ID W4M9D6_9BACT Unreviewed; 375 AA.
AC W4M9D6;
DT 19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT 19-MAR-2014, sequence version 1.
DT 27-MAR-2024, entry version 45.
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=ETSY2_13790 {ECO:0000313|EMBL:ETX06989.1};
OS Candidatus Entotheonella gemina.
OC Bacteria; Nitrospinae/Tectomicrobia group; Candidatus Tectomicrobia;
OC Entotheonella.
OX NCBI_TaxID=1429439 {ECO:0000313|EMBL:ETX06989.1, ECO:0000313|Proteomes:UP000019140};
RN [1] {ECO:0000313|EMBL:ETX06989.1, ECO:0000313|Proteomes:UP000019140}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TSY2 {ECO:0000313|Proteomes:UP000019140};
RX PubMed=24476823; DOI=10.1038/nature12959;
RA Wilson M.C., Mori T., Ruckert C., Uria A.R., Helf M.J., Takada K.,
RA Gernert C., Steffens U.A., Heycke N., Schmitt S., Rinke C., Helfrich E.J.,
RA Brachmann A.O., Gurgui C., Wakimoto T., Kracht M., Crusemann M.,
RA Hentschel U., Abe I., Matsunaga S., Kalinowski J., Takeyama H., Piel J.;
RT "An environmental bacterial taxon with a large and distinct metabolic
RT repertoire.";
RL Nature 506:58-62(2014).
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}.
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:ETX06989.1}.
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DR EMBL; AZHX01000554; ETX06989.1; -; Genomic_DNA.
DR AlphaFoldDB; W4M9D6; -.
DR PATRIC; fig|1429439.4.peg.2353; -.
DR HOGENOM; CLU_028393_2_2_7; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000019140; 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; 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.
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:UP000019140}.
FT DOMAIN 246..374
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 41
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 267
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 139
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 315
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 41
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 375 AA; 40794 MW; CED023182A528A5C CRC64;
MTPCSTAPPT VADIDVTAFT HNLCAVRARL SASCELMAMV KADAYGHGAV ELAASALQAG
ATWLAVARCD EGVDLRLQGI DAPILLLGPI WPDEVDTLLA YRLTPVLGSL EDARLVQQHA
QPRGQQVGVH VNVDTGMGRL GLQPHQVPVL LDEMEALSHL DWQGVMTHMA TADHPDKRTT
QEQWQCFCRV VQTMHDRGVR PVYLHAANSA VLYRFPQMHG QIVRPGLALY GVHPFEAPEA
NVLRPVLSWK TRLARVETVV SGSGVSYGHT FVTSRLSRIA TLPVGYADGL CRRLSNVGEV
LVQGRRAPFV GQITMDMCMI DVTDIPQAQM GDEAVLIGAQ GEDRITVEAM AAHGGRSPYE
VFCAISARVP RRYIV
//