AC MF_01224; DC Protein; auto c? TR HAMAP; MF_01224_B; -; 1; level=0 c? TR HAMAP; MF_01224_A; -; 1; level=0 XX Names: MoaC XX ID MOAC case DE RecName: Full=Cyclic pyranopterin monophosphate synthase; DE EC=4.6.1.17; DE AltName: Full=Molybdenum cofactor biosynthesis protein C; end case case DE RecName: Full=Probable cyclic pyranopterin monophosphate synthase; DE EC=4.6.1.17; DE AltName: Full=Molybdenum cofactor biosynthesis protein C; end case GN Name=moaC; XX CC -!- FUNCTION: Catalyzes the conversion of (8S)-3',8-cyclo-7,8- CC dihydroguanosine 5'-triphosphate to cyclic pyranopterin monophosphate CC (cPMP). 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; CC -!- PATHWAY: Cofactor biosynthesis; molybdopterin biosynthesis. CC -!- SUBUNIT: Homohexamer; trimer of dimers. CC -!- SIMILARITY: Belongs to the MoaC family. XX DR Pfam; PF01967; MoaC; 1; trigger=no DR NCBIfam; TIGR00581; MoaC; 1; trigger=no XX KW Lyase KW Molybdenum cofactor biosynthesis XX GO GO:0061799; F:cyclic pyranopterin monophosphate synthase activity GO GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process XX FT From: MOAC_ECOLI (P0A738) case FT BINDING 75..77 FT /ligand="substrate" FT Condition: [LMYF]-x-H FT BINDING 113..114 FT /ligand="substrate" FT Condition: [MI]-E FT ACT_SITE 128 FT Condition: D end case FT From: MOAC_METTH (O26900) case FT BINDING 77..79 FT /ligand="substrate" FT Condition: [LMY]-x-H FT BINDING 113..114 FT /ligand="substrate" FT Condition: M-[ED] FT ACT_SITE 128 FT Condition: D end case XX case Size: 155-177; end case case Size: 143-163; end case Related: None; Template: P0A738; Q2FVX9; Scope: Bacteria Archaea Fusion: Nter: None Cter: MF_01226 (moaB); MF_00316 (mobA); Duplicate: in MYCTU Plasmid: in ARTNI Comments: Divergent PYRAE; sequence not included in alignment and not taken into account in size range. Unknown C-terminal domain in AQUAE. XX # Revision 1.28 2023/06/01 //