ID A0A2K8L0P7_9PROT Unreviewed; 350 AA.
AC A0A2K8L0P7;
DT 25-APR-2018, integrated into UniProtKB/TrEMBL.
DT 25-APR-2018, sequence version 1.
DT 24-JAN-2024, entry version 18.
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 ORFNames=Ga0123462_0005 {ECO:0000313|EMBL:ATX80885.1};
OS Mariprofundus ferrinatatus.
OC Bacteria; Pseudomonadota; Zetaproteobacteria; Mariprofundales;
OC Mariprofundaceae; Mariprofundus.
OX NCBI_TaxID=1921087 {ECO:0000313|EMBL:ATX80885.1, ECO:0000313|Proteomes:UP000231637};
RN [1] {ECO:0000313|EMBL:ATX80885.1, ECO:0000313|Proteomes:UP000231637}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CP-8 {ECO:0000313|EMBL:ATX80885.1,
RC ECO:0000313|Proteomes:UP000231637};
RA McAllister S.M., Kato S., Chan C.S., Chiu B.K., Field E.K.;
RT "Isolation and genomic insights into novel planktonic Zetaproteobacteria
RT from stratified waters of the Chesapeake Bay.";
RL Submitted (DEC-2016) to the EMBL/GenBank/DDBJ databases.
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:0000256|ARBA:ARBA00023392, 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; CP018800; ATX80885.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2K8L0P7; -.
DR KEGG; mfn:Ga0123462_0005; -.
DR OrthoDB; 5289275at2; -.
DR UniPathway; UPA00074; UER00129.
DR Proteomes; UP000231637; 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 {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:UP000231637}.
FT DOMAIN 62..167
FT /note="PurM-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00586"
FT DOMAIN 180..344
FT /note="PurM-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02769"
SQ SEQUENCE 350 AA; 36737 MW; C847C0E239B51E44 CRC64;
MSATEKSKLS YADCGVDIDA GNAFVGRIKQ AVNSTMRPEV LSGLGGFGGL FKPDFKGMQE
PVLVSGTDGV GTKLLLLQEY DLPHVAGIDA VAMCVNDLAA LGADPLFFLD YLATGKLAGE
TLAGVVEGIA DACRTCECAL VGGETAEMPG MYAPGHYDIG GFCVGVVDRP KMVDGSKISA
GDVIVGVASN GPHSNGFSMV RKLLELGDAD LNSDTLSDGR KAIEGVLSPT RLYVPAVNAL
MKSDTEIHGF SHITGGGMFD NFERLLSEDL AVTIDVSSWP VPPAFEYLLS FADVERDERY
RTFNMGIGFA VILPESEAGK AEAVLNAAGE TTFRIGSVHK RSGEPVTLIG
//
