PUR9_CLOD6
ID PUR9_CLOD6 Reviewed; 510 AA.
AC Q18CW0;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 25-JUL-2006, sequence version 1.
DT 03-AUG-2022, entry version 95.
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=CD630_02230;
OS Clostridioides difficile (strain 630) (Peptoclostridium difficile).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptostreptococcaceae;
OC Clostridioides.
OX NCBI_TaxID=272563;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=630;
RX PubMed=16804543; DOI=10.1038/ng1830;
RA Sebaihia M., Wren B.W., Mullany P., Fairweather N.F., Minton N.,
RA Stabler R., Thomson N.R., Roberts A.P., Cerdeno-Tarraga A.M., Wang H.,
RA Holden M.T.G., Wright A., Churcher C., Quail M.A., Baker S., Bason N.,
RA Brooks K., Chillingworth T., Cronin A., Davis P., Dowd L., Fraser A.,
RA Feltwell T., Hance Z., Holroyd S., Jagels K., Moule S., Mungall K.,
RA Price C., Rabbinowitsch E., Sharp S., Simmonds M., Stevens K., Unwin L.,
RA Whithead S., Dupuy B., Dougan G., Barrell B., Parkhill J.;
RT "The multidrug-resistant human pathogen Clostridium difficile has a highly
RT mobile, mosaic genome.";
RL Nat. Genet. 38:779-786(2006).
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; AM180355; CAJ67044.1; -; Genomic_DNA.
DR RefSeq; WP_003436063.1; NZ_CP010905.2.
DR RefSeq; YP_001086691.1; NC_009089.1.
DR AlphaFoldDB; Q18CW0; -.
DR SMR; Q18CW0; -.
DR STRING; 272563.CD630_02230; -.
DR EnsemblBacteria; CAJ67044; CAJ67044; CD630_02230.
DR GeneID; 66352770; -.
DR KEGG; cdf:CD630_02230; -.
DR KEGG; pdc:CDIF630_00345; -.
DR PATRIC; fig|272563.120.peg.239; -.
DR eggNOG; COG0138; Bacteria.
DR OMA; WRVAKFV; -.
DR PhylomeDB; Q18CW0; -.
DR BioCyc; PDIF272563:G12WB-326-MON; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
DR Proteomes; UP000001978; 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..510
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000018878"
FT DOMAIN 1..144
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ SEQUENCE 510 AA; 57107 MW; 44E6415D06DE2528 CRC64;
MSKRALISVT DKTGVVEFAK ELNKLDYEII STGNTFKTLK ENGVNVMQVE DVTNFPEILD
GRVKTLNPYI HGGILYKRDK ESHVETVNEH KIHSIDLVAV NLYDFEGTLK AGKSHDEIIE
NIDIGGPSMI RSAAKNYKDV IVVVDIKDYD SIIEKLKTDT MTLEDRKKLS YKAFSTTGRY
DALISSYFAG EVGDTYPDIL NLTFQKEQTL RYGENPHQNG FLYSQSNAKN PILNYEQLGG
KELSFNNLND LHGCLEVMRE FKDSEEVVSV AIKHANSCGV GLGKDAFEAY TKCYEADKVS
IFGGIVGITS TIDKATAEKL NEIFLEIVVA YDFEPEALEI LKQKKNLRIL KLAKIENSLQ
PYEMKYLDGK LLIQDRNNIL AEKSENVTKE KPTDAQLKDM EFGMRVVKNM KSNAIAIVKN
GQTLALGCGQ TSRIWALKNA LENNKDKDFT GAVLASDAFF PFDDCVTLAH EYGISAVVQP
GGSIKDKDSI EACDKYDMVM VFTGIRHFKH
