ID A0A0M4D686_SPHS1 Unreviewed; 381 AA.
AC A0A0M4D686;
DT 09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT 09-DEC-2015, sequence version 1.
DT 24-JAN-2024, entry version 34.
DE RecName: Full=Alanine racemase {ECO:0000256|ARBA:ARBA00013089, ECO:0000256|HAMAP-Rule:MF_01201};
DE EC=5.1.1.1 {ECO:0000256|ARBA:ARBA00013089, ECO:0000256|HAMAP-Rule:MF_01201};
GN ORFNames=LH20_01340 {ECO:0000313|EMBL:ALC10587.1};
OS Sphingopyxis sp. (strain 113P3).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Sphingopyxis.
OX NCBI_TaxID=292913 {ECO:0000313|EMBL:ALC10587.1, ECO:0000313|Proteomes:UP000061305};
RN [1] {ECO:0000313|EMBL:ALC10587.1, ECO:0000313|Proteomes:UP000061305}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=113P3 {ECO:0000313|EMBL:ALC10587.1,
RC ECO:0000313|Proteomes:UP000061305};
RX PubMed=26472829;
RA Ohtsubo Y., Nagata Y., Numata M., Tsuchikane K., Hosoyama A., Yamazoe A.,
RA Tsuda M., Fujita N., Kawai F.;
RT "Complete Genome Sequence of Polyvinyl Alcohol-Degrading Strain
RT Sphingopyxis sp. 113P3 (NBRC 111507).";
RL Genome Announc. 3:e01169-15(2015).
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|ARBA:ARBA00000316, ECO:0000256|HAMAP-
CC 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.
CC {ECO:0000256|ARBA:ARBA00007880, ECO:0000256|HAMAP-Rule:MF_01201}.
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DR EMBL; CP009452; ALC10587.1; -; Genomic_DNA.
DR RefSeq; WP_053552669.1; NZ_CP009452.1.
DR AlphaFoldDB; A0A0M4D686; -.
DR STRING; 292913.LH20_01340; -.
DR KEGG; sphp:LH20_01340; -.
DR PATRIC; fig|292913.6.peg.262; -.
DR OrthoDB; 9813814at2; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000061305; 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; cd00430; PLPDE_III_AR; 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}; Reference proteome {ECO:0000313|Proteomes:UP000061305}.
FT DOMAIN 241..367
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 42
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 262
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 141
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 310
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 42
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 381 AA; 39669 MW; 569D0DE7FDD01C1B CRC64;
MQQLSCVESC SSRLGIDLDA LRANYRTLTE RVAPARCGAV VKANAYGLGA TRVGAALYRE
GCRTFFVAQL SEVAPLASAV GADAAIFILN GLDPASEGAC TAAGAIPVLN SLSQVTRWRA
SARRLGFPLP AALQVDSGMS RLGLAVEDAL ALAADPACAR ELDLRLLMTH LACADEPGRA
ANGEQLAAFR RIAAHFPGVP ASIANSGGVF LPPPFHADLA RPGVALFGVD PGPHAVGLRP
VVQLHARVLQ IRTVAAGTRV GYGLDHIAPA PQRLATIALG YADGWPRSLG GAGALWHRGI
RLPIVGRVSM DSLTVDISAL PQGELAEGDF VECLGPSQSL ADAARDARTI AYEILTRLGA
RHARIFVEDG NAEIVLPGRA P
//
