine)- by single particle approach

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)	Cystathionine beta-synthase	polymer	551	60893.5	2	UniProt (P35520)	Homo sapiens (human)	Beta-thionase,Serine sulfhydrase
2	C, D (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	121787.0
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	123020.0

*Water molecules are not included.