Q9EZ08 (ALR2_STAA8) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Alanine racemase 2
EC=5.1.1.1

Gene names

Name:	alr2
Synonyms:	dal
Ordered Locus Names:	SAOUHSC_01400

Organism

Staphylococcus aureus (strain NCTC 8325)

Taxonomic identifier

93061 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Staphylococcus

Protein attributes

Sequence length	361 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Provides the D-alanine required for cell wall biosynthesis By similarity. HAMAP MF_01201
Catalytic activity	L-alanine = D-alanine. HAMAP MF_01201
Cofactor	Pyridoxal phosphate By similarity. HAMAP MF_01201
Pathway	Amino-acid biosynthesis; D-alanine biosynthesis; D-alanine from L-alanine: step 1/1. HAMAP MF_01201 Cell wall biogenesis; peptidoglycan biosynthesis. HAMAP MF_01201
Sequence similarities	Belongs to the alanine racemase family.
Sequence caution	The sequence AAG42250.1 differs from that shown. Reason: Erroneous initiation.

Ontologies

Keywords
Biological process	Cell shape Cell wall biogenesis/degradation Peptidoglycan synthesis
Ligand	Pyridoxal phosphate
Molecular function	Isomerase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	alanine metabolic process Inferred from electronic annotation. Source: InterPro cellular cell wall organization Inferred from electronic annotation. Source: UniProtKB-KW peptidoglycan biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW regulation of cell shape Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	alanine racemase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 361	361	Alanine racemase 2 HAMAP MF_01201		PRO_0000114579
Sites
	Active site	30	1	Proton acceptor; specific for D-alanine By similarity
	Active site	256	1	Proton acceptor; specific for L-alanine By similarity
Amino acid modifications
	Modified residue	30	1	N6-(pyridoxal phosphate)lysine By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q9EZ08 [UniParc]. Last modified March 5, 2002. Version 2. Checksum: 1EB1C133B086F5CA	FASTA	361	41,410
	10 20 30 40 50 60 MTATWSVNKK IFLQNAITVK NNQPLMAVVK NNAYHYDLEF AVTQFIHAGI DTFSTTSLRE 70 80 90 100 110 120 AIQIRQLAPD ATIFLMNAVY EFDLVREHQI HMTLPSLTYY YNHKNDLAGI HVHLEFENLL 130 140 150 160 170 180 HRSGFKDLNE IKEVLKDHHH NQNAKMIISG LWTHFGYADE FDVSDYNVER SQWMEIVEAL 190 200 210 220 230 240 LSEGYQFDLI HAQNSASFYR EGQILLPHHT HARVGIALYG SRPYSSLNQH DIVQSLTLKA 250 260 270 280 290 300 HVIQVREVQA GDYCGYSFAF EVTKNNTKLA VVDIGYGDGI LRTRAKHEAL INGKRYPIRA 310 320 330 340 350 360 LMMSHMFVEV DGNVHAQDEV ILYNNDIRID EYTFKGVGAN SEQLSAMNHD SLKKEYISND C

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Identification and analysis of Staphylococcus aureus components expressed by a model system of growth in serum." Wiltshire M.D., Foster S.J. Infect. Immun. 69:5198-5202(2001) [PubMed: 11447207] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[2]	"The Staphylococcus aureus NCTC8325 genome." Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J. Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: NCTC 8325.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AF306669 Genomic DNA. Translation: AAG42250.1. Different initiation. CP000253 Genomic DNA. Translation: ABD30494.1.
RefSeq	YP_499927.1. NC_007795.1.
3D structure databases
ProteinModelPortal	Q9EZ08.
ModBase	Search...
Protein-protein interaction databases
STRING	Q9EZ08.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBSTAT00000029769; EBSTAP00000028720; EBSTAG00000029767.
GeneID	3920690.
GenomeReviews	Gene locus SAOUHSC_01400 in contig CP000253_GR.
KEGG	sao:SAOUHSC_01400.
PATRIC	19580243. VBIStaAur99865_1281.
Phylogenomic databases
eggNOG	COG0787.
GeneTree	EBGT00050000023673.
HOGENOM	HBG712172.
OMA	AYHYGLE.
ProtClustDB	CLSK885326.
Enzyme and pathway databases
BioCyc	SAUR93061:SAOUHSC_01400-MONOMER.
Family and domain databases
HAMAP	MF_01201. Ala_racemase. [Tree]
InterPro	IPR000821. Ala_racemase. IPR009006. Ala_racemase/Decarboxylase_C. IPR011079. Ala_racemase_C. IPR001608. Ala_racemase_N. [Graphical view]
Gene3D	G3DSA:2.40.37.10. Ala_racemase/Decarboxylase_C. 1 hit.
KO	K01775.
Pfam	PF00842. Ala_racemase_C. 1 hit. PF01168. Ala_racemase_N. 1 hit. [Graphical view]
PRINTS	PR00992. ALARACEMASE.
SMART	SM01005. Ala_racemase_C. 1 hit. [Graphical view]
SUPFAM	SSF50621. Racem_decarbox_C. 1 hit.
PROSITE	PS00395. ALANINE_RACEMASE. False negative. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

ALR2_STAA8

Accession

Primary (citable) accession number: Q9EZ08
Secondary accession number(s): Q2FYN5

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 5, 2002
Last sequence update:	March 5, 2002
Last modified:	January 25, 2012
This is version 68 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program