ID ALR_STRPI Reviewed; 367 AA.
AC B1I755;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 82.
DE RecName: Full=Alanine racemase {ECO:0000255|HAMAP-Rule:MF_01201};
DE EC=5.1.1.1 {ECO:0000255|HAMAP-Rule:MF_01201};
GN Name=alr; OrderedLocusNames=SPH_1802;
OS Streptococcus pneumoniae (strain Hungary19A-6).
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=487214;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hungary19A-6;
RX PubMed=21034474; DOI=10.1186/gb-2010-11-10-r107;
RA Donati C., Hiller N.L., Tettelin H., Muzzi A., Croucher N.J.,
RA Angiuoli S.V., Oggioni M., Dunning Hotopp J.C., Hu F.Z., Riley D.R.,
RA Covacci A., Mitchell T.J., Bentley S.D., Kilian M., Ehrlich G.D.,
RA Rappuoli R., Moxon E.R., Masignani V.;
RT "Structure and dynamics of the pan-genome of Streptococcus pneumoniae and
RT closely related species.";
RL Genome Biol. 11:R107.1-R107.19(2010).
CC -!- FUNCTION: Catalyzes the interconversion of L-alanine and D-alanine. May
CC also act on other amino acids. {ECO:0000255|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:0000255|HAMAP-Rule:MF_01201};
CC -!- COFACTOR:
CC Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01201};
CC -!- PATHWAY: Amino-acid biosynthesis; D-alanine biosynthesis; D-alanine
CC from L-alanine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_01201}.
CC -!- SIMILARITY: Belongs to the alanine racemase family. {ECO:0000255|HAMAP-
CC Rule:MF_01201}.
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DR EMBL; CP000936; ACA35943.1; -; Genomic_DNA.
DR RefSeq; WP_000648077.1; NC_010380.1.
DR AlphaFoldDB; B1I755; -.
DR SMR; B1I755; -.
DR KEGG; spv:SPH_1802; -.
DR HOGENOM; CLU_028393_2_1_9; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000002163; 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; Pyridoxal phosphate.
FT CHAIN 1..367
FT /note="Alanine racemase"
FT /id="PRO_1000138627"
FT ACT_SITE 40
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT ACT_SITE 263
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT BINDING 136
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT BINDING 310
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
FT MOD_RES 40
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01201"
SQ SEQUENCE 367 AA; 39883 MW; CFDBDB52ACB636FD CRC64;
MKASPHRPTK ALIHLGAIRQ NIQQMGAHIP QGTLKLAVVK ANAYGHGAVA VAKAIQDDVD
GFCVSNIDEA IELRQAGLSK PILILGVSEI EAVALAKEYD FTLTVAGLEW IQALLDKEVD
LTGLTVHLKI DSGMGRIGFR EASEVEQAQD LLQQHGVRVE GIFTHFATAD EESDDYFNAQ
LERFKTILAS MKCLPELVHA SNSATTLWHV ETIFNAVRMG DAMYGLNPSG AVLDLPYDLI
PALTLESALV HVKTVPAGAC MGYGATYQAD SEQVIATVPI GYADGWTRDM QNFSVLVDGQ
ACPIVGRVSM DQITIRLPKP YPLGTKVTLI GSNGDKEITA TQVATYRVTI NYEVVCLLSD
RIPREYY
//
