ID   PUR5_LACE2              Reviewed;         341 AA.
AC   C4Z478;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   28-JUL-2009, sequence version 1.
DT   25-MAY-2022, entry version 69.
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};
GN   OrderedLocusNames=EUBELI_00549;
OS   Lachnospira eligens (strain ATCC 27750 / DSM 3376 / VPI C15-48 / C15-B4)
OS   (Eubacterium eligens).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Lachnospiraceae;
OC   Lachnospira.
OX   NCBI_TaxID=515620;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27750 / DSM 3376 / VPI C15-48 / C15-B4;
RX   PubMed=19321416; DOI=10.1073/pnas.0901529106;
RA   Mahowald M.A., Rey F.E., Seedorf H., Turnbaugh P.J., Fulton R.S.,
RA   Wollam A., Shah N., Wang C., Magrini V., Wilson R.K., Cantarel B.L.,
RA   Coutinho P.M., Henrissat B., Crock L.W., Russell A., Verberkmoes N.C.,
RA   Hettich R.L., Gordon J.I.;
RT   "Characterizing a model human gut microbiota composed of members of its two
RT   dominant bacterial phyla.";
RL   Proc. Natl. Acad. Sci. U.S.A. 106:5859-5864(2009).
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; CP001104; ACR71562.1; -; Genomic_DNA.
DR   RefSeq; WP_012738798.1; NC_012778.1.
DR   AlphaFoldDB; C4Z478; -.
DR   SMR; C4Z478; -.
DR   STRING; 515620.EUBELI_00549; -.
DR   EnsemblBacteria; ACR71562; ACR71562; EUBELI_00549.
DR   GeneID; 41355308; -.
DR   KEGG; eel:EUBELI_00549; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_9; -.
DR   OMA; EPLFMTD; -.
DR   OrthoDB; 923547at2; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000001476; 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..341
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_1000212820"
SQ   SEQUENCE   341 AA;  36215 MW;  9C97457875213CF0 CRC64;
     MDYKKSGVDI EAGYKSVELM KEAVKSTMRE EVLGGIGGFS GAFSLAKIKE MEEPVLLSGT
     DGCGTKVKLA FIMDKHDTIG IDAVAMCVND VVCAGGEPLF FLDYIACGKN YPEKIATIVG
     GVAEGCRQSE CALIGGETAE HPGLMPQDEY DLAGFAVGVV DKKDLITGEN IKPGDTLIGI
     ASSGVHSNGF SLVRSVFTMT EESLNTYYDS LGKTLGEALL APTKIYVKTM KEIKKAGVKV
     KGCSHITGGG FYENVPRMLP DGVKAVIKKD SYEVPPIFKM LAEDGNIEEH MMYNTFNMGI
     GLVLAVDPAD VDTVMEAVKA AGETPYVIGS IEAGEKGVTL C