ID H2C7K9_9CREN Unreviewed; 339 AA.
AC H2C7K9;
DT 21-MAR-2012, integrated into UniProtKB/TrEMBL.
DT 21-MAR-2012, sequence version 1.
DT 24-JAN-2024, entry version 42.
DE RecName: Full=N5-carboxyaminoimidazole ribonucleotide synthase {ECO:0000256|RuleBase:RU361200};
DE Short=N5-CAIR synthase {ECO:0000256|RuleBase:RU361200};
DE EC=6.3.4.18 {ECO:0000256|RuleBase:RU361200};
DE AltName: Full=5-(carboxyamino)imidazole ribonucleotide synthetase {ECO:0000256|RuleBase:RU361200};
GN Name=purK {ECO:0000256|RuleBase:RU361200};
GN ORFNames=MetMK1DRAFT_00025580 {ECO:0000313|EMBL:EHP68135.1};
OS Metallosphaera yellowstonensis MK1.
OC Archaea; Thermoproteota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC Metallosphaera.
OX NCBI_TaxID=671065 {ECO:0000313|EMBL:EHP68135.1, ECO:0000313|Proteomes:UP000003980};
RN [1] {ECO:0000313|EMBL:EHP68135.1, ECO:0000313|Proteomes:UP000003980}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MK1 {ECO:0000313|EMBL:EHP68135.1,
RC ECO:0000313|Proteomes:UP000003980};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Cheng J.-F., Goodwin L., Pitluck S., Peters L.,
RA Teshima H., Detter J.C., Han C., Tapia R., Land M., Hauser L., Kyrpides N.,
RA Kozubal M., Macur R.E., Jay Z., Inskeep W., Woyke T.;
RT "Improved High-Quality Draft sequence of Metallosphaera yellowstonensis
RT MK1.";
RL Submitted (JAN-2012) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the ATP-dependent conversion of 5-aminoimidazole
CC ribonucleotide (AIR) and HCO(3)- to N5-carboxyaminoimidazole
CC ribonucleotide (N5-CAIR). {ECO:0000256|RuleBase:RU361200}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-amino-1-(5-phospho-beta-D-ribosyl)imidazole + ATP +
CC hydrogencarbonate = 5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole +
CC ADP + 2 H(+) + phosphate; Xref=Rhea:RHEA:19317, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17544, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:58730, ChEBI:CHEBI:137981, ChEBI:CHEBI:456216;
CC EC=6.3.4.18; Evidence={ECO:0000256|RuleBase:RU361200};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-
CC phospho-D-ribosyl)imidazole (N5-CAIR route): step 1/2.
CC {ECO:0000256|RuleBase:RU361200}.
CC -!- SIMILARITY: Belongs to the PurK/PurT family.
CC {ECO:0000256|RuleBase:RU361200}.
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DR EMBL; JH597770; EHP68135.1; -; Genomic_DNA.
DR AlphaFoldDB; H2C7K9; -.
DR STRING; 671065.MetMK1DRAFT_00025580; -.
DR eggNOG; arCOG01597; Archaea.
DR HOGENOM; CLU_011534_0_0_2; -.
DR UniPathway; UPA00074; UER00942.
DR Proteomes; UP000003980; Unassembled WGS sequence.
DR GO; GO:0034028; F:5-(carboxyamino)imidazole ribonucleotide synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:InterPro.
DR GO; GO:0004638; F:phosphoribosylaminoimidazole carboxylase activity; IEA:InterPro.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.40.50.20; -; 1.
DR Gene3D; 3.30.1490.20; ATP-grasp fold, A domain; 1.
DR Gene3D; 3.30.470.20; ATP-grasp fold, B domain; 1.
DR InterPro; IPR011761; ATP-grasp.
DR InterPro; IPR003135; ATP-grasp_carboxylate-amine.
DR InterPro; IPR013815; ATP_grasp_subdomain_1.
DR InterPro; IPR016185; PreATP-grasp_dom_sf.
DR InterPro; IPR005875; PurK.
DR InterPro; IPR040686; PurK_C.
DR InterPro; IPR011054; Rudment_hybrid_motif.
DR NCBIfam; TIGR01161; purK; 1.
DR PANTHER; PTHR11609:SF5; PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE; 1.
DR PANTHER; PTHR11609; PURINE BIOSYNTHESIS PROTEIN 6/7, PUR6/7; 1.
DR Pfam; PF02222; ATP-grasp; 1.
DR Pfam; PF17769; PurK_C; 1.
DR SUPFAM; SSF56059; Glutathione synthetase ATP-binding domain-like; 1.
DR SUPFAM; SSF52440; PreATP-grasp domain; 1.
DR SUPFAM; SSF51246; Rudiment single hybrid motif; 1.
DR PROSITE; PS50975; ATP_GRASP; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PROSITE-
KW ProRule:PRU00409}; Ligase {ECO:0000256|RuleBase:RU361200};
KW Nucleotide-binding {ECO:0000256|PROSITE-ProRule:PRU00409,
KW ECO:0000256|RuleBase:RU361200};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755,
KW ECO:0000256|RuleBase:RU361200};
KW Reference proteome {ECO:0000313|Proteomes:UP000003980}.
FT DOMAIN 82..261
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
SQ SEQUENCE 339 AA; 39060 MW; 356C72F08A8266E3 CRC64;
MILEGRKFPI TFLVYAEKGE PACRIADLCF KESYEKVIEE CDIVTFEFEH VDEAPLQLAE
DLGKLLPRLN SVVLKRARHL EKEFLKREGF PVPRFVTVEG GDEALRVLRD EFNNVGVVKK
SEGGYDGRGQ YFIRGDPDRY QFLREERGLF VVEELVNYDF EASIIAVRSG NEFRAYPPTF
NYNEKGILVY NYGPYGNPEM IRLAEKLTEK LNYVGVMGIE FFIRRGKVMI NEYAPRVHNT
GHYTLDGAEI SQFEHHLRAI TGMELGETRL LSPSGMVNLL GVHYPPMDVL RYGSVYWYGK
EVRRRRKVGH VNVVGKDLED VRAKIENVMK LTYPNGLDL
//
