ID A0A261G9T7_9BIFI Unreviewed; 385 AA.
AC A0A261G9T7;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 28.
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, ECO:0000313|EMBL:QOL31767.1};
GN ORFNames=BE0216_04260 {ECO:0000313|EMBL:QOL31767.1}, BEUL_1187
GN {ECO:0000313|EMBL:OZG68174.1};
OS Bifidobacterium eulemuris.
OC Bacteria; Actinomycetota; Actinomycetes; Bifidobacteriales;
OC Bifidobacteriaceae; Bifidobacterium.
OX NCBI_TaxID=1765219 {ECO:0000313|EMBL:OZG68174.1, ECO:0000313|Proteomes:UP000216057};
RN [1] {ECO:0000313|EMBL:OZG68174.1, ECO:0000313|Proteomes:UP000216057}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 100216 {ECO:0000313|EMBL:OZG68174.1,
RC ECO:0000313|Proteomes:UP000216057};
RX PubMed=28764658; DOI=10.1186/s12864-017-3955-4;
RA Lugli G.A., Milani C., Turroni F., Duranti S., Mancabelli L.,
RA Mangifesta M., Ferrario C., Modesto M., Mattarelli P., Jiri K.,
RA van Sinderen D., Ventura M.;
RT "Comparative genomic and phylogenomic analyses of the Bifidobacteriaceae
RT family.";
RL BMC Genomics 18:568-568(2017).
RN [2] {ECO:0000313|EMBL:QOL31767.1, ECO:0000313|Proteomes:UP000593943}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 100216 {ECO:0000313|EMBL:QOL31767.1,
RC ECO:0000313|Proteomes:UP000593943};
RA Kim J.;
RT "Genome sequencing of Bifidobacterium eulemuris_DSMZ_100216.";
RL Submitted (OCT-2020) 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|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}.
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DR EMBL; MWWZ01000006; OZG68174.1; -; Genomic_DNA.
DR EMBL; CP062938; QOL31767.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A261G9T7; -.
DR KEGG; beu:BE0216_04260; -.
DR OrthoDB; 9804625at2; -.
DR UniPathway; UPA00074; UER00942.
DR Proteomes; UP000216057; Unassembled WGS sequence.
DR Proteomes; UP000593943; 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 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 121..306
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
FT BINDING 117
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 157
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 162..168
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 192..195
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 200
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 222
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 276..277
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
SQ SEQUENCE 385 AA; 41665 MW; 36C818CCC9EA32D5 CRC64;
MPSLSEETKG RVSALMPGST IGIVGGGQLG RMMALSARYM GFKVGVLDPT ENCPTAQVAD
FQVTAAYDDT AAIRELAERC DVLTYEFENV NADAIDEVRH LAAAPQGTDL LRVTQDRVNE
KQFINDHGTD TAPWRAVNSI GELESALGEI GYPAVLKTRS GGYDGHGQTV LRSTADLDEV
RGFEDFAPSI LEGFVDFAFE ASILVAGNGK DFVTFPIVRN EHRNNILHMT IAPAEVSEDV
AQAAHELALR LADGFALAGT LAIELFVTED GRVIVNELAP RPHNSGHYTI EACSIDQFDA
HVRGIAGWPM PQPKLLSPAV MVNVLGQHVE PTRALICEHP EWNVHDYGKA ESRHDRKMGH
ITVLADDTAA AVAALEATGC WDDLR
//
