PUR5_PARMW
ID PUR5_PARMW Reviewed; 343 AA.
AC Q7U4N8;
DT 28-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2003, sequence version 1.
DT 03-AUG-2022, entry version 109.
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}; OrderedLocusNames=SYNW2029;
OS Parasynechococcus marenigrum (strain WH8102).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Parasynechococcus; Parasynechococcus marenigrum.
OX NCBI_TaxID=84588;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WH8102;
RX PubMed=12917641; DOI=10.1038/nature01943;
RA Palenik B., Brahamsha B., Larimer F.W., Land M.L., Hauser L., Chain P.,
RA Lamerdin J.E., Regala W., Allen E.E., McCarren J., Paulsen I.T.,
RA Dufresne A., Partensky F., Webb E.A., Waterbury J.;
RT "The genome of a motile marine Synechococcus.";
RL Nature 424:1037-1042(2003).
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}.
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DR EMBL; BX569694; CAE08544.1; -; Genomic_DNA.
DR RefSeq; WP_011128887.1; NC_005070.1.
DR AlphaFoldDB; Q7U4N8; -.
DR SMR; Q7U4N8; -.
DR STRING; 84588.SYNW2029; -.
DR EnsemblBacteria; CAE08544; CAE08544; SYNW2029.
DR KEGG; syw:SYNW2029; -.
DR eggNOG; COG0150; Bacteria.
DR HOGENOM; CLU_047116_0_0_3; -.
DR OMA; EPLFMTD; -.
DR OrthoDB; 923547at2; -.
DR UniPathway; UPA00074; UER00129.
DR Proteomes; UP000001422; 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; 3.30.1330.10; -; 1.
DR Gene3D; 3.90.650.10; -; 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 PANTHER; PTHR10520; PTHR10520; 1.
DR Pfam; PF00586; AIRS; 1.
DR Pfam; PF02769; AIRS_C; 1.
DR SUPFAM; SSF55326; SSF55326; 1.
DR SUPFAM; SSF56042; SSF56042; 1.
DR TIGRFAMs; TIGR00878; purM; 1.
PE 3: Inferred from homology;
KW ATP-binding; Cytoplasm; Ligase; Nucleotide-binding; Purine biosynthesis.
FT CHAIN 1..343
FT /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT /id="PRO_0000148267"
SQ SEQUENCE 343 AA; 36300 MW; 6FAC9CC72FF69245 CRC64;
MDYKSAGVDV EAGRAFVQRI KSSVEATHRQ EVVGGLGGFG GMMRLPAGLR QPLLVSGTDG
VGTKLELAQD HQAHHNVGID LVAMCVNDVI TSGAQPLFFL DYMATGALSP DAMAEVVEGI
ADGCQQSGCS LLGGETAEMP GFYPAGRYDL AGFCVAVVEE NELIDGQQVQ PGDAVIGVAS
SGVHSNGFSL VRRVLAQAKA DRSTLYGPDQ RPLIDDLLRP TQLYASLVKH LLSSSLPIHA
MAHITGGGLP ENLPRCLPTG CRAQVSPTSW ARPPLFDWLQ SAGGIPERDL WHTFNLGIGF
CVVVPRDQID RTVAACRAQQ LQAWPIGSIV EGNPEDGVIG LPD