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Entry: K9QZD8_NOSS7
LinkDB: K9QZD8_NOSS7
Original site: K9QZD8_NOSS7 
ID   K9QZD8_NOSS7            Unreviewed;       328 AA.
AC   K9QZD8;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   27-MAR-2024, entry version 58.
DE   RecName: Full=GTP 3',8-cyclase {ECO:0000256|ARBA:ARBA00012167, ECO:0000256|HAMAP-Rule:MF_01225};
DE            EC=4.1.99.22 {ECO:0000256|ARBA:ARBA00012167, ECO:0000256|HAMAP-Rule:MF_01225};
DE   AltName: Full=Molybdenum cofactor biosynthesis protein A {ECO:0000256|HAMAP-Rule:MF_01225};
GN   Name=moaA {ECO:0000256|HAMAP-Rule:MF_01225};
GN   OrderedLocusNames=Nos7524_4398 {ECO:0000313|EMBL:AFY50157.1};
OS   Nostoc sp. (strain ATCC 29411 / PCC 7524).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=28072 {ECO:0000313|EMBL:AFY50157.1, ECO:0000313|Proteomes:UP000010378};
RN   [1] {ECO:0000313|Proteomes:UP000010378}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29411 / PCC 7524 {ECO:0000313|Proteomes:UP000010378};
RX   PubMed=23277585; DOI=10.1073/pnas.1217107110;
RA   Shih P.M., Wu D., Latifi A., Axen S.D., Fewer D.P., Talla E., Calteau A.,
RA   Cai F., Tandeau de Marsac N., Rippka R., Herdman M., Sivonen K.,
RA   Coursin T., Laurent T., Goodwin L., Nolan M., Davenport K.W., Han C.S.,
RA   Rubin E.M., Eisen J.A., Woyke T., Gugger M., Kerfeld C.A.;
RT   "Improving the coverage of the cyanobacterial phylum using diversity-driven
RT   genome sequencing.";
RL   Proc. Natl. Acad. Sci. U.S.A. 110:1053-1058(2013).
CC   -!- FUNCTION: Catalyzes the cyclization of GTP to (8S)-3',8-cyclo-7,8-
CC       dihydroguanosine 5'-triphosphate. {ECO:0000256|HAMAP-Rule:MF_01225}.
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, ECO:0000256|HAMAP-
CC         Rule:MF_01225};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_01225};
CC       Note=Binds 2 [4Fe-4S] clusters. Binds 1 [4Fe-4S] cluster coordinated
CC       with 3 cysteines and an exchangeable S-adenosyl-L-methionine and 1
CC       [4Fe-4S] cluster coordinated with 3 cysteines and the GTP-derived
CC       substrate. {ECO:0000256|HAMAP-Rule:MF_01225};
CC   -!- PATHWAY: Cofactor biosynthesis; molybdopterin biosynthesis.
CC       {ECO:0000256|HAMAP-Rule:MF_01225}.
CC   -!- SUBUNIT: Monomer and homodimer. {ECO:0000256|HAMAP-Rule:MF_01225}.
CC   -!- SIMILARITY: Belongs to the radical SAM superfamily. MoaA family.
CC       {ECO:0000256|HAMAP-Rule:MF_01225}.
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DR   EMBL; CP003552; AFY50157.1; -; Genomic_DNA.
DR   RefSeq; WP_015140567.1; NC_019684.1.
DR   AlphaFoldDB; K9QZD8; -.
DR   STRING; 28072.Nos7524_4398; -.
DR   KEGG; nop:Nos7524_4398; -.
DR   PATRIC; fig|28072.8.peg.4813; -.
DR   eggNOG; COG2896; Bacteria.
DR   HOGENOM; CLU_009273_0_1_3; -.
DR   OrthoDB; 9763993at2; -.
DR   UniPathway; UPA00344; -.
DR   Proteomes; UP000010378; Chromosome.
DR   GO; GO:0019008; C:molybdopterin synthase complex; IEA:InterPro.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0061798; F:GTP 3',8'-cyclase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:1904047; F:S-adenosyl-L-methionine binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006777; P:Mo-molybdopterin cofactor biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01335; Radical_SAM; 1.
DR   CDD; cd21117; Twitch_MoaA; 1.
DR   Gene3D; 3.20.20.70; Aldolase class I; 1.
DR   HAMAP; MF_01225_B; MoaA_B; 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   3: Inferred from homology;
KW   4Fe-4S {ECO:0000256|HAMAP-Rule:MF_01225};
KW   GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|HAMAP-
KW   Rule:MF_01225};
KW   Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01225};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW   Rule:MF_01225};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01225};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01225};
KW   Molybdenum cofactor biosynthesis {ECO:0000256|ARBA:ARBA00023150,
KW   ECO:0000256|HAMAP-Rule:MF_01225};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_01225}; Reference proteome {ECO:0000313|Proteomes:UP000010378};
KW   S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW   Rule:MF_01225}.
FT   DOMAIN          1..229
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000259|PROSITE:PS51918"
FT   BINDING         8
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         15
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         19
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         21
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         22
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         60
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         64
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         91
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         115
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         155
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         189
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         252
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /ligand_note="4Fe-4S-substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         255
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /ligand_note="4Fe-4S-substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         257..259
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         269
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /ligand_note="4Fe-4S-substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
SQ   SEQUENCE   328 AA;  37000 MW;  C2A78A02AE57BBBC CRC64;
     MNQVDYLRIS LIDRCNFRCQ YCMPEGAELD YILKQQLLTD EELLTLIQEV FIPVGFRRFR
     LTGGEPLLRP RVVDLVGAIA SLEQTQDLAM TTNGFLLAPL AQSLYDAGLR RINISLDSLD
     PDIFDQIIGS RGRSRWQQVW DGIQAAYRVG FDPLKLNVVV IPGVNDHEIL DLAALTIDKQ
     WHVRFIEFMP IGNGELFSDR GWISSAELRQ QIRDRWGLTE SQVCGAGPAD VFQIPGAKGT
     LGFISQMSEC FCDRCNRMRL SADGWLRPCL LNETGQINLK TALRSGVSIH QLQKQVRHLL
     AIKPEINFKQ RDSGTQGTYS RTMSQIGG
//
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