2RJG

Crystal structure of biosynthetic alaine racemase from Escherichia coli

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 (A, B, C, D)	Alanine racemase	polymer	379	41416.2	4	UniProt (P0A6B4) Pfam (PF01168) Pfam (PF00842)	Escherichia coli
2	E, F, G, I, J... (A, B, C, D)	SULFATE ION	non-polymer		96.1	12	Chemie (SO4)
3	H, L, P, T (A, B, C, D)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	4	Chemie (PLP)
4	U, V, W, X (A, B, C, D)	water	water		18.0	494	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 359 (UniProt: P0A6B4)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	165664.9
Non-Polymers*	Number of molecules	16
	Total formula weight	2141.3
All*	Total formula weight	167806.3

*Water molecules are not included.