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Database: UniProt
Entry: Q1D9B9_MYXXD
LinkDB: Q1D9B9_MYXXD
Original site: Q1D9B9_MYXXD 
ID   Q1D9B9_MYXXD            Unreviewed;       165 AA.
AC   Q1D9B9;
DT   11-JUL-2006, integrated into UniProtKB/TrEMBL.
DT   11-JUL-2006, sequence version 1.
DT   13-SEP-2023, entry version 115.
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:ABF90143.1};
GN   OrderedLocusNames=MXAN_2535 {ECO:0000313|EMBL:ABF90143.1};
OS   Myxococcus xanthus (strain DK1622).
OC   Bacteria; Myxococcota; Myxococcia; Myxococcales; Cystobacterineae;
OC   Myxococcaceae; Myxococcus.
OX   NCBI_TaxID=246197 {ECO:0000313|EMBL:ABF90143.1, ECO:0000313|Proteomes:UP000002402};
RN   [1] {ECO:0000313|EMBL:ABF90143.1, ECO:0000313|Proteomes:UP000002402}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DK1622 {ECO:0000313|Proteomes:UP000002402};
RX   PubMed=17015832; DOI=10.1073/pnas.0607335103;
RA   Goldman B.S., Nierman W.C., Kaiser D., Slater S.C., Durkin A.S.,
RA   Eisen J.A., Ronning C.M., Barbazuk W.B., Blanchard M., Field C.,
RA   Halling C., Hinkle G., Iartchuk O., Kim H.S., Mackenzie C., Madupu R.,
RA   Miller N., Shvartsbeyn A., Sullivan S.A., Vaudin M., Wiegand R.,
RA   Kaplan H.B.;
RT   "Evolution of sensory complexity recorded in a myxobacterial genome.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15200-15205(2006).
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}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01929}.
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DR   EMBL; CP000113; ABF90143.1; -; Genomic_DNA.
DR   RefSeq; WP_011552605.1; NC_008095.1.
DR   AlphaFoldDB; Q1D9B9; -.
DR   STRING; 246197.MXAN_2535; -.
DR   EnsemblBacteria; ABF90143; ABF90143; MXAN_2535.
DR   GeneID; 41359913; -.
DR   KEGG; mxa:MXAN_2535; -.
DR   eggNOG; COG0041; Bacteria.
DR   HOGENOM; CLU_094982_2_2_7; -.
DR   OMA; SNSIDGW; -.
DR   OrthoDB; 9791908at2; -.
DR   UniPathway; UPA00074; UER00943.
DR   Proteomes; UP000002402; 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; AIR 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:ABF90143.1};
KW   Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW   Rule:MF_01929}; Reference proteome {ECO:0000313|Proteomes:UP000002402}.
FT   DOMAIN          7..158
FT                   /note="PurE"
FT                   /evidence="ECO:0000259|SMART:SM01001"
FT   BINDING         18
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01929"
FT   BINDING         45
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01929"
SQ   SEQUENCE   165 AA;  17393 MW;  215B8A6FD93412AA CRC64;
     MASTVTPWVG VIMGGRSDLE HLQPAVDILK ELGIPHEVRV VSAHRTPDWM MEYASTAESR
     GLSVIIAAAG GAAHLPGMVS SKTLLPVIGV PMPTTLLSGL DALLSIVQMP KGVPVGTQAI
     GKPGAANAAL HAAAILCLKY PELRERLAAW RKARTDEVLA HRELS
//
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