ID   PYRF_NOSS1              Reviewed;         238 AA.
AC   P58639;
DT   23-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2002, sequence version 1.
DT   27-MAR-2024, entry version 105.
DE   RecName: Full=Orotidine 5'-phosphate decarboxylase {ECO:0000255|HAMAP-Rule:MF_01200};
DE            EC=4.1.1.23 {ECO:0000255|HAMAP-Rule:MF_01200};
DE   AltName: Full=OMP decarboxylase {ECO:0000255|HAMAP-Rule:MF_01200};
DE            Short=OMPDCase {ECO:0000255|HAMAP-Rule:MF_01200};
DE            Short=OMPdecase {ECO:0000255|HAMAP-Rule:MF_01200};
GN   Name=pyrF {ECO:0000255|HAMAP-Rule:MF_01200};
GN   OrderedLocusNames=alr2983;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- FUNCTION: Catalyzes the decarboxylation of orotidine 5'-monophosphate
CC       (OMP) to uridine 5'-monophosphate (UMP). {ECO:0000255|HAMAP-
CC       Rule:MF_01200}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + orotidine 5'-phosphate = CO2 + UMP;
CC         Xref=Rhea:RHEA:11596, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:57538, ChEBI:CHEBI:57865; EC=4.1.1.23;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01200};
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC       UMP from orotate: step 2/2. {ECO:0000255|HAMAP-Rule:MF_01200}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01200}.
CC   -!- SIMILARITY: Belongs to the OMP decarboxylase family. Type 1 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01200}.
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DR   EMBL; BA000019; BAB74682.1; -; Genomic_DNA.
DR   PIR; AH2178; AH2178.
DR   RefSeq; WP_010997134.1; NZ_RSCN01000003.1.
DR   AlphaFoldDB; P58639; -.
DR   SMR; P58639; -.
DR   STRING; 103690.gene:10495019; -.
DR   KEGG; ana:alr2983; -.
DR   eggNOG; COG0284; Bacteria.
DR   OrthoDB; 9806203at2; -.
DR   UniPathway; UPA00070; UER00120.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0004590; F:orotidine-5'-phosphate decarboxylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR   GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd04725; OMP_decarboxylase_like; 1.
DR   Gene3D; 3.20.20.70; Aldolase class I; 1.
DR   HAMAP; MF_01200_B; OMPdecase_type1_B; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR014732; OMPdecase.
DR   InterPro; IPR018089; OMPdecase_AS.
DR   InterPro; IPR047596; OMPdecase_bac.
DR   InterPro; IPR001754; OMPdeCOase_dom.
DR   InterPro; IPR011060; RibuloseP-bd_barrel.
DR   NCBIfam; TIGR01740; pyrF; 1.
DR   PANTHER; PTHR32119; OROTIDINE 5'-PHOSPHATE DECARBOXYLASE; 1.
DR   PANTHER; PTHR32119:SF2; OROTIDINE 5'-PHOSPHATE DECARBOXYLASE; 1.
DR   Pfam; PF00215; OMPdecase; 1.
DR   SMART; SM00934; OMPdecase; 1.
DR   SUPFAM; SSF51366; Ribulose-phoshate binding barrel; 1.
DR   PROSITE; PS00156; OMPDECASE; 1.
PE   3: Inferred from homology;
KW   Decarboxylase; Lyase; Pyrimidine biosynthesis; Reference proteome.
FT   CHAIN           1..238
FT                   /note="Orotidine 5'-phosphate decarboxylase"
FT                   /id="PRO_0000134521"
FT   ACT_SITE        61
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         11
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         32
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         59..68
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         123
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         185
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         194
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         214
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
FT   BINDING         215
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01200"
SQ   SEQUENCE   238 AA;  25472 MW;  F1794F1AF47FAF0E CRC64;
     MSNDKIIVAL DVPDTESAIA LIDKLESVTF WKVGLELFTS SGPRILEVLK SRQKRIFLDL
     KFHDIPNTVA GACRAAAGYG VDLMTIHATS GRDALKAAKE AVEEGAAQAG VKPPKLIAVT
     VLTSISARQL ALDLKIPSEL PEYALDMALM AQEMGLDGAV CSPQEVAHLR QICGDDFVLV
     CPGVRPTWAE AGDQKRSLTP SQAIQAGADY LVIGRPITAA AEPELAWKRI SQELTTVV
//