ID C7BP99_PHOAA Unreviewed; 176 AA.
AC C7BP99;
DT 22-SEP-2009, integrated into UniProtKB/TrEMBL.
DT 22-SEP-2009, sequence version 1.
DT 27-MAR-2024, entry version 79.
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:CAQ83089.1};
GN OrderedLocusNames=PAU_00997 {ECO:0000313|EMBL:CAQ83089.1};
OS Photorhabdus asymbiotica subsp. asymbiotica (strain ATCC 43949 / 3105-77)
OS (Xenorhabdus luminescens (strain 2)).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Morganellaceae; Photorhabdus.
OX NCBI_TaxID=553480 {ECO:0000313|EMBL:CAQ83089.1, ECO:0000313|Proteomes:UP000002747};
RN [1] {ECO:0000313|EMBL:CAQ83089.1, ECO:0000313|Proteomes:UP000002747}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43949 / 3105-77 {ECO:0000313|Proteomes:UP000002747};
RX PubMed=19583835; DOI=10.1186/1471-2164-10-302;
RA Wilkinson P., Waterfield N.R., Crossman L., Corton C.,
RA Sanchez-Contreras M., Vlisidou I., Barron A., Bignell A., Clark L.,
RA Ormond D., Mayho M., Bason N., Smith F., Simmonds M., Churcher C.,
RA Harris D., Thompson N.R., Quail M., Parkhill J., ffrench-Constant R.H.;
RT "Comparative genomics of the emerging human pathogen Photorhabdus
RT asymbiotica with the insect pathogen Photorhabdus luminescens.";
RL BMC Genomics 10:302-302(2009).
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; FM162591; CAQ83089.1; -; Genomic_DNA.
DR AlphaFoldDB; C7BP99; -.
DR STRING; 291112.PAU_00997; -.
DR KEGG; pay:PAU_00997; -.
DR eggNOG; COG0041; Bacteria.
DR UniPathway; UPA00074; UER00943.
DR Proteomes; UP000002747; Chromosome.
DR GO; GO:0034023; F:5-(carboxyamino)imidazole ribonucleotide mutase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016829; F:lyase activity; IEA:UniProtKB-KW.
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 Lyase {ECO:0000313|EMBL:CAQ83089.1};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW Rule:MF_01929}.
FT DOMAIN 15..166
FT /note="PurE"
FT /evidence="ECO:0000259|SMART:SM01001"
FT BINDING 23
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01929,
FT ECO:0000256|PIRSR:PIRSR001338-1"
FT BINDING 26
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01929,
FT ECO:0000256|PIRSR:PIRSR001338-1"
FT BINDING 53
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01929,
FT ECO:0000256|PIRSR:PIRSR001338-1"
SQ SEQUENCE 176 AA; 18663 MW; 97245F5AD1694B33 CRC64;
MTARPDSTGT AQYNAKIAIV MGSKSDWTTM QHAADILTSL DVAFHVEIVS AHRTPDKLFS
FAEQAEQKGF DVIIAGAGGA AHLPGMLAAK TLVPVLGVPV QSAALNGVDS LYSIVQMPKG
IPVGTLAIGK AGAANAALLA TQMLARHDKD LLKRLTHWRE TQTQDVLDNP DPREEV
//
