ID E3G681_ENTLS Unreviewed; 356 AA.
AC E3G681;
DT 11-JAN-2011, integrated into UniProtKB/TrEMBL.
DT 11-JAN-2011, sequence version 1.
DT 27-MAR-2024, entry version 79.
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 OrderedLocusNames=Entcl_3295 {ECO:0000313|EMBL:ADO49540.1};
OS Enterobacter lignolyticus (strain SCF1).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Pluralibacter.
OX NCBI_TaxID=701347 {ECO:0000313|EMBL:ADO49540.1, ECO:0000313|Proteomes:UP000006872};
RN [1] {ECO:0000313|Proteomes:UP000006872}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCF1 {ECO:0000313|Proteomes:UP000006872};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Davenport K., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Chang Y.-J., Jeffries C., Kyrpides N., Ivanova N.,
RA Mikhailova N., DeAngelis K., Arkin A.P., Chivian D., Edwards B., Woo H.,
RA Hazen T.C., Woyke T.;
RT "Complete sequence of Enterobacter cloacae SCF1.";
RL Submitted (OCT-2010) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADO49540.1, ECO:0000313|Proteomes:UP000006872}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SCF1 {ECO:0000313|EMBL:ADO49540.1,
RC ECO:0000313|Proteomes:UP000006872};
RX PubMed=22180812; DOI=10.4056/sigs.2104875;
RA Deangelis K.M., D'Haeseleer P., Chivian D., Fortney J.L., Khudyakov J.,
RA Simmons B., Woo H., Arkin A.P., Davenport K.W., Goodwin L., Chen A.,
RA Ivanova N., Kyrpides N.C., Mavromatis K., Woyke T., Hazen T.C.;
RT "Complete genome sequence of "Enterobacter lignolyticus" SCF1.";
RL Stand. Genomic Sci. 5:69-85(2011).
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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP002272; ADO49540.1; -; Genomic_DNA.
DR RefSeq; WP_013367269.1; NC_014618.1.
DR AlphaFoldDB; E3G681; -.
DR STRING; 701347.Entcl_3295; -.
DR KEGG; esc:Entcl_3295; -.
DR eggNOG; COG0026; Bacteria.
DR HOGENOM; CLU_011534_0_0_6; -.
DR UniPathway; UPA00074; UER00942.
DR Proteomes; UP000006872; Chromosome.
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 Lyase {ECO:0000313|EMBL:ADO49540.1};
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}; Reference proteome {ECO:0000313|Proteomes:UP000006872}.
FT DOMAIN 84..267
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
FT BINDING 80
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 120
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 125..131
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 153..156
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 161
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 184
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 237..238
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
SQ SEQUENCE 356 AA; 39244 MW; B5737667D7D14011 CRC64;
MKQVCVLGNG QLGRMLRQAG EPLGISVWPV GLEADPEAVP FQQSVITAEI ERWPETALTR
ELARHSAFVN RDVFPIIADR LTQKQLFDKL NLATAPWQLL ADKSVWPAVF DKLGELAIVK
RRTGGYDGRG QWRLRDGETD QLPDDCYGEC IVEQGINFSG EVSLVGARAQ DGSTVFYPLT
HNLHQDGILR VSVAFPQANI QQQTQAESML SAIMHELNYV GVMAMECFIT PAGLLINELA
PRVHNSGHWT QNGASISQFE LHLRGVTGLP LPKPVVNSPS VMVNLIGTDL NYDWLKLPLV
HLHWYDKEVR PGRKVGHLNL SDCDAGHLSA TLEALIPLLP PEYASGIAWA QSKLGA
//
