ID   PUR5_BIFLD              Reviewed;         345 AA.
AC   B3DT56;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-JUL-2008, sequence version 1.
DT   25-MAY-2022, entry version 75.
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=BLD_0879;
OS   Bifidobacterium longum (strain DJO10A).
OC   Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC   Bifidobacterium.
OX   NCBI_TaxID=205913;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DJO10A;
RX   PubMed=18505588; DOI=10.1186/1471-2164-9-247;
RA   Lee J.H., Karamychev V.N., Kozyavkin S.A., Mills D., Pavlov A.R.,
RA   Pavlova N.V., Polouchine N.N., Richardson P.M., Shakhova V.V.,
RA   Slesarev A.I., Weimer B., O'Sullivan D.J.;
RT   "Comparative genomic analysis of the gut bacterium Bifidobacterium longum
RT   reveals loci susceptible to deletion during pure culture growth.";
RL   BMC Genomics 9:247-247(2008).
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; CP000605; ACD98325.1; -; Genomic_DNA.
DR   RefSeq; WP_010081095.1; NZ_AABM02000006.1.
DR   AlphaFoldDB; B3DT56; -.
DR   SMR; B3DT56; -.
DR   EnsemblBacteria; ACD98325; ACD98325; BLD_0879.
DR   GeneID; 66504739; -.
DR   KEGG; blj:BLD_0879; -.
DR   HOGENOM; CLU_047116_0_0_11; -.
DR   OMA; EPLFMTD; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000002419; 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..345
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_1000192998"
SQ   SEQUENCE   345 AA;  36002 MW;  4A48C60D24891797 CRC64;
     MPKAYENAGV SVEAGYEVVK RIKSHVARTN RPGVVGGIGG FGGLFDLASL GYKEPVLISG
     TDGVGTKLMV AKLANKHDTI GIDCVAMCVN DIAAQGAEPL FFLDYIACGK NDPALLEQVV
     AGVADGCVQA GSALVGGETA EMPGMYDEDE YDLAGFSVGV AEKSAIVDGS TIAEGDVLIG
     LPSTGVHSNG FSLVRKALFE QAGYTVDTEL DELGGEKLGD VLLTPTKIYV KALSPLFKAG
     VVKGVAHITG GGFIENIPRM IPDGLAAEIE LGTWPVLPIF DVLEKAGNID HKEMYNIFNM
     GIGMVLAIDP ARKDEALKLL ADNNEPAYVL GSITADTTGT QIVLK