ID A0A192D7G5_9SPHN Unreviewed; 373 AA.
AC A0A192D7G5;
DT 05-OCT-2016, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2016, sequence version 1.
DT 24-JAN-2024, entry version 29.
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=A9D12_00565 {ECO:0000313|EMBL:ANK13966.1};
OS Erythrobacter neustonensis.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Erythrobacteraceae; Erythrobacter/Porphyrobacter group; Erythrobacter.
OX NCBI_TaxID=1112 {ECO:0000313|EMBL:ANK13966.1, ECO:0000313|Proteomes:UP000078263};
RN [1] {ECO:0000313|EMBL:ANK13966.1, ECO:0000313|Proteomes:UP000078263}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9434 {ECO:0000313|EMBL:ANK13966.1,
RC ECO:0000313|Proteomes:UP000078263};
RA Shi X.-L., Wu Y.-H., Cheng H., Xu L., Zhang X.-Q., Wang C.-S., Xu X.-W.;
RT "Compelete Genome Sequence of Bacteriochlorophyll-Synthesizing Bacterium
RT Porphyrobacter neustonensis DSM 9434.";
RL Submitted (MAY-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; CP016033; ANK13966.1; -; Genomic_DNA.
DR RefSeq; WP_068353278.1; NZ_CP016033.1.
DR AlphaFoldDB; A0A192D7G5; -.
DR STRING; 1112.A9D12_00565; -.
DR KEGG; pns:A9D12_00565; -.
DR OrthoDB; 9777881at2; -.
DR UniPathway; UPA00074; UER00129.
DR Proteomes; UP000078263; 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:UP000078263}.
FT DOMAIN 69..174
FT /note="PurM-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00586"
FT DOMAIN 187..350
FT /note="PurM-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02769"
SQ SEQUENCE 373 AA; 38685 MW; BB13A89CC3D7BC0B CRC64;
MTSGTNDENA PQGAGYTYAD AGVSIAAGNA LVKAIAPLAK ATARPGATSE LGGFGGFFDP
KAAGYTDPLL VAANDGVGTK LKLAIDHDRH DTVGIDLVAM CVNDLIVQGA EPLFFLDYFA
TGKLENGVAE RVIAGIADGC KQAGCALIGG ETAEMPGMYA AGDYDLAGFC VGAVERGEQL
TGDKVAPGDV LLGLASSGVH SNGYSLVRRL ASDKVWKLDR PALFDQDRLL IDALIAPTRI
YVASLLPLIR AGLINALAHI TGGGLLENIP RILPHGAHAH VDADLWPQPR LMAFLQAQGH
IEPEEMARTF NCGVGMVLAV SEANVADVTA KLEAAGETVV TVGRIEQGEK GCTVRGSTET
WSAKGDWSAT HLG
//
