ID A0A2U2CGC6_9RHOB Unreviewed; 347 AA.
AC A0A2U2CGC6;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 24-JAN-2024, entry version 19.
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 Name=alr {ECO:0000313|EMBL:PWE30920.1};
GN ORFNames=C4N9_03970 {ECO:0000313|EMBL:PWE30920.1};
OS Pararhodobacter marinus.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Pararhodobacter.
OX NCBI_TaxID=2184063 {ECO:0000313|EMBL:PWE30920.1, ECO:0000313|Proteomes:UP000244940};
RN [1] {ECO:0000313|EMBL:PWE30920.1, ECO:0000313|Proteomes:UP000244940}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CIC4N-9 {ECO:0000313|EMBL:PWE30920.1,
RC ECO:0000313|Proteomes:UP000244940};
RA Lai Q.Sr., Liu X., Shao Z.;
RT "Pararhodobacter marina sp. nov., isolated from deep-sea water of the
RT Indian Ocean.";
RL Submitted (MAY-2018) 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|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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PWE30920.1}.
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DR EMBL; QEYD01000002; PWE30920.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2U2CGC6; -.
DR OrthoDB; 9813814at2; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000244940; 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:UP000244940}.
FT DOMAIN 221..343
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 33
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 242
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 128
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 290
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 33
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 347 AA; 36944 MW; 9CCD1F6AAFE6F0FA CRC64;
MSAPLLTLDL DALADNWRRL AQLSGSETGA TVKADGYGLG ASRVARRLAE AGARSFFVAL
AEEGLAIRKV LGNGPRIFVF SGHMAGDAAM LRELGLIPLI NSAEQMARHA ETLPDHPFGI
QLDSGMNRLG MEAPEWAAVR QIALQTAPQL VMSHLACADE PAHEMNARQR DRFIEMTAGL
DAPRSLAATG GMLLGRDYHF ELSRPGVGLY GGLPFEGAKP VVHAALPVIQ IRDVEPGETV
GYGNTWTAAR PSRIATVAAG YADGIHRALS HKLQLWAGDT PCPTVGRISM DLIGVDVTDL
PDEPEALDLL NAHQTVDKLA DAAGTIGYEI LTSLGARYKR RYLGGGA
//