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Database: UniProt
Entry: N9VFT8_9GAMM
LinkDB: N9VFT8_9GAMM
Original site: N9VFT8_9GAMM 
ID   N9VFT8_9GAMM            Unreviewed;       374 AA.
AC   N9VFT8;
DT   26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT   26-JUN-2013, sequence version 1.
DT   24-JAN-2024, entry version 56.
DE   RecName: Full=N5-carboxyaminoimidazole ribonucleotide synthase {ECO:0000256|HAMAP-Rule:MF_01928, ECO:0000256|RuleBase:RU361200};
DE            Short=N5-CAIR synthase {ECO:0000256|HAMAP-Rule:MF_01928, ECO:0000256|RuleBase:RU361200};
DE            EC=6.3.4.18 {ECO:0000256|HAMAP-Rule:MF_01928, ECO:0000256|RuleBase:RU361200};
DE   AltName: Full=5-(carboxyamino)imidazole ribonucleotide synthetase {ECO:0000256|HAMAP-Rule:MF_01928, ECO:0000256|RuleBase:RU361200};
GN   Name=purK {ECO:0000256|HAMAP-Rule:MF_01928,
GN   ECO:0000256|RuleBase:RU361200};
GN   ORFNames=G114_18006 {ECO:0000313|EMBL:ENY70503.1};
OS   Aeromonas diversa CDC 2478-85.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Aeromonadales;
OC   Aeromonadaceae; Aeromonas.
OX   NCBI_TaxID=1268237 {ECO:0000313|EMBL:ENY70503.1, ECO:0000313|Proteomes:UP000023775};
RN   [1] {ECO:0000313|EMBL:ENY70503.1, ECO:0000313|Proteomes:UP000023775}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2478-85 {ECO:0000313|EMBL:ENY70503.1,
RC   ECO:0000313|Proteomes:UP000023775};
RX   PubMed=23792745; DOI=10.1128/genomeA.00330-13;
RA   Farfan M., Spataro N., Sanglas A., Albarral V., Loren J.G., Bosch E.,
RA   Fuste M.C.;
RT   "Draft Genome Sequence of the Aeromonas diversa Type Strain.";
RL   Genome Announc. 1:S69-S82(2013).
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|HAMAP-Rule:MF_01928}.
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|HAMAP-Rule:MF_01928,
CC         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|HAMAP-Rule:MF_01928, ECO:0000256|RuleBase:RU361200}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01928,
CC       ECO:0000256|RuleBase:RU361200}.
CC   -!- SIMILARITY: Belongs to the PurK/PurT family. {ECO:0000256|HAMAP-
CC       Rule:MF_01928, ECO:0000256|RuleBase:RU361200}.
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:ENY70503.1}.
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DR   EMBL; APVG01000071; ENY70503.1; -; Genomic_DNA.
DR   RefSeq; WP_005361666.1; NZ_CDCE01000005.1.
DR   AlphaFoldDB; N9VFT8; -.
DR   PATRIC; fig|1268237.3.peg.3532; -.
DR   eggNOG; COG0026; Bacteria.
DR   OrthoDB; 9804625at2; -.
DR   UniPathway; UPA00074; UER00942.
DR   Proteomes; UP000023775; Unassembled WGS sequence.
DR   GO; GO:0034028; F:5-(carboxyamino)imidazole ribonucleotide synthase activity; IEA:UniProtKB-UniRule.
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-UniRule.
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   HAMAP; MF_01928; PurK; 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|HAMAP-
KW   Rule:MF_01928};
KW   Ligase {ECO:0000256|HAMAP-Rule:MF_01928, ECO:0000256|RuleBase:RU361200};
KW   Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_01928, ECO:0000256|PROSITE-
KW   ProRule:PRU00409};
KW   Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW   Rule:MF_01928}.
FT   DOMAIN          108..290
FT                   /note="ATP-grasp"
FT                   /evidence="ECO:0000259|PROSITE:PS50975"
FT   BINDING         104
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT   BINDING         143
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT   BINDING         148..154
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT   BINDING         177..180
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT   BINDING         185
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT   BINDING         208
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT   BINDING         260..261
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
SQ   SEQUENCE   374 AA;  39813 MW;  C5756E8B2A7759CC CRC64;
     MILPPATLGM LGGGQLGRYF VMSAHRLGYK VIVLDPDPAS VAGAAADEQI VAAYDDAEAL
     RDLASRCVAV TCEFENVPAA SLALLEQRIP VRPAASAVRV CQDRREEKAF LARAGVPVAP
     NLTLLPGEPL PALSDDLFPA ILKTAREGYD GKGQWTLHQA DELPAALAAS GVPCVLEKRL
     PLEGEFALTL ARSPSGAISA LPLVQNWHSG GILDQTHSPA NEPALEAEAQ RIAEHIIAAL
     DYVGVLTVEF FLVGGQLLVN EMAPRPHNSG HPSIDNAGCS QFELQVRALC DLPLPAQAEV
     QPAILLNLLG DLWQEGTPDW AGALALPGVH LHLYGKGEAR PGRKMGHVTV TGRDWPRVES
     TARRLRALLG LPPR
//
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