ID A0A1G9QSA0_9FIRM Unreviewed; 378 AA.
AC A0A1G9QSA0;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 24.
DE RecName: Full=Alanine racemase {ECO:0000256|HAMAP-Rule:MF_01201};
DE EC=5.1.1.1 {ECO:0000256|HAMAP-Rule:MF_01201};
GN ORFNames=SAMN04488692_1189 {ECO:0000313|EMBL:SDM13854.1};
OS Halarsenatibacter silvermanii.
OC Bacteria; Bacillota; Clostridia; Halanaerobiales; Halarsenatibacteraceae;
OC Halarsenatibacter.
OX NCBI_TaxID=321763 {ECO:0000313|EMBL:SDM13854.1, ECO:0000313|Proteomes:UP000199476};
RN [1] {ECO:0000313|EMBL:SDM13854.1, ECO:0000313|Proteomes:UP000199476}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SLAS-1 {ECO:0000313|EMBL:SDM13854.1,
RC ECO:0000313|Proteomes:UP000199476};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
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; FNGO01000018; SDM13854.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G9QSA0; -.
DR STRING; 321763.SAMN04488692_1189; -.
DR OrthoDB; 9813814at2; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000199476; Unassembled WGS sequence.
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:UP000199476}.
FT DOMAIN 247..375
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 39
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 268
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 137
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 316
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 39
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 378 AA; 41866 MW; 54E7ACB9E84DF30E CRC64;
MDAVTRPVWA EVDLDNVRHQ IRRISDHIGS RPEIMAVVKA DGYGHGAVPV AEAALEAGAG
RLAVALPEEG MELRAAGISV PIQVLGEIDI NQARIILEYD LIPTICRQDT PEFLQKLASE
NEKTVPAVIK IDTGMGRIGI QPEELNSYYE KITSFSRLKV DSLMTHFATA DEKDKEFTRK
QYCRFEKAVQ KLRENKDKSL EINCQVANSA TVIDLPEYSL DIVRPGIMLY GLPPSREVDQ
SFDLKPVLEL KAKIAYLKRV PPGTPISYGS TYITEKEAEI ATLPLGYADG YPRLLSNQAD
VLVNGKRAPV RGRVCMDQLM IDVSDISQVE EGQEVTLIGR EGDSEITAGE LAELIGTINY
EIVSRLGKRV PKIYLNQS
//
