PUR9_STRMK
ID PUR9_STRMK Reviewed; 527 AA.
AC B2FJP9;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-JUN-2008, sequence version 1.
DT 25-MAY-2022, entry version 80.
DE RecName: Full=Bifunctional purine biosynthesis protein PurH {ECO:0000255|HAMAP-Rule:MF_00139};
DE Includes:
DE RecName: Full=Phosphoribosylaminoimidazolecarboxamide formyltransferase {ECO:0000255|HAMAP-Rule:MF_00139};
DE EC=2.1.2.3 {ECO:0000255|HAMAP-Rule:MF_00139};
DE AltName: Full=AICAR transformylase {ECO:0000255|HAMAP-Rule:MF_00139};
DE Includes:
DE RecName: Full=IMP cyclohydrolase {ECO:0000255|HAMAP-Rule:MF_00139};
DE EC=3.5.4.10 {ECO:0000255|HAMAP-Rule:MF_00139};
DE AltName: Full=ATIC {ECO:0000255|HAMAP-Rule:MF_00139};
DE AltName: Full=IMP synthase {ECO:0000255|HAMAP-Rule:MF_00139};
DE AltName: Full=Inosinicase {ECO:0000255|HAMAP-Rule:MF_00139};
GN Name=purH {ECO:0000255|HAMAP-Rule:MF_00139}; OrderedLocusNames=Smlt4253;
OS Stenotrophomonas maltophilia (strain K279a).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Stenotrophomonas; Stenotrophomonas maltophilia group.
OX NCBI_TaxID=522373;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K279a;
RX PubMed=18419807; DOI=10.1186/gb-2008-9-4-r74;
RA Crossman L.C., Gould V.C., Dow J.M., Vernikos G.S., Okazaki A.,
RA Sebaihia M., Saunders D., Arrowsmith C., Carver T., Peters N., Adlem E.,
RA Kerhornou A., Lord A., Murphy L., Seeger K., Squares R., Rutter S.,
RA Quail M.A., Rajandream M.A., Harris D., Churcher C., Bentley S.D.,
RA Parkhill J., Thomson N.R., Avison M.B.;
RT "The complete genome, comparative and functional analysis of
RT Stenotrophomonas maltophilia reveals an organism heavily shielded by drug
RT resistance determinants.";
RL Genome Biol. 9:R74.1-R74.13(2008).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(6S)-10-formyltetrahydrofolate + 5-amino-1-(5-phospho-beta-D-
CC ribosyl)imidazole-4-carboxamide = (6S)-5,6,7,8-tetrahydrofolate + 5-
CC formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide;
CC Xref=Rhea:RHEA:22192, ChEBI:CHEBI:57453, ChEBI:CHEBI:57454,
CC ChEBI:CHEBI:58467, ChEBI:CHEBI:58475; EC=2.1.2.3;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00139};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + IMP = 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-
CC carboxamide; Xref=Rhea:RHEA:18445, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:58053, ChEBI:CHEBI:58467; EC=3.5.4.10;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00139};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-
CC 1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (10-formyl THF route):
CC step 1/1. {ECO:0000255|HAMAP-Rule:MF_00139}.
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; IMP
CC from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide: step
CC 1/1. {ECO:0000255|HAMAP-Rule:MF_00139}.
CC -!- DOMAIN: The IMP cyclohydrolase activity resides in the N-terminal
CC region. {ECO:0000255|HAMAP-Rule:MF_00139}.
CC -!- SIMILARITY: Belongs to the PurH family. {ECO:0000255|HAMAP-
CC Rule:MF_00139}.
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; AM743169; CAQ47642.1; -; Genomic_DNA.
DR RefSeq; WP_012481416.1; NC_010943.1.
DR AlphaFoldDB; B2FJP9; -.
DR SMR; B2FJP9; -.
DR STRING; 522373.Smlt4253; -.
DR EnsemblBacteria; CAQ47642; CAQ47642; Smlt4253.
DR KEGG; sml:Smlt4253; -.
DR PATRIC; fig|522373.3.peg.4024; -.
DR eggNOG; COG0138; Bacteria.
DR HOGENOM; CLU_016316_5_2_6; -.
DR OMA; WRVAKFV; -.
DR OrthoDB; 1049662at2; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
DR Proteomes; UP000008840; Chromosome.
DR GO; GO:0003937; F:IMP cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004643; F:phosphoribosylaminoimidazolecarboxamide formyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.140.20; -; 2.
DR Gene3D; 3.40.50.1380; -; 1.
DR HAMAP; MF_00139; PurH; 1.
DR InterPro; IPR024051; AICAR_Tfase_dup_dom_sf.
DR InterPro; IPR016193; Cytidine_deaminase-like.
DR InterPro; IPR011607; MGS-like_dom.
DR InterPro; IPR036914; MGS-like_dom_sf.
DR InterPro; IPR002695; PurH-like.
DR PANTHER; PTHR11692; PTHR11692; 1.
DR Pfam; PF01808; AICARFT_IMPCHas; 1.
DR Pfam; PF02142; MGS; 1.
DR PIRSF; PIRSF000414; AICARFT_IMPCHas; 1.
DR SMART; SM00798; AICARFT_IMPCHas; 1.
DR SMART; SM00851; MGS; 1.
DR SUPFAM; SSF52335; SSF52335; 1.
DR SUPFAM; SSF53927; SSF53927; 1.
DR TIGRFAMs; TIGR00355; purH; 1.
DR PROSITE; PS51855; MGS; 1.
PE 3: Inferred from homology;
KW Hydrolase; Multifunctional enzyme; Purine biosynthesis; Reference proteome;
KW Transferase.
FT CHAIN 1..527
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000096099"
FT DOMAIN 1..149
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ SEQUENCE 527 AA; 55721 MW; 7B28EBE61BE0A111 CRC64;
MTADLLPVRR ALLSVSDKTG LVELATALAA RGVELLSTGG TAKAIRDAGL AVKDVADVTG
FPEMMDGRVK TLHPMVHGGL LGRSGLDDAV MAEHGIGAID LLVLNLYPFE SVTAKADCTL
ADAVENIDIG GPAMLRSAAK NFARVAVATD PSQYAELLAS LDANDGQLSA STRFAFSVAA
FNRVAQYDAA ISNYLSAVTA TDAAVPARAE YPAQMNSTFV KVMDLRYGEN PHQSGAFYRD
LYPVPGTLAT FQQLQGKELS YNNLADADAA WECVRQFDAP ACVIVKHANP CGVAVGAGNG
DAYELAYATD PTSAFGGIIA FNKPLDAATA KVILDRQFVE VLIAPDYEPA ALEYAQKKAN
VRVLRIPHGD GLNNFDSKRV GSGLLLQSSD NRGMTRDELK VVSKLAPTDK QFTDLLFAWK
VAKFVKSNAI VYAKDNRTIG VGAGQMSRVY SARIAGIKAA DANLVVEGSV MASDAFFPFR
DGIDAAAAAG IKAVIQPGGS MRDAEVIAAA DEHGLAMVFT GVRHFRH
