ID K9X188_9NOST Unreviewed; 396 AA.
AC K9X188;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 61.
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=Cylst_4139 {ECO:0000313|EMBL:AFZ26243.1};
OS Cylindrospermum stagnale PCC 7417.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae;
OC Cylindrospermum.
OX NCBI_TaxID=56107 {ECO:0000313|EMBL:AFZ26243.1, ECO:0000313|Proteomes:UP000010475};
RN [1] {ECO:0000313|EMBL:AFZ26243.1, ECO:0000313|Proteomes:UP000010475}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7417 {ECO:0000313|EMBL:AFZ26243.1,
RC ECO:0000313|Proteomes:UP000010475};
RG US DOE Joint Genome Institute;
RA Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Chen A., Kyrpides N.,
RA Mavromatis K., Markowitz V., Szeto E., Ivanova N., Pagani I., Pati A.,
RA Goodwin L., Nordberg H.P., Cantor M.N., Hua S.X., Woyke T., Kerfeld C.A.;
RT "Finished chromosome of genome of Cylindrospermum stagnale PCC 7417.";
RL Submitted (JUN-2012) 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; CP003642; AFZ26243.1; -; Genomic_DNA.
DR RefSeq; WP_015209485.1; NC_019757.1.
DR AlphaFoldDB; K9X188; -.
DR STRING; 56107.Cylst_4139; -.
DR KEGG; csg:Cylst_4139; -.
DR PATRIC; fig|56107.3.peg.4538; -.
DR eggNOG; COG0787; Bacteria.
DR HOGENOM; CLU_028393_2_2_3; -.
DR OrthoDB; 9813814at2; -.
DR UniPathway; UPA00042; UER00497.
DR Proteomes; UP000010475; 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:UP000010475}.
FT DOMAIN 267..395
FT /note="Alanine racemase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01005"
FT ACT_SITE 58
FT /note="Proton acceptor; specific for D-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT ACT_SITE 288
FT /note="Proton acceptor; specific for L-alanine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201"
FT BINDING 159
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT BINDING 336
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-52"
FT MOD_RES 58
FT /note="N6-(pyridoxal phosphate)lysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01201,
FT ECO:0000256|PIRSR:PIRSR600821-50"
SQ SEQUENCE 396 AA; 43320 MW; 4D62BC1043944E92 CRC64;
MLSRKQQTSG VADNQQCDTY AWFSQRAWVE IDLGALSYNV QQLVKFLSPR TQLMAVVKAD
AYGHGAVTVA QTALESGASW LGVATVPEGI QLREGGIKAP ILILGATHTP EQIHAIAHWK
LQPTLCSPKQ ALVFSNVLES MNNGSPMEVH IKLDTGMSRL GTNWQEASEF VQLVQSLPHL
AIASIYSHLA TADSPDLTAM QEQHQRFEDA IAQIKAKGIN PPCLHLANSA ATLTDTALHY
DIVRVGLAAY GLYPAPHLQN KIQLHPVLQL KARVTQVKTI APGTSVSYGH KFTAPREMRL
AVVGIGYADG VPRQLSNKMQ VLIRGQRVPQ VGTITMDQLM LDVSSIPNIQ EGEIVTLLGQ
QGREQISADD WANQLDTISW EILCGFKHRL PRIAVM
//