ID   MOAC_METCA              Reviewed;         167 AA.
AC   Q603S0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 95.
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=MCA2730;
OS   Methylococcus capsulatus (strain ATCC 33009 / NCIMB 11132 / Bath).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Methylococcales;
OC   Methylococcaceae; Methylococcus.
OX   NCBI_TaxID=243233;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33009 / NCIMB 11132 / Bath;
RX   PubMed=15383840; DOI=10.1371/journal.pbio.0020303;
RA   Ward N.L., Larsen O., Sakwa J., Bruseth L., Khouri H.M., Durkin A.S.,
RA   Dimitrov G., Jiang L., Scanlan D., Kang K.H., Lewis M.R., Nelson K.E.,
RA   Methe B.A., Wu M., Heidelberg J.F., Paulsen I.T., Fouts D.E., Ravel J.,
RA   Tettelin H., Ren Q., Read T.D., DeBoy R.T., Seshadri R., Salzberg S.L.,
RA   Jensen H.B., Birkeland N.K., Nelson W.C., Dodson R.J., Grindhaug S.H.,
RA   Holt I.E., Eidhammer I., Jonasen I., Vanaken S., Utterback T.R.,
RA   Feldblyum T.V., Fraser C.M., Lillehaug J.R., Eisen J.A.;
RT   "Genomic insights into methanotrophy: the complete genome sequence of
RT   Methylococcus capsulatus (Bath).";
RL   PLoS Biol. 2:1616-1628(2004).
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; AE017282; AAU91196.1; -; Genomic_DNA.
DR   RefSeq; WP_010961936.1; NC_002977.6.
DR   AlphaFoldDB; Q603S0; -.
DR   SMR; Q603S0; -.
DR   STRING; 243233.MCA2730; -.
DR   EnsemblBacteria; AAU91196; AAU91196; MCA2730.
DR   KEGG; mca:MCA2730; -.
DR   eggNOG; COG0315; Bacteria.
DR   HOGENOM; CLU_074693_1_1_6; -.
DR   OMA; IWDMVKS; -.
DR   OrthoDB; 1595361at2; -.
DR   UniPathway; UPA00344; -.
DR   Proteomes; UP000006821; 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..167
FT                   /note="Cyclic pyranopterin monophosphate synthase"
FT                   /id="PRO_1000054110"
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   167 AA;  17901 MW;  281B892122EB98A6 CRC64;
     MPELTHFNTA GDAHMVDVGG KPSTTRMAVA EGYIAMLPET LRLIMAGGHE KGDVLGIARI
     AGIMGAKRTA DLIPLCHPIP ITHVDLALEP QPEASRIRCR TTVQTVGQTG VEMEALTATQ
     IALLTIYDMC KAVDRGMSIE SVRLLEKIGG KSGHWQRASG EARSSTR