ID A0A1W6LQ15_9BACT Unreviewed; 379 AA.
AC A0A1W6LQ15;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 24-JAN-2024, entry version 25.
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=alr1 {ECO:0000313|EMBL:ARN57895.1};
GN ORFNames=STSP1_02321 {ECO:0000313|EMBL:ARN57895.1};
OS Sedimentisphaera salicampi.
OC Bacteria; Planctomycetota; Phycisphaerae; Sedimentisphaerales;
OC Sedimentisphaeraceae; Sedimentisphaera.
OX NCBI_TaxID=1941349 {ECO:0000313|EMBL:ARN57895.1, ECO:0000313|Proteomes:UP000193334};
RN [1] {ECO:0000313|Proteomes:UP000193334}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ST-PulAB-D4 {ECO:0000313|Proteomes:UP000193334};
RA Spring S., Bunk B., Sproer C.;
RT "Comparative genomics and description of representatives of a novel lineage
RT of planctomycetes thriving in anoxic sediments.";
RL Submitted (APR-2017) 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; CP021023; ARN57895.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1W6LQ15; -.
DR STRING; 1941349.STSP1_02321; -.
DR KEGG; pbp:STSP1_02321; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000193334; 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:UP000193334}.
FT DOMAIN 251..379
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 43
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 272
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 143
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 320
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 43
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 379 AA; 42308 MW; 8A4043048367AA31 CRC64;
MANSDTFFRP DLRASIDSQR LIENVNQLRG LTPTDNKFCA VVKANAYGHG IKEVVNLLKE
EQVDFFAVAS IFEAFYIKPL IERQRILVFE PLNISTPAKY IDFACRNDIH WAICSLEAAK
RASQLASDKK LKLHINIETG MGRLGLEPAQ AEELINFIAD SPNLELAGIY THFATADEDD
LSFAYEQLDN FKRFIKTNTR CGDENVIRHA ANSAACIKIP DSHFDMVRCG ISMYGYFSRS
QRHAPVSLKP VMKLEAPIVH IKRLPAGRSV SYGRSYFTKR ETATAIIPSG YADGYSRLYS
NNASVRIGDK FAPVIGRVCM DQIMADVTDI PEAKVGEFAV IIDNDQNSPA GAYCLANASN
TICYEILISV HEHVRRVVI
//
