PUR5_ECODH
ID PUR5_ECODH Reviewed; 345 AA.
AC B1XAX4;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 79.
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=ECDH10B_2665;
OS Escherichia coli (strain K12 / DH10B).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=316385;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / DH10B;
RX PubMed=18245285; DOI=10.1128/jb.01695-07;
RA Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA Posfai G., Weinstock G.M., Blattner F.R.;
RT "The complete genome sequence of Escherichia coli DH10B: insights into the
RT biology of a laboratory workhorse.";
RL J. Bacteriol. 190:2597-2606(2008).
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; CP000948; ACB03651.1; -; Genomic_DNA.
DR RefSeq; WP_001336050.1; NC_010473.1.
DR AlphaFoldDB; B1XAX4; -.
DR SMR; B1XAX4; -.
DR KEGG; ecd:ECDH10B_2665; -.
DR HOGENOM; CLU_047116_0_0_6; -.
DR OMA; EPLFMTD; -.
DR BioCyc; ECOL316385:ECDH10B_RS13550-MON; -.
DR UniPathway; UPA00074; UER00129.
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..345
FT /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT /id="PRO_1000193015"
SQ SEQUENCE 345 AA; 36854 MW; 8DA61375E8180401 CRC64;
MTDKTSLSYK DAGVDIDAGN ALVGRIKGVV KKTRRPEVMG GLGGFGALCA LPQKYREPVL
VSGTDGVGTK LRLAMDLKRH DTIGIDLVAM CVNDLVVQGA EPLFFLDYYA TGKLDVDTAS
AVISGIAEGC LQSGCSLVGG ETAEMPGMYH GEDYDVAGFC VGVVEKSEII DGSKVSDGDV
LIALGSSGPH SNGYSLVRKI LEVSGCDPQT TELDGKPLAD HLLAPTRIYV KSVLELIEKV
DVHAIAHLTG GGFWENIPRV LPDNTQAVID ESSWQWPEVF NWLQTAGNVE HHEMYRTFNC
GVGMIIALPA PEVDKALALL NANGENAWKI GIIKASDSEQ RVVIE
