ID ALR_HAMD5 Reviewed; 358 AA.
AC C4K4C4;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 07-JUL-2009, sequence version 1.
DT 27-MAR-2024, entry version 70.
DE RecName: Full=Alanine racemase {ECO:0000255|HAMAP-Rule:MF_01201};
DE EC=5.1.1.1 {ECO:0000255|HAMAP-Rule:MF_01201};
GN Name=alr; OrderedLocusNames=HDEF_0679;
OS Hamiltonella defensa subsp. Acyrthosiphon pisum (strain 5AT).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; aphid secondary symbionts; Hamiltonella.
OX NCBI_TaxID=572265;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=5AT;
RX PubMed=19451630; DOI=10.1073/pnas.0900194106;
RA Degnan P.H., Yu Y., Sisneros N., Wing R.A., Moran N.A.;
RT "Hamiltonella defensa, genome evolution of protective bacterial
RT endosymbiont from pathogenic ancestors.";
RL Proc. Natl. Acad. Sci. U.S.A. 106:9063-9068(2009).
CC -!- FUNCTION: Catalyzes the interconversion of L-alanine and D-alanine. May
CC also act on other amino acids. {ECO:0000255|HAMAP-Rule:MF_01201}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=L-alanine = D-alanine; Xref=Rhea:RHEA:20249,
CC ChEBI:CHEBI:57416, ChEBI:CHEBI:57972; EC=5.1.1.1;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01201};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01201};
CC -!- PATHWAY: Amino-acid biosynthesis; D-alanine biosynthesis; D-alanine
CC from L-alanine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_01201}.
CC -!- SIMILARITY: Belongs to the alanine racemase family. {ECO:0000255|HAMAP-
CC Rule:MF_01201}.
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DR EMBL; CP001277; ACQ67417.1; -; Genomic_DNA.
DR RefSeq; WP_015873238.1; NC_012751.1.
DR AlphaFoldDB; C4K4C4; -.
DR SMR; C4K4C4; -.
DR STRING; 572265.HDEF_0679; -.
DR GeneID; 66260538; -.
DR KEGG; hde:HDEF_0679; -.
DR eggNOG; COG0787; Bacteria.
DR HOGENOM; CLU_028393_1_0_6; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000002334; Chromosome.
DR GO; GO:0008784; F:alanine racemase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030632; P:D-alanine biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd06827; PLPDE_III_AR_proteobact; 1.
DR Gene3D; 3.20.20.10; Alanine racemase; 1.
DR HAMAP; MF_01201; Ala_racemase; 1.
DR InterPro; IPR000821; Ala_racemase.
DR InterPro; IPR009006; Ala_racemase/Decarboxylase_C.
DR InterPro; IPR011079; Ala_racemase_C.
DR InterPro; IPR001608; Ala_racemase_N.
DR InterPro; IPR020622; Ala_racemase_pyridoxalP-BS.
DR InterPro; IPR029066; PLP-binding_barrel.
DR NCBIfam; TIGR00492; alr; 1.
DR PANTHER; PTHR30511; ALANINE RACEMASE; 1.
DR PANTHER; PTHR30511:SF4; ALANINE RACEMASE, BIOSYNTHETIC; 1.
DR Pfam; PF00842; Ala_racemase_C; 1.
DR Pfam; PF01168; Ala_racemase_N; 1.
DR PRINTS; PR00992; ALARACEMASE.
DR SMART; SM01005; Ala_racemase_C; 1.
DR SUPFAM; SSF50621; Alanine racemase C-terminal domain-like; 1.
DR SUPFAM; SSF51419; PLP-binding barrel; 1.
DR PROSITE; PS00395; ALANINE_RACEMASE; 1.
PE 3: Inferred from homology;
KW Isomerase; Pyridoxal phosphate.
FT CHAIN 1..358
FT /note="Alanine racemase"
FT /id="PRO_1000213835"
FT ACT_SITE 34
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT ACT_SITE 254
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT BINDING 129
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT BINDING 302
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT MOD_RES 34
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
SQ SEQUENCE 358 AA; 39378 MW; 00ED6051FA0C5F9A CRC64;
MKGATAIINL KSLRHNLEKI QQYAPKSRLM AVVKANAYGH GLLTVAQALK NADYFSVARI
EEALTLRSGG IIKPILLLEG FFSLEDLAVL QVNHIETVIH NFEQLVALEK VRLPEPVRVW
MKIDTGMHRL GVRLEQADAF YQRLQNCPNV AKPIHIITHL SDVNPHHPVV TDQQIRSFDA
FVQGKPGQKS IAASGAILLC PQSHRDVVRP GIALYGISPF EHFIGRDYGL LPVMTLQSPL
IAVREHKAGE TVGYAGEWIS QTATFLGVLA IGYGDGYPQS APTGTPVWIN DRQVPIVGRV
SMDMISVDLG RDATDKVGDR AVLWGDQLSL EKVASYIGYT AYELVSKLTG RVAISYVN
//
