PUR9_XANC5
ID PUR9_XANC5 Reviewed; 527 AA.
AC Q3BY85;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 25-MAY-2022, entry version 94.
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=XCV0547;
OS Xanthomonas campestris pv. vesicatoria (strain 85-10).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Xanthomonas.
OX NCBI_TaxID=316273;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=85-10;
RX PubMed=16237009; DOI=10.1128/jb.187.21.7254-7266.2005;
RA Thieme F., Koebnik R., Bekel T., Berger C., Boch J., Buettner D.,
RA Caldana C., Gaigalat L., Goesmann A., Kay S., Kirchner O., Lanz C.,
RA Linke B., McHardy A.C., Meyer F., Mittenhuber G., Nies D.H.,
RA Niesbach-Kloesgen U., Patschkowski T., Rueckert C., Rupp O., Schneiker S.,
RA Schuster S.C., Vorhoelter F.J., Weber E., Puehler A., Bonas U., Bartels D.,
RA Kaiser O.;
RT "Insights into genome plasticity and pathogenicity of the plant pathogenic
RT Bacterium Xanthomonas campestris pv. vesicatoria revealed by the complete
RT genome sequence.";
RL J. Bacteriol. 187:7254-7266(2005).
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}.
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DR EMBL; AM039952; CAJ22178.1; -; Genomic_DNA.
DR RefSeq; WP_011346196.1; NZ_CP017190.1.
DR AlphaFoldDB; Q3BY85; -.
DR SMR; Q3BY85; -.
DR STRING; 456327.BJD11_20135; -.
DR EnsemblBacteria; CAJ22178; CAJ22178; XCV0547.
DR KEGG; xcv:XCV0547; -.
DR eggNOG; COG0138; Bacteria.
DR HOGENOM; CLU_016316_5_2_6; -.
DR OMA; WRVAKFV; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
DR Proteomes; UP000007069; 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; Transferase.
FT CHAIN 1..527
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000018986"
FT DOMAIN 1..149
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ SEQUENCE 527 AA; 55788 MW; CE12F763E04E098E CRC64;
MASDFLPVRR ALLSVSDKTG LIDLARALVA RNVELLSTGG TAKAIREAGL PVKDVAELTG
FPEMMDGRVK TLHPLVHGGL LGRAGVDEAV MAEHGIVPID LLVLNLYPFE SVTVKADCTL
ADAVENIDIG GPAMLRSAAK NFARVAVATD PAQYADLLAE LEVNDGQLSA AKRFALSVAA
FNRVAQYDAA ISNYLSAVAD SSEAVPTRSP FPAQINSNFV KVMDLRYGEN PHQSGAFYRD
LYPVPGTLAT FQQLQGKELS YNNLADADAA WECVRQFDAP ACVIVKHANP CGVAVGAGCG
DAYELAYATD PTSAFGGILA FNKTLDAATA KAILDRQFVE VLIAPDYEAG ALEYATRKAN
VRVLKIPHGN GLNNYDTKRI GSGLLMQSAD NRSMSLGELS VVTQRAPNEA ELGDLLFAWR
VAKYVKSNAI VYAKDSRTIG VGAGQMSRVV SAKIAALKAE EAKLTVAGSV MASDAFFPFR
DGIDAAAAAG IKAVIQPGGS MRDGEVIAAA DEHGIAMVFT GVRHFRH
