ID B4EXU1_PROMH Unreviewed; 370 AA.
AC B4EXU1;
DT 23-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 23-SEP-2008, sequence version 1.
DT 27-MAR-2024, entry version 116.
DE RecName: Full=Alanine racemase {ECO:0000256|HAMAP-Rule:MF_01201};
DE EC=5.1.1.1 {ECO:0000256|HAMAP-Rule:MF_01201};
GN Name=dadB {ECO:0000313|EMBL:CAR43168.1};
GN Synonyms=dadX {ECO:0000313|EMBL:CAR43168.1};
GN OrderedLocusNames=PMI1508 {ECO:0000313|EMBL:CAR43168.1};
OS Proteus mirabilis (strain HI4320).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Morganellaceae; Proteus.
OX NCBI_TaxID=529507 {ECO:0000313|EMBL:CAR43168.1, ECO:0000313|Proteomes:UP000008319};
RN [1] {ECO:0000313|EMBL:CAR43168.1, ECO:0000313|Proteomes:UP000008319}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HI4320 {ECO:0000313|EMBL:CAR43168.1,
RC ECO:0000313|Proteomes:UP000008319};
RX PubMed=18375554; DOI=10.1128/JB.01981-07;
RA Pearson M.M., Sebaihia M., Churcher C., Quail M.A., Seshasayee A.S.,
RA Luscombe N.M., Abdellah Z., Arrosmith C., Atkin B., Chillingworth T.,
RA Hauser H., Jagels K., Moule S., Mungall K., Norbertczak H.,
RA Rabbinowitsch E., Walker D., Whithead S., Thomson N.R., Rather P.N.,
RA Parkhill J., Mobley H.L.;
RT "Complete genome sequence of uropathogenic Proteus mirabilis, a master of
RT both adherence and motility.";
RL J. Bacteriol. 190:4027-4037(2008).
CC -!- FUNCTION: Catalyzes the interconversion of L-alanine and D-alanine. May
CC also act on other amino acids. {ECO:0000256|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:0000256|HAMAP-Rule:MF_01201};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000256|ARBA:ARBA00001933,
CC ECO:0000256|HAMAP-Rule:MF_01201, ECO:0000256|PIRSR:PIRSR600821-50};
CC -!- PATHWAY: Amino-acid biosynthesis; D-alanine biosynthesis; D-alanine
CC from L-alanine: step 1/1. {ECO:0000256|HAMAP-Rule:MF_01201}.
CC -!- SIMILARITY: Belongs to the alanine racemase family. {ECO:0000256|HAMAP-
CC Rule:MF_01201}.
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DR EMBL; AM942759; CAR43168.1; -; Genomic_DNA.
DR RefSeq; WP_012368018.1; NC_010554.1.
DR AlphaFoldDB; B4EXU1; -.
DR EnsemblBacteria; CAR43168; CAR43168; PMI1508.
DR GeneID; 6803527; -.
DR KEGG; pmr:PMI1508; -.
DR PATRIC; fig|529507.6.peg.1456; -.
DR eggNOG; COG0787; Bacteria.
DR HOGENOM; CLU_028393_1_0_6; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000008319; 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:SF0; ALANINE RACEMASE, CATABOLIC-RELATED; 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 {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_01201};
KW Pyridoxal phosphate {ECO:0000256|ARBA:ARBA00022898, ECO:0000256|HAMAP-
KW Rule:MF_01201}.
FT DOMAIN 231..355
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 35
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 252
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 130
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 300
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 35
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 370 AA; 40652 MW; FB78645586B47C2F CRC64;
MSRPAKISIN LDALSHNLSV IKSKAQGSKV WSVVKADAYG HGLSCVWPAL SHTDGFALIE
LDKAIMLREQ GWVGPILLLE GFFKPDDVYL LERYSLTTVV HADWQFEAIE QAQLERPINI
YLKLNSGMNR LGYRPEDYQQ AIQRAKGITN IGSIVQMSHF ANADTGLNMA TQKQIIDSSM
VNDLPRCLAN SAAILFEPQT HHSWVRPGII LYGVSPSGVW QDIADFDLQP VMTFNSEVLA
IQSVKKGEQI GYGSRYTAQR DMRIAVVACG YADGYPRHAP DGTPVIVKGH KTQLVGRISM
DMLTIDVTDL PDVEHGSPVE LWGNQLPVDE VALACGTIGY ELLCAIAPRV AVEVTINVAN
STFSDLNESC
//
