ID Q5GXV7_XANOR Unreviewed; 167 AA.
AC Q5GXV7;
DT 01-MAR-2005, integrated into UniProtKB/TrEMBL.
DT 01-MAR-2005, sequence version 1.
DT 27-MAR-2024, entry version 109.
DE RecName: Full=N5-carboxyaminoimidazole ribonucleotide mutase {ECO:0000256|HAMAP-Rule:MF_01929, ECO:0000256|PIRNR:PIRNR001338};
DE Short=N5-CAIR mutase {ECO:0000256|HAMAP-Rule:MF_01929, ECO:0000256|PIRNR:PIRNR001338};
DE EC=5.4.99.18 {ECO:0000256|HAMAP-Rule:MF_01929, ECO:0000256|PIRNR:PIRNR001338};
DE AltName: Full=5-(carboxyamino)imidazole ribonucleotide mutase {ECO:0000256|HAMAP-Rule:MF_01929};
GN Name=purE {ECO:0000256|HAMAP-Rule:MF_01929,
GN ECO:0000313|EMBL:AAW76464.1};
GN OrderedLocusNames=XOO3210 {ECO:0000313|EMBL:AAW76464.1};
OS Xanthomonas oryzae pv. oryzae (strain KACC10331 / KXO85).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Xanthomonas.
OX NCBI_TaxID=291331 {ECO:0000313|EMBL:AAW76464.1, ECO:0000313|Proteomes:UP000006735};
RN [1] {ECO:0000313|EMBL:AAW76464.1, ECO:0000313|Proteomes:UP000006735}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KACC10331 / KXO85 {ECO:0000313|Proteomes:UP000006735};
RX PubMed=15673718; DOI=10.1093/nar/gki206;
RA Lee B.M., Park Y.J., Park D.S., Kang H.W., Kim J.G., Song E.S., Park I.C.,
RA Yoon U.H., Hahn J.H., Koo B.S., Lee G.B., Kim H., Park H.S., Yoon K.O.,
RA Kim J.H., Jung C.H., Koh N.H., Seo J.S., Go S.J.;
RT "The genome sequence of Xanthomonas oryzae pathovar oryzae KACC10331, the
RT bacterial blight pathogen of rice.";
RL Nucleic Acids Res. 33:577-586(2005).
CC -!- FUNCTION: Catalyzes the conversion of N5-carboxyaminoimidazole
CC ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide
CC (CAIR). {ECO:0000256|HAMAP-Rule:MF_01929,
CC ECO:0000256|PIRNR:PIRNR001338}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole + H(+) = 5-
CC amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate;
CC Xref=Rhea:RHEA:13193, ChEBI:CHEBI:15378, ChEBI:CHEBI:58730,
CC ChEBI:CHEBI:77657; EC=5.4.99.18; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01929, ECO:0000256|PIRNR:PIRNR001338};
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 2/2.
CC {ECO:0000256|HAMAP-Rule:MF_01929, ECO:0000256|PIRNR:PIRNR001338}.
CC -!- SIMILARITY: Belongs to the AIR carboxylase family. Class I subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01929}.
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DR EMBL; AE013598; AAW76464.1; -; Genomic_DNA.
DR AlphaFoldDB; Q5GXV7; -.
DR STRING; 291331.XOO3210; -.
DR KEGG; xoo:XOO3210; -.
DR PATRIC; fig|291331.8.peg.3558; -.
DR HOGENOM; CLU_094982_2_2_6; -.
DR UniPathway; UPA00074; UER00943.
DR Proteomes; UP000006735; Chromosome.
DR GO; GO:0034023; F:5-(carboxyamino)imidazole ribonucleotide mutase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.1970; -; 1.
DR HAMAP; MF_01929; PurE_classI; 1.
DR InterPro; IPR033747; PurE_ClassI.
DR InterPro; IPR000031; PurE_dom.
DR InterPro; IPR024694; PurE_prokaryotes.
DR NCBIfam; TIGR01162; purE; 1.
DR PANTHER; PTHR23046:SF2; PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE; 1.
DR PANTHER; PTHR23046; PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE CATALYTIC SUBUNIT; 1.
DR Pfam; PF00731; AIRC; 1.
DR PIRSF; PIRSF001338; AIR_carboxylase; 1.
DR SMART; SM01001; AIRC; 1.
DR SUPFAM; SSF52255; N5-CAIR mutase (phosphoribosylaminoimidazole carboxylase, PurE); 1.
PE 3: Inferred from homology;
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_01929};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW Rule:MF_01929}; Reference proteome {ECO:0000313|Proteomes:UP000006735}.
FT DOMAIN 8..159
FT /note="PurE"
FT /evidence="ECO:0000259|SMART:SM01001"
FT BINDING 16
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01929,
FT ECO:0000256|PIRSR:PIRSR001338-1"
FT BINDING 19
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01929,
FT ECO:0000256|PIRSR:PIRSR001338-1"
FT BINDING 46
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01929,
FT ECO:0000256|PIRSR:PIRSR001338-1"
SQ SEQUENCE 167 AA; 17193 MW; 1B29E53BBBE6C46B CRC64;
MTSNHSAPLV GIVMGSRSDW ETMQHAAYKL DALGVPYEVK VVSAHRTPDV LFTYAEQAGE
RGLRAIIAGA GGAAHLPGML AAKTAVPVLG VPVQSKALNG MDSLLSIVQM PAGIPVATFA
IGNAGAANAA LFAAAMLAPE QAQIGQALGQ FRAKQTDDVM ACDDPRQ
//