ID   PUR5_STAAW              Reviewed;         342 AA.
AC   Q8NX90;
DT   28-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=Phosphoribosylformylglycinamidine cyclo-ligase;
DE            EC=6.3.3.1;
DE   AltName: Full=AIR synthase;
DE   AltName: Full=AIRS;
DE   AltName: Full=Phosphoribosyl-aminoimidazole synthetase;
GN   Name=purM; OrderedLocusNames=MW0954;
OS   Staphylococcus aureus (strain MW2).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=196620;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MW2;
RX   PubMed=12044378; DOI=10.1016/s0140-6736(02)08713-5;
RA   Baba T., Takeuchi F., Kuroda M., Yuzawa H., Aoki K., Oguchi A., Nagai Y.,
RA   Iwama N., Asano K., Naimi T., Kuroda H., Cui L., Yamamoto K., Hiramatsu K.;
RT   "Genome and virulence determinants of high virulence community-acquired
RT   MRSA.";
RL   Lancet 359:1819-1827(2002).
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   -!- 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.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the AIR synthase family. {ECO:0000305}.
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DR   EMBL; BA000033; BAB94819.1; -; Genomic_DNA.
DR   RefSeq; WP_000030823.1; NC_003923.1.
DR   AlphaFoldDB; Q8NX90; -.
DR   SMR; Q8NX90; -.
DR   EnsemblBacteria; BAB94819; BAB94819; BAB94819.
DR   KEGG; sam:MW0954; -.
DR   HOGENOM; CLU_047116_0_0_9; -.
DR   OMA; EPLFMTD; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000000418; 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.
FT   CHAIN           1..342
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000148250"
SQ   SEQUENCE   342 AA;  37051 MW;  50583AE2905101C3 CRC64;
     MSKAYEQSGV NIHAGYEAVE RMSSHVKRTM RKEVIGGLGG FGATFDLSQL NMTAPVLVSG
     TDGVGTKLKL AIDYGKHDSI GIDAVAMCVN DILTTGAEPL YFLDYIATNK VVPEVIEQIV
     KGISDACVET NTALIGGETA EMGEMYHEGE YDVAGFAVGA VEKDDYVDSS EVKEGQVVIG
     LASSGIHSNG YSLVRKLINE SGIDLASNFD NRPFIDVFLE PTKLYVKPVL ALKKEVSIKA
     MNHITGGGFY ENIPRALPAG YAARIDTTSF PTPKIFDWLQ QQGNIDTNEM YNIFNMGIGY
     TVIVDEKDAS RALKILAEQN VEAYQIGHIM KNESTAIELL GV