ID A0A1G7MYU3_9SPHI Unreviewed; 329 AA.
AC A0A1G7MYU3;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
DE RecName: Full=GTP 3',8-cyclase {ECO:0000256|ARBA:ARBA00012167};
DE EC=4.1.99.22 {ECO:0000256|ARBA:ARBA00012167};
GN ORFNames=SAMN05192573_10183 {ECO:0000313|EMBL:SDF66882.1};
OS Mucilaginibacter gossypii.
OC Bacteria; Bacteroidota; Sphingobacteriia; Sphingobacteriales;
OC Sphingobacteriaceae; Mucilaginibacter.
OX NCBI_TaxID=551996 {ECO:0000313|EMBL:SDF66882.1, ECO:0000313|Proteomes:UP000199705};
RN [1] {ECO:0000313|EMBL:SDF66882.1, ECO:0000313|Proteomes:UP000199705}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Gh-67 {ECO:0000313|EMBL:SDF66882.1,
RC ECO:0000313|Proteomes:UP000199705};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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 -!- PATHWAY: Cofactor biosynthesis; molybdopterin biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005046}.
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DR EMBL; FNCG01000001; SDF66882.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G7MYU3; -.
DR STRING; 551996.SAMN05192573_10183; -.
DR UniPathway; UPA00344; -.
DR Proteomes; UP000199705; Unassembled WGS sequence.
DR GO; GO:0019008; C:molybdopterin synthase complex; IEA:InterPro.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:InterPro.
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: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; PF06463; Mob_synth_C; 1.
DR Pfam; PF04055; Radical_SAM; 1.
DR SFLD; SFLDG01383; cyclic_pyranopterin_phosphate; 1.
DR SFLD; SFLDG01216; thioether_bond_formation_requi; 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 4Fe-4S {ECO:0000256|ARBA:ARBA00022485};
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134};
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 5..218
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
SQ SEQUENCE 329 AA; 36914 MW; 0F35067229275B2F CRC64;
MLKDNHGRKI SYMRLAVTDR CNLRCFYCMP EDGLNWLSRA ELMTYEEMLR SCSLLVKMGI
EKIRITGGEP FVRKDIMHLL TAISRLDGLK ELGLTTNGVL TAPYVPELKK IGVRSINLSL
DTLDANRFFT ITRRDEFASV MTALDAMLSH DMEVKINAVV MDGKNIQDII PLVELAKELP
VSVRFIEEMP FNGDGHVYDG LHWDYLRILD EIKSKYPQIK KLDDPAYSTS YNYQVPGHKG
TIGIIAAYSR TFCGSCNRIR ITPQGGLKTC LYDDGVLNLK DLMRAGASDE VLEDALLTAF
GHRPADGWEA ERARVAKTGI HESMATIGG
//