ID ALR2_RHIJ3 Reviewed; 377 AA.
AC Q9RAE7; Q1M447;
DT 05-MAR-2002, integrated into UniProtKB/Swiss-Prot.
DT 27-JUN-2006, sequence version 3.
DT 27-MAR-2024, entry version 128.
DE RecName: Full=Alanine racemase, catabolic;
DE EC=5.1.1.1;
GN Name=dadX; OrderedLocusNames=pRL120416;
OS Rhizobium johnstonii (strain DSM 114642 / LMG 32736 / 3841) (Rhizobium
OS leguminosarum bv. viciae).
OG Plasmid pRL12.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium;
OC Rhizobium johnstonii.
OX NCBI_TaxID=216596;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=10792736; DOI=10.1046/j.1365-2958.2000.01884.x;
RA Allaway D.A., Lodwig E.M., Crompton L.A., Wood M., Parsons R.,
RA Wheeler T.R., Poole P.S.;
RT "Identification of alanine dehydrogenase and its role in mixed secretion of
RT ammonium and alanine by pea bacteroids.";
RL Mol. Microbiol. 36:508-515(2000).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 114642 / LMG 32736 / 3841; PLASMID=pRL12;
RX PubMed=16640791; DOI=10.1186/gb-2006-7-4-r34;
RA Young J.P.W., Crossman L.C., Johnston A.W.B., Thomson N.R., Ghazoui Z.F.,
RA Hull K.H., Wexler M., Curson A.R.J., Todd J.D., Poole P.S., Mauchline T.H.,
RA East A.K., Quail M.A., Churcher C., Arrowsmith C., Cherevach I.,
RA Chillingworth T., Clarke K., Cronin A., Davis P., Fraser A., Hance Z.,
RA Hauser H., Jagels K., Moule S., Mungall K., Norbertczak H.,
RA Rabbinowitsch E., Sanders M., Simmonds M., Whitehead S., Parkhill J.;
RT "The genome of Rhizobium leguminosarum has recognizable core and accessory
RT components.";
RL Genome Biol. 7:R34.1-R34.20(2006).
CC -!- FUNCTION: Isomerizes L-alanine to D-alanine which is then oxidized to
CC pyruvate by DadA.
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 -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000250};
CC -!- SIMILARITY: Belongs to the alanine racemase family. {ECO:0000305}.
CC -!- SEQUENCE CAUTION:
CC Sequence=CAB53547.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AJ249196; CAB53547.1; ALT_INIT; Genomic_DNA.
DR EMBL; AM236086; CAK12125.1; -; Genomic_DNA.
DR RefSeq; WP_011649181.1; NC_008378.1.
DR AlphaFoldDB; Q9RAE7; -.
DR SMR; Q9RAE7; -.
DR EnsemblBacteria; CAK12125; CAK12125; pRL120416.
DR KEGG; rle:pRL120416; -.
DR eggNOG; COG0787; Bacteria.
DR HOGENOM; CLU_028393_1_1_5; -.
DR Proteomes; UP000006575; Plasmid pRL12.
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:0006522; P:alanine metabolic process; IEA:UniProtKB-UniRule.
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; Plasmid; Pyridoxal phosphate.
FT CHAIN 1..377
FT /note="Alanine racemase, catabolic"
FT /id="PRO_0000114554"
FT ACT_SITE 51
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000250"
FT ACT_SITE 272
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000250"
FT BINDING 150
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 320
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT MOD_RES 51
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000250"
SQ SEQUENCE 377 AA; 40548 MW; BB38DAC35BD3DBF2 CRC64;
MDSDILVSRT RTATIAQGAT GYLMIDLAAL GRNYRKLVSM LAPVRAGAVV KADAYGLGAE
RVARTLYSEG CRHFFVAQFV EAVRLRPALA HDAQIFVLNG LQPGNEIACA EMGIVPVLNS
LAQWRQWSAA ARILKRCLPA VLQFDTGMSR LGFPREERRE LAAALRDGSN VEILFIMSHL
ASADDMGSEQ NGEQFAEMSR IADEFPGFDI SFANSGGVFL GEAYYGVLAR PGIALYGGAP
NAGEKNPMEP VVSLNVAVVQ TRTVPAGAKV GYGGAHVTQR ETRLATIAAG YADGLPRCLS
DRGAVYFKGV RLPIVGRVSM DSTTVDITAL PEGALTFGSL VEVLGRHQTL EDIARDAGTI
SYEILTGLGD RYDRQYR
//