PUR9_NATTJ
ID PUR9_NATTJ Reviewed; 509 AA.
AC B2A5W1;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 25-MAY-2022, entry version 72.
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=Nther_0458;
OS Natranaerobius thermophilus (strain ATCC BAA-1301 / DSM 18059 /
OS JW/NM-WN-LF).
OC Bacteria; Firmicutes; Clostridia; Natranaerobiales; Natranaerobiaceae;
OC Natranaerobius.
OX NCBI_TaxID=457570;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1301 / DSM 18059 / JW/NM-WN-LF;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA Kyrpides N., Lykidis A., Mesbah N.M., Wiegel J.;
RT "Complete sequence of chromosome of Natranaerobius thermophilus JW/NM-WN-
RT LF.";
RL Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001034; ACB84054.1; -; Genomic_DNA.
DR AlphaFoldDB; B2A5W1; -.
DR SMR; B2A5W1; -.
DR STRING; 457570.Nther_0458; -.
DR EnsemblBacteria; ACB84054; ACB84054; Nther_0458.
DR KEGG; nth:Nther_0458; -.
DR eggNOG; COG0138; Bacteria.
DR HOGENOM; CLU_016316_5_2_9; -.
DR OMA; WRVAKFV; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
DR Proteomes; UP000001683; 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..509
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000096075"
FT DOMAIN 1..146
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ SEQUENCE 509 AA; 56802 MW; EA28F43364512FA1 CRC64;
MTIQKINRVL LSVYDKTGLI TLAQELKDMG VELVSTGGTL RHLQTHGIPV YSVEEVTGFP
EILSGRVKTL HPKIHGGILA KNRENEELSS LDIKTFDLVI VNLYPFEQVM QKAEATEEEV
MENIDIGGPT MIRAAAKNWY RVGVCVDPTD YEVLTQQLKQ YHGLTDEFRK TLARKAFKHT
AQYDKAIFNY FESVDTNKDD ETELKFPEFN LLESRELPYG ENPHQKASLL MESQKFIQHQ
GKGLSYNNFQ DIDAAIKLVH EFQKPAVVAV KHTNPCGVGV SNTIEEAYDK AYQGDPVSIF
GGIVACNRPV TEELASKLTE IFLDVIIAPE FEPRALEKLK SKSGTKVVEM DLEKMVGNKV
EIKSTTFGYL CQEADYHHPH PQNWDRVAGE QAKPEEIDDL IIAEKIVKHV KSNAIVVVKE
GQSLGIGAGQ MNRVGASRIA LENAGKESQN SVLASDAFFP FNDVVKLCSQ YGVSAIVQPG
GSKRDQDSID LAQETGITMY FTGIRHFKH
