ID Q2JNL7_SYNJB Unreviewed; 424 AA.
AC Q2JNL7;
DT 07-MAR-2006, integrated into UniProtKB/TrEMBL.
DT 07-MAR-2006, sequence version 1.
DT 24-JAN-2024, entry version 114.
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=alr {ECO:0000313|EMBL:ABD01642.1};
GN OrderedLocusNames=CYB_0655 {ECO:0000313|EMBL:ABD01642.1};
OS Synechococcus sp. (strain JA-2-3B'a(2-13)) (Cyanobacteria bacterium
OS Yellowstone B-Prime).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC Synechococcus.
OX NCBI_TaxID=321332 {ECO:0000313|EMBL:ABD01642.1, ECO:0000313|Proteomes:UP000001938};
RN [1] {ECO:0000313|EMBL:ABD01642.1, ECO:0000313|Proteomes:UP000001938}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JA-2-3B'a(2-13) {ECO:0000313|Proteomes:UP000001938};
RX PubMed=18059494; DOI=10.1038/ismej.2007.46;
RA Bhaya D., Grossman A.R., Steunou A.S., Khuri N., Cohan F.M., Hamamura N.,
RA Melendrez M.C., Bateson M.M., Ward D.M., Heidelberg J.F.;
RT "Population level functional diversity in a microbial community revealed by
RT comparative genomic and metagenomic analyses.";
RL ISME J. 1:703-713(2007).
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; CP000240; ABD01642.1; -; Genomic_DNA.
DR RefSeq; WP_011432300.1; NC_007776.1.
DR AlphaFoldDB; Q2JNL7; -.
DR STRING; 321332.CYB_0655; -.
DR KEGG; cyb:CYB_0655; -.
DR eggNOG; COG0787; Bacteria.
DR HOGENOM; CLU_028393_2_2_3; -.
DR OMA; WEILCGF; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000001938; 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:UP000001938}.
FT DOMAIN 287..416
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 83
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 308
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 182
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 356
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 83
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 424 AA; 45817 MW; 62C2DFDAE9421BB5 CRC64;
MNREPVAPAA QGTLRAAALG VQGNTWREGS QRANPSAELD CAIDLELLTS RAWVEIDAAQ
LRENLRLLQR RLGSNVEIWA VVKANAYGHG AQLVAPVAVA AGAKGLCVAT LAEGIELRQT
GLQAPVLVLG ALNTWAELQQ AMAARLEVSL TCTDQIPLMR QVARWAGRPI PVHVNVDTGM
TRLGIPWKEA AAVWGQICRI PELEGCSLFS HLATADEPHS PVMEQQHARF AQVVEQIRQA
GDPLPALHLD NSAGALTHLH YSRVRLGLVL YGLSPAPHLP VPGLQPILRL KARLSHIQTV
PAQTGVSYGH RYITSRPSRI ATLAIGYADG IPRRLSGWLR GWVRGGLIQQ VGTITMDQCM
WDVTERPDIQ VGDVVELLGP NLANAGLSVQ DWADQLGTIS YELLCGLSAR LPRVLVNSLG
FDDA
//