P0A6B6 (ALR1_SHIBO) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Alanine racemase, biosynthetic
EC=5.1.1.1

Gene names

Name:

alr

Organism

Shigella boydii

Taxonomic identifier

621 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Shigella

Protein attributes

Sequence length	359 AA.
Sequence status	Complete.
Protein existence	Evidence at protein level

General annotation (Comments)

Function	Provides the D-alanine required for cell wall biosynthesis. HAMAP MF_01201
Catalytic activity	L-alanine = D-alanine. HAMAP MF_01201
Cofactor	Pyridoxal phosphate.
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
Subunit structure	Monomer but homodimer in the presence of the substrate.
Sequence similarities	Belongs to the alanine racemase family.
Biophysicochemical properties	pH dependence: Optimum pH is 8-10. HAMAP MF_01201 Temperature dependence: Optimum temperature is 50 degrees Celsius.

Ontologies

Keywords
Biological process	Cell shape Cell wall biogenesis/degradation Peptidoglycan synthesis
Ligand	Pyridoxal phosphate
Molecular function	Isomerase
Technical term	Direct protein sequencing
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 – 359	359	Alanine racemase, biosynthetic HAMAP MF_01201		PRO_0000114563
Sites
	Active site	34	1	Proton acceptor; specific for D-alanine By similarity
	Active site	255	1	Proton acceptor; specific for L-alanine By similarity
Amino acid modifications
	Modified residue	34	1	N6-(pyridoxal phosphate)lysine By similarity

Sequences

	Sequence		Length	Mass (Da)
	P0A6B6 [UniParc]. Last modified June 7, 2005. Version 1. Checksum: FDE9B438115342C2	FASTA	359	39,153
	10 20 30 40 50 60 MQAATVVINR RALRHNLQRL RELAPASKMV AVVKANAYGH GLLETARTLP DADAFGVARL 70 80 90 100 110 120 EEALRLRAGG ITKPVLLLEG FFDARDLPTI SAQHFHTAVH NEEQLAALEE ASLDEPVTVW 130 140 150 160 170 180 MKLDTGMHRL GVRPEQAEAF YHRLTQCKNV RQPVNIVSHF ARADEPKCGA TEKQLAIFNT 190 200 210 220 230 240 FCEGKPGQRS IAASGGILLW PQSHFDWVRP GIILYGVSPL EDRSTGADFG CQPVMSLTSS 250 260 270 280 290 300 LIAVREHKAG EPVGYGGTWV SERDTRLGVV AMGYGDGYPR AAPSGTPVLV NGREVPIVGR 310 320 330 340 350 VAMDMICVDL GPQAQDKAGD PVILWGEGLP VERIAEMTKV SAYELITRLT SRVAMKYVD

References

[1]	"Gene cloning and characterization of alanine racemases from Shigella dysenteriae, Shigella boydii, Shigella flexneri, and Shigella sonnei." Yokoigawa K., Hirasawa R., Ueno H., Okubo Y., Umesako S., Soda K. Biochem. Biophys. Res. Commun. 288:676-684(2001) [PubMed: 11676496] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 1-21, CHARACTERIZATION.
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AB070926 Genomic DNA. Translation: BAB71771.1.
3D structure databases
ProteinModelPortal	P0A6B6.
SMR	P0A6B6. Positions 1-359.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Enzyme and pathway databases
BRENDA	5.1.1.1. 5710.
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. IPR020622. Ala_racemase_pyridoxalP-BS. [Graphical view]
Gene3D	G3DSA:2.40.37.10. Ala_racemase/Decarboxylase_C. 1 hit.
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.
TIGRFAMs	TIGR00492. Alr. 1 hit.
PROSITE	PS00395. ALANINE_RACEMASE. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

ALR1_SHIBO

Accession

Primary (citable) accession number: P0A6B6
Secondary accession number(s): P29743, P78136

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 7, 2005
Last sequence update:	June 7, 2005
Last modified:	January 25, 2012
This is version 32 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program