ID   A0PLB3_MYCUA            Unreviewed;       387 AA.
AC   A0PLB3;
DT   09-JAN-2007, integrated into UniProtKB/TrEMBL.
DT   09-JAN-2007, sequence version 1.
DT   02-SEP-2026, entry version 116.
DE   RecName: Full=Phosphoribosylformylglycinamidine cyclo-ligase {ECO:0000256|ARBA:ARBA00020367, ECO:0000256|HAMAP-Rule:MF_00741};
DE            EC=6.3.3.1 {ECO:0000256|ARBA:ARBA00013047, ECO:0000256|HAMAP-Rule:MF_00741};
DE   AltName: Full=AIR synthase {ECO:0000256|ARBA:ARBA00032931, ECO:0000256|HAMAP-Rule:MF_00741};
DE   AltName: Full=AIRS {ECO:0000256|ARBA:ARBA00033093, ECO:0000256|HAMAP-Rule:MF_00741};
DE   AltName: Full=Phosphoribosyl-aminoimidazole synthetase {ECO:0000256|ARBA:ARBA00031908, ECO:0000256|HAMAP-Rule:MF_00741};
GN   Name=purM {ECO:0000256|HAMAP-Rule:MF_00741,
GN   ECO:0000313|EMBL:ABL03132.1};
GN   OrderedLocusNames=MUL_0418 {ECO:0000313|EMBL:ABL03132.1};
OS   Mycobacterium ulcerans (strain Agy99).
OC   Bacteria; Bacillati; Actinomycetota; Actinomycetes; Mycobacteriales;
OC   Mycobacteriaceae; Mycobacterium; Mycobacterium ulcerans group.
OX   NCBI_TaxID=362242 {ECO:0000313|EMBL:ABL03132.1, ECO:0000313|Proteomes:UP000000765};
RN   [1] {ECO:0000313|EMBL:ABL03132.1, ECO:0000313|Proteomes:UP000000765}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Agy99 {ECO:0000313|EMBL:ABL03132.1,
RC   ECO:0000313|Proteomes:UP000000765};
RX   PubMed=17210928; DOI=10.1101/gr.5942807;
RA   Stinear T.P., Seemann T., Pidot S., Frigui W., Reysset G., Garnier T.,
RA   Meurice G., Simon D., Bouchier C., Ma L., Tichit M., Porter J.L., Ryan J.,
RA   Johnson P.D., Davies J.K., Jenkin G.A., Small P.L., Jones L.M., Tekaia F.,
RA   Laval F., Daffe M., Parkhill J., Cole S.T.;
RT   "Reductive evolution and niche adaptation inferred from the genome of
RT   Mycobacterium ulcerans, the causative agent of Buruli ulcer.";
RL   Genome Res. 17:192-200(2007).
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 + phosphate +
CC         H(+); Xref=Rhea:RHEA:23032, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:137981, ChEBI:CHEBI:147287,
CC         ChEBI:CHEBI:456216; EC=6.3.3.1;
CC         Evidence={ECO:0000256|ARBA:ARBA00049057, ECO:0000256|HAMAP-
CC         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.
CC       {ECO:0000256|ARBA:ARBA00004686, ECO:0000256|HAMAP-Rule:MF_00741}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00741}.
CC   -!- SIMILARITY: Belongs to the AIR synthase family.
CC       {ECO:0000256|ARBA:ARBA00010280, ECO:0000256|HAMAP-Rule:MF_00741}.
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DR   EMBL; CP000325; ABL03132.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0PLB3; -.
DR   KEGG; mul:MUL_0418; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_11; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000000765; Chromosome.
DR   GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
DR   GO; GO:0004637; F:phosphoribosylamine-glycine ligase activity; IEA:TreeGrafter.
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   GO; GO:0046084; P:adenine biosynthetic process; IEA:TreeGrafter.
DR   CDD; cd02196; PurM; 1.
DR   FunFam; 3.30.1330.10:FF:000001; Phosphoribosylformylglycinamidine cyclo-ligase; 1.
DR   FunFam; 3.90.650.10:FF:000016; Phosphoribosylformylglycinamidine cyclo-ligase; 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 {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_00741}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00741};
KW   Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00741};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_00741}; Purine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00741};
KW   Reference proteome {ECO:0000313|Proteomes:UP000000765}.
FT   DOMAIN          92..197
FT                   /note="PurM-like N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00586"
FT   DOMAIN          209..375
FT                   /note="PurM-like C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02769"
FT   REGION          1..38
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   387 AA;  40776 MW;  5E25821F8D4339A4 CRC64;
     MRGARVADTG GERRPVAFIA MTDPEKSPES SGRGPASQGV TYAAAGVDIE AGDRAVELFK
     PLATRATRPE VRGGLGGFAG LFALRNDYRE PVLAASTDGV GTKLAVAQAM DKHDTVGLDL
     VAMVVDDLVV CGAEPLFLQD YIAVGRTVPE RVSAIVSGIA EGCVRAGCAL LGGETAEHPG
     LMAPDHYDIS ATGVGVVEAD NVLGPERVKP GDVIIAMGSS GLHSNGYSLA RNVLLEIDRM
     NLAGYVEEFG RTLGEELLEP TRIYAKDCLA LTAETHVRTF CHVTGGGLAG NLERVIPHGL
     VAEIDRGTWT PAPVFAMIAQ RGRVVREEME KTFNMGVGMI AVVAPEDTDR ALAILTARHL
     DCWVLGTVCK GGKEGPRATL VGQHPRF
//