PUR5_PROMT
ID PUR5_PROMT Reviewed; 346 AA.
AC Q46IM4;
DT 31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT 13-SEP-2005, sequence version 1.
DT 25-MAY-2022, entry version 94.
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=PMN2A_1164;
OS Prochlorococcus marinus (strain NATL2A).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=59920;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NATL2A;
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(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 + 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; CP000095; AAZ58654.1; -; Genomic_DNA.
DR RefSeq; WP_011295508.1; NC_007335.2.
DR AlphaFoldDB; Q46IM4; -.
DR SMR; Q46IM4; -.
DR STRING; 59920.PMN2A_1164; -.
DR EnsemblBacteria; AAZ58654; AAZ58654; PMN2A_1164.
DR KEGG; pmn:PMN2A_1164; -.
DR HOGENOM; CLU_047116_0_0_3; -.
DR OMA; EPLFMTD; -.
DR OrthoDB; 923547at2; -.
DR PhylomeDB; Q46IM4; -.
DR UniPathway; UPA00074; UER00129.
DR Proteomes; UP000002535; 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;
KW Reference proteome.
FT CHAIN 1..346
FT /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT /id="PRO_0000258381"
SQ SEQUENCE 346 AA; 37258 MW; 8FA47F66961CD1DE CRC64;
MDYKTAGVDV TAGRAFVERI KSCVEKTHKS EVIGGLGGFG GCIRIPKGFE SPVLVSGTDG
VGTKLELAQQ YGCHFGVGID LVAMCVNDVI TNGARPLFFL DYIASGTLTP DALAEVIEGI
AAGCCQSDCS LLGGETAEMP GFYPIGRYDL AGFCVGIVEN HHLIDGTKIN CGDQIIGIKS
NGVHSNGFSL VRKVLSMANV DENTLFGKDK RNLIQSLLEP TAIYVQLVEK LLRENLPIHG
MTHITGGGLP ENLPRIFPSG LSPHIDITTW EITEIFNWLQ NAGDIPEIDL WNTFNMGIGF
CLIVPKNEVN SALEICIKND FEAWNIGQVV ESQNNSKNIG IFGIPS