1XPY

Structural Basis for Catalytic Racemization and Substrate Specificity of an N-Acylamino Acid Racemase Homologue from Deinococcus radiodurans

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	N-acylamino acid racemase	polymer	375	41060.7	4	UniProt (Q9RYA6) Pfam (PF02746) Pfam (PF13378) In PDB	Deinococcus radiodurans
2	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	C, D	N~2~-ACETYL-L-GLUTAMINE	non-polymer		188.2	2	Chemie (NLQ)
4		water	water		18.0	842	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 375 (UniProt: Q9RYA6)

PDB	External Database	Details
Ser 94	Ala 94	SEE REMARK 999
Asp 148	Gly 148	SEE REMARK 999
Arg 158	Lys 158	SEE REMARK 999
Ser 252	Ala 252	SEE REMARK 999
Ser 315	Pro 315	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	164242.7
Non-Polymers*	Number of molecules	6
	Total formula weight	473.6
All*	Total formula weight	164716.2

*Water molecules are not included.