ID Q3AP86_CHLCH Unreviewed; 333 AA.
AC Q3AP86;
DT 22-NOV-2005, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2005, sequence version 1.
DT 27-MAR-2024, entry version 116.
DE RecName: Full=GTP 3',8-cyclase {ECO:0000256|ARBA:ARBA00012167};
DE EC=4.1.99.22 {ECO:0000256|ARBA:ARBA00012167};
GN OrderedLocusNames=Cag_1941 {ECO:0000313|EMBL:ABB29189.1};
OS Chlorobium chlorochromatii (strain CaD3).
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chlorobiaceae;
OC Chlorobium/Pelodictyon group; Chlorobium.
OX NCBI_TaxID=340177 {ECO:0000313|EMBL:ABB29189.1};
RN [1] {ECO:0000313|EMBL:ABB29189.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CaD3 {ECO:0000313|EMBL:ABB29189.1};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Chlorobium chlorochromatii CaD3.";
RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=AH2 + GTP + S-adenosyl-L-methionine = (8S)-3',8-cyclo-7,8-
CC dihydroguanosine 5'-triphosphate + 5'-deoxyadenosine + A + H(+) + L-
CC methionine; Xref=Rhea:RHEA:49576, ChEBI:CHEBI:13193,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17319, ChEBI:CHEBI:17499,
CC ChEBI:CHEBI:37565, ChEBI:CHEBI:57844, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:131766; EC=4.1.99.22;
CC Evidence={ECO:0000256|ARBA:ARBA00000034};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|ARBA:ARBA00001966};
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP000108; ABB29189.1; -; Genomic_DNA.
DR AlphaFoldDB; Q3AP86; -.
DR STRING; 340177.Cag_1941; -.
DR KEGG; cch:Cag_1941; -.
DR eggNOG; COG2896; Bacteria.
DR HOGENOM; CLU_009273_0_1_10; -.
DR OrthoDB; 9763993at2; -.
DR UniPathway; UPA00344; -.
DR GO; GO:0019008; C:molybdopterin synthase complex; IEA:InterPro.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0061798; F:GTP 3',8'-cyclase activity; IEA:UniProtKB-EC.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0016787; F:hydrolase activity; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd01335; Radical_SAM; 1.
DR CDD; cd21117; Twitch_MoaA; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR006638; Elp3/MiaA/NifB-like_rSAM.
DR InterPro; IPR013483; MoaA.
DR InterPro; IPR000385; MoaA_NifB_PqqE_Fe-S-bd_CS.
DR InterPro; IPR010505; MoaA_twitch.
DR InterPro; IPR007197; rSAM.
DR NCBIfam; TIGR02666; moaA; 1.
DR PANTHER; PTHR22960:SF0; MOLYBDENUM COFACTOR BIOSYNTHESIS PROTEIN 1; 1.
DR PANTHER; PTHR22960; MOLYBDOPTERIN COFACTOR SYNTHESIS PROTEIN A; 1.
DR Pfam; PF13353; Fer4_12; 1.
DR Pfam; PF06463; Mob_synth_C; 1.
DR Pfam; PF04055; Radical_SAM; 1.
DR SFLD; SFLDG01383; cyclic_pyranopterin_phosphate; 1.
DR SFLD; SFLDG01072; dehydrogenase_like; 1.
DR SMART; SM00729; Elp3; 1.
DR SUPFAM; SSF102114; Radical SAM enzymes; 1.
DR PROSITE; PS01305; MOAA_NIFB_PQQE; 1.
DR PROSITE; PS51918; RADICAL_SAM; 1.
PE 4: Predicted;
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134};
KW Hydrolase {ECO:0000313|EMBL:ABB29189.1};
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Molybdenum cofactor biosynthesis {ECO:0000256|ARBA:ARBA00023150};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691}.
FT DOMAIN 14..228
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
FT REGION 314..333
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 333 AA; 37224 MW; 6DA47E5CB61D32B8 CRC64;
MDEPYATSQP LFDTFQRQIT YARLAVTSAC NLRCGYCLSE AHEPATLHQP LLSTAELCTI
IELLAKHGIQ KLRFTGGEPL LRSDIVALIA MARQHSSIRT IGLTTNGLLL LPLLPRLLDA
GLDSVNLSLD TLNRHRYFQI TRRDLFPQAE AALHALLATP SLSVKLNVVM LRGINSDELT
GFVELTKEHN ITVRFLELQP FDDHQIWKTG RFLRADRLEE MLLHAYPALQ RVQGEATQHF
SYCLSNYKGA LAIIPAYTRA FCEQCNRLRI TSSGKLISCL YEKDGLELLP LLRNGAKPEE
FAALLQQAVL RKPANGHQRH TGAVRTSMSE IGG
//
