ID A0A0N1MQ84_9SPHN Unreviewed; 354 AA.
AC A0A0N1MQ84;
DT 09-DEC-2015, integrated into UniProtKB/TrEMBL.
DT 09-DEC-2015, sequence version 1.
DT 24-JAN-2024, entry version 35.
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=ADT71_27835 {ECO:0000313|EMBL:KPH57406.1}, EDF59_10130
GN {ECO:0000313|EMBL:TCM42929.1};
OS Novosphingobium sp. ST904.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Novosphingobium.
OX NCBI_TaxID=1684385 {ECO:0000313|EMBL:KPH57406.1, ECO:0000313|Proteomes:UP000037878};
RN [1] {ECO:0000313|EMBL:KPH57406.1, ECO:0000313|Proteomes:UP000037878}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ST904 {ECO:0000313|EMBL:KPH57406.1,
RC ECO:0000313|Proteomes:UP000037878};
RA Thijs S., Bottos E.M., Van Hamme J.D., Gkorezis P., Rineau F.,
RA Vangronsveld J.;
RT "Novosphingobium nitrophenolicus strain ST904 degrades p-nitrophenol and
RT stimulates plant growth.";
RL Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:TCM42929.1, ECO:0000313|Proteomes:UP000295740}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ST904 {ECO:0000313|EMBL:TCM42929.1,
RC ECO:0000313|Proteomes:UP000295740};
RA Whitman W.;
RT "Genomic Encyclopedia of Type Strains, Phase IV (KMG-V): Genome sequencing
RT to study the core and pangenomes of soil and plant-associated
RT prokaryotes.";
RL Submitted (MAR-2019) 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}.
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:KPH57406.1}.
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DR EMBL; LGJH01000166; KPH57406.1; -; Genomic_DNA.
DR EMBL; SLVC01000001; TCM42929.1; -; Genomic_DNA.
DR RefSeq; WP_054442017.1; NZ_SLVC01000001.1.
DR AlphaFoldDB; A0A0N1MQ84; -.
DR STRING; 1684385.ADT71_27835; -.
DR PATRIC; fig|1684385.3.peg.31; -.
DR OrthoDB; 9804625at2; -.
DR UniPathway; UPA00074; UER00942.
DR Proteomes; UP000037878; Unassembled WGS sequence.
DR Proteomes; UP000295740; 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 Lyase {ECO:0000313|EMBL:KPH57406.1};
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:UP000037878}.
FT DOMAIN 107..291
FT /note="ATP-grasp"
FT /evidence="ECO:0000259|PROSITE:PS50975"
FT BINDING 103
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 176..179
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 207
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
FT BINDING 261..262
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01928"
SQ SEQUENCE 354 AA; 37775 MW; 61C8A3526D0E79CA CRC64;
MIPPGETIGI LGGGQLGRMI AMAAAQLGYR SHIYAPEADS IAAEVSAEFT CAAWDDTEAM
ARFAAGCAVV TYEFENVPVG PLAALGDVPL LAHARALETA QDRLNEKRFV TDLGGTPAPF
APVDSAEDLA RAIAEIGAPG ILKTRRDGYD GKGQWRIMTP ADAEGLDLPA QPLIYEGFVT
FFAEFSVILC RGADGDIRYF DSAHNVHESG ILALSTVPAP QRLLEQVPAA RELAAKVAEA
LDYVGVLTLE FFATENGPVF NEMAPRVHNS GHWTIEGAVT SQFENHVRAI CGLPLGDTGL
AADAVEMRNL IGDEADDWAA ILADPANHLH LYGKGAARPG RKMGHVTRLT FERD
//
