5ELM

Crystal structure of L-aspartate/glutamate specific racemase in complex with L-glutamate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Asp/Glu_racemase family protein	polymer	238	26389.1	4	UniProt (C3SWD2) Pfam (PF01177) In PDB	Escherichia coli	Aspartate racemase,Putative racemase,Putative resistance proteins,Racemase,Strain O157 SvETEC scaffold16.1,whole genome shotgun sequence
2	A, D	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
3	B, C, D	GLUTAMIC ACID	non-polymer		147.1	3	Chemie (GLU)
4	D	NITRATE ION	non-polymer		62.0	1	Chemie (NO3)
5		water	water		18.0	589	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 230 (UniProt: C3SWD2)

PDB	External Database	Details
Ser 197	Cys 197	conflict
Leu 231	-	expression tag
Glu 232	-	expression tag
His 233	-	expression tag
His 234	-	expression tag
His 235	-	expression tag
His 236	-	expression tag
His 237	-	expression tag
His 238	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	105556.2
Non-Polymers*	Number of molecules	6
	Total formula weight	687.6
All*	Total formula weight	106243.8

*Water molecules are not included.