ID   PUR5_ENTFA              Reviewed;         343 AA.
AC   Q833Z1;
DT   28-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 104.
DE   RecName: Full=Phosphoribosylformylglycinamidine cyclo-ligase {ECO:0000255|HAMAP-Rule:MF_00741};
DE            EC=6.3.3.1 {ECO:0000255|HAMAP-Rule:MF_00741};
DE   AltName: Full=AIR synthase {ECO:0000255|HAMAP-Rule:MF_00741};
DE   AltName: Full=AIRS {ECO:0000255|HAMAP-Rule:MF_00741};
DE   AltName: Full=Phosphoribosyl-aminoimidazole synthetase {ECO:0000255|HAMAP-Rule:MF_00741};
GN   Name=purM {ECO:0000255|HAMAP-Rule:MF_00741}; OrderedLocusNames=EF_1780;
OS   Enterococcus faecalis (strain ATCC 700802 / V583).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Enterococcaceae;
OC   Enterococcus.
OX   NCBI_TaxID=226185;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700802 / V583;
RX   PubMed=12663927; DOI=10.1126/science.1080613;
RA   Paulsen I.T., Banerjei L., Myers G.S.A., Nelson K.E., Seshadri R.,
RA   Read T.D., Fouts D.E., Eisen J.A., Gill S.R., Heidelberg J.F., Tettelin H.,
RA   Dodson R.J., Umayam L.A., Brinkac L.M., Beanan M.J., Daugherty S.C.,
RA   DeBoy R.T., Durkin S.A., Kolonay J.F., Madupu R., Nelson W.C.,
RA   Vamathevan J.J., Tran B., Upton J., Hansen T., Shetty J., Khouri H.M.,
RA   Utterback T.R., Radune D., Ketchum K.A., Dougherty B.A., Fraser C.M.;
RT   "Role of mobile DNA in the evolution of vancomycin-resistant Enterococcus
RT   faecalis.";
RL   Science 299:2071-2074(2003).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-formamido-N(1)-(5-O-phospho-beta-D-ribosyl)acetamidine + ATP
CC         = 5-amino-1-(5-phospho-beta-D-ribosyl)imidazole + ADP + H(+) +
CC         phosphate; Xref=Rhea:RHEA:23032, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:137981,
CC         ChEBI:CHEBI:147287, ChEBI:CHEBI:456216; EC=6.3.3.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00741};
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC       amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-
CC       phospho-D-ribosyl)glycinamide: step 2/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00741}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00741}.
CC   -!- SIMILARITY: Belongs to the AIR synthase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00741}.
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DR   EMBL; AE016830; AAO81551.1; -; Genomic_DNA.
DR   RefSeq; NP_815481.1; NC_004668.1.
DR   RefSeq; WP_002369275.1; NZ_KE136528.1.
DR   AlphaFoldDB; Q833Z1; -.
DR   SMR; Q833Z1; -.
DR   STRING; 226185.EF_1780; -.
DR   EnsemblBacteria; AAO81551; AAO81551; EF_1780.
DR   KEGG; efa:EF1780; -.
DR   PATRIC; fig|226185.45.peg.1735; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_9; -.
DR   OMA; EPLFMTD; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000001415; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004641; F:phosphoribosylformylglycinamidine cyclo-ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02196; PurM; 1.
DR   Gene3D; 3.30.1330.10; -; 1.
DR   Gene3D; 3.90.650.10; -; 1.
DR   HAMAP; MF_00741; AIRS; 1.
DR   InterPro; IPR010918; PurM-like_C_dom.
DR   InterPro; IPR036676; PurM-like_C_sf.
DR   InterPro; IPR016188; PurM-like_N.
DR   InterPro; IPR036921; PurM-like_N_sf.
DR   InterPro; IPR004733; PurM_cligase.
DR   PANTHER; PTHR10520; PTHR10520; 1.
DR   Pfam; PF00586; AIRS; 1.
DR   Pfam; PF02769; AIRS_C; 1.
DR   SUPFAM; SSF55326; SSF55326; 1.
DR   SUPFAM; SSF56042; SSF56042; 1.
DR   TIGRFAMs; TIGR00878; purM; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..343
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000148212"
SQ   SEQUENCE   343 AA;  36931 MW;  AD7FD0DADB4CAC2E CRC64;
     MENAYSKAGV NVEAGYEVVE RIQKHSQKTQ RTGTLGMLGG FGGCFDLSSY KLKEPVLVSG
     TDGVGTKLLL AIEEQKHETI GIDCVAMCVN DVVAQGAEPL YFLDYLALGT VNPAKVEAIV
     AGVAAGCCEA NAALIGGETA EMPDMYEADA YDVAGFAVGI AEKSQLLTPS NVKEGDFLIG
     LPSSGLHSNG YSLVRNIFFK KHSFKTTDKL PELAPKTLGE ELLTPTKIYV KELLPLLKAG
     LVHGAAHITG GGFLENLPRM FSSALAAEIQ LNSWPVLPIF KLIQKYGEIP PEEMYEIFNM
     GLGMILAVSP EHVEKVQELL PEAFEIGRLV PRKTKAVIFK EAL