5X2L

Crystal Structure of Human Serine Racemase

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)	Serine racemase	polymer	348	37674.2	2	UniProt (Q9GZT4) Pfam (PF00291)	Homo sapiens (Human)	D-serine ammonia-lyase,D-serine dehydratase,L-serine ammonia-lyase,L-serine dehydratase
2	C, E (A, B)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	D, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, H (A, B)	water	water		18.0	330	Chemie (HOH)

Sequence modifications

A, B: 1 - 340 (UniProt: Q9GZT4)

PDB	External Database	Details
Leu 341	-	expression tag
Glu 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag
His 348	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	75348.5
Non-Polymers*	Number of molecules	4
	Total formula weight	542.9
All*	Total formula weight	75891.4

*Water molecules are not included.