ID   PUR5_METSB              Reviewed;         353 AA.
AC   B8EJY5;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   25-MAY-2022, entry version 70.
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=Msil_0963;
OS   Methylocella silvestris (strain DSM 15510 / CIP 108128 / LMG 27833 / NCIMB
OS   13906 / BL2).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Beijerinckiaceae; Methylocella.
OX   NCBI_TaxID=395965;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 15510 / CIP 108128 / LMG 27833 / NCIMB 13906 / BL2;
RX   PubMed=20472789; DOI=10.1128/jb.00506-10;
RA   Chen Y., Crombie A., Rahman M.T., Dedysh S.N., Liesack W., Stott M.B.,
RA   Alam M., Theisen A.R., Murrell J.C., Dunfield P.F.;
RT   "Complete genome sequence of the aerobic facultative methanotroph
RT   Methylocella silvestris BL2.";
RL   J. Bacteriol. 192:3840-3841(2010).
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; CP001280; ACK49932.1; -; Genomic_DNA.
DR   RefSeq; WP_012590002.1; NC_011666.1.
DR   AlphaFoldDB; B8EJY5; -.
DR   SMR; B8EJY5; -.
DR   STRING; 395965.Msil_0963; -.
DR   EnsemblBacteria; ACK49932; ACK49932; Msil_0963.
DR   KEGG; msl:Msil_0963; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_5; -.
DR   OMA; EPLFMTD; -.
DR   OrthoDB; 923547at2; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000002257; 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..353
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_1000148287"
SQ   SEQUENCE   353 AA;  35713 MW;  4DDDF11745848C83 CRC64;
     MTDETKLTYA DAGVDIDAGN AMVEAIKPLV RATRRRGADA EIGGFGGLFD LKAAGFTDPI
     LVAANDGVGT KVRIAIETGA HDTIGIDLVA MCVNDLIVQG AEPLFFLDYY ASGKLDGAAA
     AAVVKGIANG CIEAGAALIG GETAEMPGLY AGADYDLAGF AVGAVERGAL LPRSDIAAGD
     VLLGLASSGA HSNGFSLIRK IVAAQKLGWD APAPYAPGQS LGAALLTPTR IYVKTLLPLL
     RAQAGIKGLA HITGGGFPDN LPRVLPQGLG VEVDLSAIAV PPVFAWLAEA GHVSAAEMLR
     TFNCGVGMAL ICAEADAGAL LASLRAAGEQ PVALGRVTPA GAERVTYSGR LSL