ID PUR5_SYNS9 Reviewed; 345 AA. AC Q3AUU9; DT 31-OCT-2006, integrated into UniProtKB/Swiss-Prot. DT 22-NOV-2005, sequence version 1. DT 27-MAR-2024, entry version 105. 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=Syncc9902_1916; OS Synechococcus sp. (strain CC9902). OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae; OC Synechococcus. OX NCBI_TaxID=316279; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=CC9902; RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., RA Hammon N., Israni S., Pitluck S., Martinez M., Schmutz J., Larimer F., RA Land M., Kyrpides N., Ivanova N., Richardson P.; RT "Complete sequence of Synechococcus sp. CC9902."; RL Submitted (AUG-2005) 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: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 --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000097; ABB26873.1; -; Genomic_DNA. DR RefSeq; WP_011360675.1; NC_007513.1. DR AlphaFoldDB; Q3AUU9; -. DR SMR; Q3AUU9; -. DR STRING; 316279.Syncc9902_1916; -. DR KEGG; sye:Syncc9902_1916; -. DR eggNOG; COG0150; Bacteria. DR HOGENOM; CLU_047116_0_0_3; -. DR OrthoDB; 9802507at2; -. DR UniPathway; UPA00074; UER00129. DR Proteomes; UP000002712; 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. FT CHAIN 1..345 FT /note="Phosphoribosylformylglycinamidine cyclo-ligase" FT /id="PRO_0000258423" SQ SEQUENCE 345 AA; 36549 MW; FB54A597A0453BA3 CRC64; MDYKSAGVDV EAGRAFVQRI KASVEATHRP EVVGGLGGFG GLMRLPTGLR KPLLVSGTDG VGTKLELAQN HHCHHGVGID LVAMCVNDVI TSGAAPLFFL DYMATGALSP AAMAEVVEGI ADGCRQSGCA LLGGETAEMP GFYPQGRYDL AGFCVAVVEE DDLIDGRSIS PGDQIIGIAS SGVHSNGFSL VRKVLEKAGI NENSQYGPDN RRLLNDLLAP TTLYASLVQE LLSNAIKIHG MAHITGGGLP ENLPRCLPEG MTAKIEAEAW PRSPLFQWLQ SAGAIPERDL WHTFNMGIGF CLVVPKEAEQ TALDVCHLNN HQAWVIGEVL KTPPGEHSAL QGLPS //