ID   PUR5_METAC              Reviewed;         333 AA.
AC   Q8TUD7;
DT   28-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   28-NOV-2003, sequence version 2.
DT   27-MAR-2024, entry version 114.
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=MA_0130;
OS   Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 /
OS   C2A).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=188937;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35395 / DSM 2834 / JCM 12185 / C2A;
RX   PubMed=11932238; DOI=10.1101/gr.223902;
RA   Galagan J.E., Nusbaum C., Roy A., Endrizzi M.G., Macdonald P., FitzHugh W.,
RA   Calvo S., Engels R., Smirnov S., Atnoor D., Brown A., Allen N., Naylor J.,
RA   Stange-Thomann N., DeArellano K., Johnson R., Linton L., McEwan P.,
RA   McKernan K., Talamas J., Tirrell A., Ye W., Zimmer A., Barber R.D.,
RA   Cann I., Graham D.E., Grahame D.A., Guss A.M., Hedderich R.,
RA   Ingram-Smith C., Kuettner H.C., Krzycki J.A., Leigh J.A., Li W., Liu J.,
RA   Mukhopadhyay B., Reeve J.N., Smith K., Springer T.A., Umayam L.A.,
RA   White O., White R.H., de Macario E.C., Ferry J.G., Jarrell K.F., Jing H.,
RA   Macario A.J.L., Paulsen I.T., Pritchett M., Sowers K.R., Swanson R.V.,
RA   Zinder S.H., Lander E., Metcalf W.W., Birren B.;
RT   "The genome of Methanosarcina acetivorans reveals extensive metabolic and
RT   physiological diversity.";
RL   Genome Res. 12:532-542(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         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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAM03584.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE010299; AAM03584.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_048066059.1; NC_003552.1.
DR   AlphaFoldDB; Q8TUD7; -.
DR   SMR; Q8TUD7; -.
DR   STRING; 188937.MA_0130; -.
DR   EnsemblBacteria; AAM03584; AAM03584; MA_0130.
DR   GeneID; 1472022; -.
DR   KEGG; mac:MA_0130; -.
DR   HOGENOM; CLU_047116_0_0_2; -.
DR   InParanoid; Q8TUD7; -.
DR   OrthoDB; 6605at2157; -.
DR   PhylomeDB; Q8TUD7; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000002487; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004637; F:phosphoribosylamine-glycine ligase activity; IBA:GO_Central.
DR   GO; GO:0004641; F:phosphoribosylformylglycinamidine cyclo-ligase activity; IBA:GO_Central.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0046084; P:adenine biosynthetic process; IBA:GO_Central.
DR   GO; GO:0006164; P:purine nucleotide biosynthetic process; IBA:GO_Central.
DR   CDD; cd02196; PurM; 1.
DR   Gene3D; 3.90.650.10; PurM-like C-terminal domain; 1.
DR   Gene3D; 3.30.1330.10; PurM-like, N-terminal domain; 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   NCBIfam; TIGR00878; purM; 1.
DR   PANTHER; PTHR10520:SF12; TRIFUNCTIONAL PURINE BIOSYNTHETIC PROTEIN ADENOSINE-3; 1.
DR   PANTHER; PTHR10520; TRIFUNCTIONAL PURINE BIOSYNTHETIC PROTEIN ADENOSINE-3-RELATED; 1.
DR   Pfam; PF00586; AIRS; 1.
DR   Pfam; PF02769; AIRS_C; 1.
DR   SUPFAM; SSF56042; PurM C-terminal domain-like; 1.
DR   SUPFAM; SSF55326; PurM N-terminal domain-like; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..333
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000148280"
SQ   SEQUENCE   333 AA;  36098 MW;  E097F24B54A097CD CRC64;
     MSEKHLTYAD SGVDITKEEK TVKTLIDKLS YVRKGIGAPL TGIGHYAGLL DFGEYALAMT
     TDGVGSKVLI ANEMKRWNTV GIDCIAMNVN DLLAIGAEPV AFVDYLALEK HEEGFAAQIG
     EGLLKGAEIS RMSIVGGETA TLPDIIKGFD LAGTCLGVVK KEDILEGGKV RVGDVLVGIP
     STGVHSNGYT LVRKIIEKSG YSYHDPCPYD SSKTIGDELL EPTRIYIEVL DVLKACEVHG
     LAHITGSGLL KLRRVTKLGF EFSDPIEPQE IFKFLQKEGE VEDLEMYRTF NMGMGFLMIL
     PEKDAAKAAE LTGGKIVGKI VESGIRVKDL IIE
//