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Database: UniProt
Entry: A0A175Y5C8_9SPHN
LinkDB: A0A175Y5C8_9SPHN
Original site: A0A175Y5C8_9SPHN 
ID   A0A175Y5C8_9SPHN        Unreviewed;       327 AA.
AC   A0A175Y5C8;
DT   07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT   07-SEP-2016, sequence version 1.
DT   24-JAN-2024, entry version 35.
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   ORFNames=AVM11_15930 {ECO:0000313|EMBL:KZB95877.1};
OS   Sphingomonas melonis TY.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC   Sphingomonadaceae; Sphingomonas.
OX   NCBI_TaxID=621456 {ECO:0000313|EMBL:KZB95877.1, ECO:0000313|Proteomes:UP000078460};
RN   [1] {ECO:0000313|EMBL:KZB95877.1, ECO:0000313|Proteomes:UP000078460}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TY {ECO:0000313|EMBL:KZB95877.1,
RC   ECO:0000313|Proteomes:UP000078460};
RA   Wang H., Zhu P.;
RT   "Sphingomonas melonis TY, whole genome shotgun sequencing.";
RL   Submitted (MAR-2016) to the EMBL/GenBank/DDBJ databases.
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|ARBA:ARBA00005046, 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}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:KZB95877.1}.
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DR   EMBL; LQCK02000009; KZB95877.1; -; Genomic_DNA.
DR   RefSeq; WP_063113164.1; NZ_LQCK02000009.1.
DR   STRING; 621456.BJP26_07710; -.
DR   OrthoDB; 9763993at2; -.
DR   UniPathway; UPA00344; -.
DR   Proteomes; UP000078460; 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: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|ARBA:ARBA00022485, 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};
KW   S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW   Rule:MF_01225}.
FT   DOMAIN          15..240
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000259|PROSITE:PS51918"
FT   BINDING         24
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         31
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         35
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         37
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         38
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         73
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         77
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         106
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         130
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         166
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         200
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         253
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         256
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         258..260
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01225"
FT   BINDING         270
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   327 AA;  35703 MW;  56972515F811487A CRC64;
     MTSALAPSAD PLVDPQGRTI RYLRISVTDR CDLRCRYCMA EQMTFLPRAK LLTLDEIAII
     AERFIARGVT KIRLSGGEPL VRRDVADLVQ RLGRHVGAGL DELTMTTNGT RLAQYADALV
     DAGIRRINVS LDSLDPDRFR YITRHGDLTQ VLDGIAAAKR AGLAVKINAV ALAGLNEDEI
     PAMLQWCIDE GHDLSLIETM PLGAVDEDRT DRFVPLTRVF EALSARFPLY RATHRTGGXP
     RLGLISPLTA NFCDGCNRVR LTTEGKLYMC LGHDDQVDLK AALRDGGIDG LDAAIDRGLL
     RKPARHDFRI AAGAAPAVAR HMSVTGG
//
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