ID C6YSB9_9GAMM Unreviewed; 365 AA.
AC C6YSB9;
DT 22-SEP-2009, integrated into UniProtKB/TrEMBL.
DT 22-SEP-2009, sequence version 1.
DT 24-JAN-2024, entry version 62.
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:AJI75344.1};
GN ORFNames=BZ13_1640 {ECO:0000313|EMBL:AJI75344.1};
OS Francisella philomiragia subsp. philomiragia ATCC 25015.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Francisellaceae; Francisella.
OX NCBI_TaxID=539329 {ECO:0000313|EMBL:AJI75344.1, ECO:0000313|Proteomes:UP000031897};
RN [1] {ECO:0000313|EMBL:AJI75344.1, ECO:0000313|Proteomes:UP000031897}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=O#319L {ECO:0000313|EMBL:AJI75344.1,
RC ECO:0000313|Proteomes:UP000031897};
RX PubMed=25931589;
RA Johnson S.L., Daligault H.E., Davenport K.W., Coyne S.R., Frey K.G.,
RA Koroleva G.I., Broomall S.M., Bishop-Lilly K.A., Bruce D.C., Chertkov O.,
RA Freitas T., Jaissle J., Ladner J.T., Rosenzweig C.N., Gibbons H.S.,
RA Palacios G.F., Redden C.L., Xu Y., Minogue T.D., Chain P.S.;
RT "Genome sequencing of 18 francisella strains to aid in assay development
RT and testing.";
RL Genome Announc. 3:0-0(2015).
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; CP010019; AJI75344.1; -; Genomic_DNA.
DR RefSeq; WP_004286424.1; NZ_DS999311.1.
DR AlphaFoldDB; C6YSB9; -.
DR KEGG; fpt:BZ13_1640; -.
DR PATRIC; fig|539329.6.peg.1608; -.
DR HOGENOM; CLU_011534_0_1_6; -.
DR UniPathway; UPA00074; UER00942.
DR Proteomes; UP000031897; 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:AJI75344.1};
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}.
FT DOMAIN 102..288
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
FT BINDING 98
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 138
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 143..149
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 175..178
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 183
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 206
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 258..259
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
SQ SEQUENCE 365 AA; 40351 MW; 60DAD6365E728D09 CRC64;
MKIGIIGAGQ LARMLSIAGT PLGLEFHCLG KTGDCAEEVV KSVTDIDLDQ INDVVTWAKQ
FDVITFENEN ISHELIKAIN HDVNVYPSAK AIAISQDRLL EKSFMQDHGI ATAKFVNIDS
LDKLEKAVQD YGLPAIVKTR RFGYDGKGQF VMKSQEDVSK AWDALKNAPD DLIYEAFVDF
DYEVSQICTA DIKGNIAFYP LAKNTHKQGI IVESEAPFEN PVLAEKAQQI AKTLVKEFAY
VGTLAIEFFV KGDELIVNEI APRVHNSGHW SIDGSITSQF ENHVRAIAGL ILGDTTSCKT
VMLNCIGGMP ATKDLAALDR VKIHSYNKEP RKGRKVGHLN LNLNDETDAY QLLQAKKLIE
LSQEL
//
