ID   PUR5_METTH              Reviewed;         338 AA.
AC   O27272;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   27-MAR-2024, entry version 131.
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=MTH_1204;
OS   Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM
OS   10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum).
OC   Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC   Methanobacteriales; Methanobacteriaceae; Methanothermobacter.
OX   NCBI_TaxID=187420;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H;
RX   PubMed=9371463; DOI=10.1128/jb.179.22.7135-7155.1997;
RA   Smith D.R., Doucette-Stamm L.A., Deloughery C., Lee H.-M., Dubois J.,
RA   Aldredge T., Bashirzadeh R., Blakely D., Cook R., Gilbert K., Harrison D.,
RA   Hoang L., Keagle P., Lumm W., Pothier B., Qiu D., Spadafora R., Vicare R.,
RA   Wang Y., Wierzbowski J., Gibson R., Jiwani N., Caruso A., Bush D.,
RA   Safer H., Patwell D., Prabhakar S., McDougall S., Shimer G., Goyal A.,
RA   Pietrovski S., Church G.M., Daniels C.J., Mao J.-I., Rice P., Noelling J.,
RA   Reeve J.N.;
RT   "Complete genome sequence of Methanobacterium thermoautotrophicum deltaH:
RT   functional analysis and comparative genomics.";
RL   J. Bacteriol. 179:7135-7155(1997).
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; AE000666; AAB85693.1; -; Genomic_DNA.
DR   PIR; G69027; G69027.
DR   RefSeq; WP_010876828.1; NC_000916.1.
DR   AlphaFoldDB; O27272; -.
DR   SMR; O27272; -.
DR   STRING; 187420.MTH_1204; -.
DR   PaxDb; 187420-MTH_1204; -.
DR   EnsemblBacteria; AAB85693; AAB85693; MTH_1204.
DR   GeneID; 77401732; -.
DR   KEGG; mth:MTH_1204; -.
DR   PATRIC; fig|187420.15.peg.1182; -.
DR   HOGENOM; CLU_047116_0_0_2; -.
DR   InParanoid; O27272; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000005223; 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; 3.90.650.10; 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..338
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000148284"
SQ   SEQUENCE   338 AA;  35983 MW;  5C6AA2B6562E0E17 CRC64;
     MVTYSESGVD IDLEELTVSS LTSRLSDTLK YCDVITGAGH FAALVRMGDV AIAMSTDGVG
     SKILVAEMMN RYDTVGIDCI AMVVNDILCV GARPAALVDY LAVERPDPEV AGEIGKGLAM
     GAEMARVAII GGETASLPGI IRNLDLAATG IGFVDVDRII TGEDVSPGDT VIGLESSGIH
     SNGLSLARRV FFDELELSPE DEMPGSSSSV GDELLRPTRI YVEPIMELIE SDVDVHGLAH
     ITGGGFGNLK RLRKDVGYRL DSLPEPQQIF RVIHEAGVDI REMYRVFNMG VGFCAVVAPD
     DVDEALSILG DRAHPIGEVT DRGSEVELEA CTGETIKL
//