ID   MOAC_CITK8              Reviewed;         161 AA.
AC   A8AJ02;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=Cyclic pyranopterin monophosphate synthase {ECO:0000255|HAMAP-Rule:MF_01224};
DE            EC=4.6.1.17 {ECO:0000255|HAMAP-Rule:MF_01224};
DE   AltName: Full=Molybdenum cofactor biosynthesis protein C {ECO:0000255|HAMAP-Rule:MF_01224};
GN   Name=moaC {ECO:0000255|HAMAP-Rule:MF_01224}; OrderedLocusNames=CKO_02343;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the conversion of (8S)-3',8-cyclo-7,8-
CC       dihydroguanosine 5'-triphosphate to cyclic pyranopterin monophosphate
CC       (cPMP). {ECO:0000255|HAMAP-Rule:MF_01224}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(8S)-3',8-cyclo-7,8-dihydroguanosine 5'-triphosphate = cyclic
CC         pyranopterin phosphate + diphosphate; Xref=Rhea:RHEA:49580,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:59648, ChEBI:CHEBI:131766;
CC         EC=4.6.1.17; Evidence={ECO:0000255|HAMAP-Rule:MF_01224};
CC   -!- PATHWAY: Cofactor biosynthesis; molybdopterin biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_01224}.
CC   -!- SUBUNIT: Homohexamer; trimer of dimers. {ECO:0000255|HAMAP-
CC       Rule:MF_01224}.
CC   -!- SIMILARITY: Belongs to the MoaC family. {ECO:0000255|HAMAP-
CC       Rule:MF_01224}.
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DR   EMBL; CP000822; ABV13465.1; -; Genomic_DNA.
DR   RefSeq; WP_012133192.1; NC_009792.1.
DR   AlphaFoldDB; A8AJ02; -.
DR   SMR; A8AJ02; -.
DR   STRING; 290338.CKO_02343; -.
DR   EnsemblBacteria; ABV13465; ABV13465; CKO_02343.
DR   GeneID; 45136248; -.
DR   KEGG; cko:CKO_02343; -.
DR   HOGENOM; CLU_074693_1_1_6; -.
DR   OMA; IWDMVKS; -.
DR   OrthoDB; 1595361at2; -.
DR   UniPathway; UPA00344; -.
DR   Proteomes; UP000008148; Chromosome.
DR   GO; GO:0061799; F:cyclic pyranopterin monophosphate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01420; MoaC_PE; 1.
DR   Gene3D; 3.30.70.640; -; 1.
DR   HAMAP; MF_01224_B; MoaC_B; 1.
DR   InterPro; IPR023045; Mo_CF_biosynth-C.
DR   InterPro; IPR036522; MoaC_sf.
DR   InterPro; IPR002820; Mopterin_CF_biosynth-C_dom.
DR   Pfam; PF01967; MoaC; 1.
DR   SUPFAM; SSF55040; SSF55040; 1.
DR   TIGRFAMs; TIGR00581; moaC; 1.
PE   3: Inferred from homology;
KW   Lyase; Molybdenum cofactor biosynthesis; Reference proteome.
FT   CHAIN           1..161
FT                   /note="Cyclic pyranopterin monophosphate synthase"
FT                   /id="PRO_1000054086"
FT   ACT_SITE        128
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01224"
FT   BINDING         75..77
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01224"
FT   BINDING         113..114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01224"
SQ   SEQUENCE   161 AA;  17402 MW;  26A7E80328A468CF CRC64;
     MSQLTHINAA GEAHMVDVSA KAETVREARA EAFVTMRSET LAMIIDGSHH KGDVFATARI
     AGIQAAKRTW ELIPLCHPLL LSKVEVQLQA EPEHNRVRIE SLCRLTGKTG VEMEALTAAS
     VAALTIYDMC KAVQKDMVIG PVRLLAKSGG KSGDFKVDAH D