ID B5IMZ3_9CYAN Unreviewed; 246 AA.
AC B5IMZ3;
DT 14-OCT-2008, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2008, sequence version 1.
DT 24-JAN-2024, entry version 80.
DE RecName: Full=Orotidine 5'-phosphate decarboxylase {ECO:0000256|HAMAP-Rule:MF_01200};
DE EC=4.1.1.23 {ECO:0000256|HAMAP-Rule:MF_01200};
DE AltName: Full=OMP decarboxylase {ECO:0000256|HAMAP-Rule:MF_01200};
DE Short=OMPDCase {ECO:0000256|HAMAP-Rule:MF_01200};
DE Short=OMPdecase {ECO:0000256|HAMAP-Rule:MF_01200};
GN Name=pyrF {ECO:0000256|HAMAP-Rule:MF_01200,
GN ECO:0000313|EMBL:EDY38673.1};
GN ORFNames=CPCC7001_1552 {ECO:0000313|EMBL:EDY38673.1};
OS Cyanobium sp. PCC 7001.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales;
OC Prochlorococcaceae; Cyanobium.
OX NCBI_TaxID=180281 {ECO:0000313|EMBL:EDY38673.1, ECO:0000313|Proteomes:UP000003950};
RN [1] {ECO:0000313|EMBL:EDY38673.1, ECO:0000313|Proteomes:UP000003950}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7001 {ECO:0000313|EMBL:EDY38673.1,
RC ECO:0000313|Proteomes:UP000003950};
RA Lily E., Ferriera S., Johnson J., Kravitz S., Beeson K., Sutton G.,
RA Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RL Submitted (JUL-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the decarboxylation of orotidine 5'-monophosphate
CC (OMP) to uridine 5'-monophosphate (UMP).
CC {ECO:0000256|ARBA:ARBA00002356, ECO:0000256|HAMAP-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:0000256|ARBA:ARBA00001419, ECO:0000256|HAMAP-
CC Rule:MF_01200, ECO:0000256|RuleBase:RU000512};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC UMP from orotate: step 2/2. {ECO:0000256|ARBA:ARBA00004861,
CC ECO:0000256|HAMAP-Rule:MF_01200, ECO:0000256|RuleBase:RU000512}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01200}.
CC -!- SIMILARITY: Belongs to the OMP decarboxylase family. Type 1 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01200}.
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DR EMBL; DS990556; EDY38673.1; -; Genomic_DNA.
DR AlphaFoldDB; B5IMZ3; -.
DR STRING; 180281.CPCC7001_1552; -.
DR eggNOG; COG0284; Bacteria.
DR HOGENOM; CLU_067069_1_0_3; -.
DR UniPathway; UPA00070; UER00120.
DR Proteomes; UP000003950; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022793, ECO:0000256|HAMAP-
KW Rule:MF_01200};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01200};
KW Pyrimidine biosynthesis {ECO:0000256|ARBA:ARBA00022975, ECO:0000256|HAMAP-
KW Rule:MF_01200}; Reference proteome {ECO:0000313|Proteomes:UP000003950}.
FT DOMAIN 16..241
FT /note="Orotidine 5'-phosphate decarboxylase"
FT /evidence="ECO:0000259|SMART:SM00934"
FT ACT_SITE 72
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 22
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 43
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 70..79
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 134
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 196
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 205
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 225
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
FT BINDING 226
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01200"
SQ SEQUENCE 246 AA; 25164 MW; 0B2A7D9F56EA233E CRC64;
MRSAAPVPGA LDSADRLILA LDGMEPDRAG RLVAAIPDLR WVKVGLELFV NAGPSVVLRL
REAGLQVFLD LKFHDIPATM AGACRRAAAL GAQLITVHAA AGSEALAAAQ AAADQGAAEA
GLPCPCLLAV TVLTSWDPHR FQAELAVQEP VERHVPRLAA LAAEAGIGGA VCSPLEVALL
RQAHPEPFRL VTPGIRPAGV ASGDQRRTMT PGQALAAGAS QLVVGRPITA APDPAEAFAA
CCAELG
//
