PUR9_ALCBS
ID PUR9_ALCBS Reviewed; 525 AA.
AC Q0VMY5;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-SEP-2006, sequence version 1.
DT 03-AUG-2022, entry version 91.
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=ABO_2015;
OS Alcanivorax borkumensis (strain ATCC 700651 / DSM 11573 / NCIMB 13689 /
OS SK2).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC Alcanivoracaceae; Alcanivorax.
OX NCBI_TaxID=393595;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700651 / DSM 11573 / NCIMB 13689 / SK2;
RX PubMed=16878126; DOI=10.1038/nbt1232;
RA Schneiker S., Martins dos Santos V.A.P., Bartels D., Bekel T., Brecht M.,
RA Buhrmester J., Chernikova T.N., Denaro R., Ferrer M., Gertler C.,
RA Goesmann A., Golyshina O.V., Kaminski F., Khachane A.N., Lang S., Linke B.,
RA McHardy A.C., Meyer F., Nechitaylo T., Puehler A., Regenhardt D., Rupp O.,
RA Sabirova J.S., Selbitschka W., Yakimov M.M., Timmis K.N., Vorhoelter F.-J.,
RA Weidner S., Kaiser O., Golyshin P.N.;
RT "Genome sequence of the ubiquitous hydrocarbon-degrading marine bacterium
RT Alcanivorax borkumensis.";
RL Nat. Biotechnol. 24:997-1004(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; AM286690; CAL17463.1; -; Genomic_DNA.
DR RefSeq; WP_011589294.1; NC_008260.1.
DR AlphaFoldDB; Q0VMY5; -.
DR SMR; Q0VMY5; -.
DR STRING; 393595.ABO_2015; -.
DR PRIDE; Q0VMY5; -.
DR EnsemblBacteria; CAL17463; CAL17463; ABO_2015.
DR KEGG; abo:ABO_2015; -.
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; UP000008871; 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..525
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000057892"
FT DOMAIN 1..145
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ SEQUENCE 525 AA; 56122 MW; 4C40FF4E3C0E576D CRC64;
MSNVERALIS VSDKTGIVEF AQALADKGVE LLSTGGTFKK LQEAGIAVRE VSDYTGFPEM
MAGRVKTLHP KVHGGILGRR GQDEQVMADN DISPIDLVVV NLYPFEATVA NPDCSLEDAI
ENIDIGGPTM VRSAAKNNAS VGIVTDAADY QRVLDDMAAN NGALSDDLRF DLAIKAFEHT
AAYDSAIANY FGKKVEGQDG MSNLDFPRTI NLNFEKTQNM RYGENPHQKA AFYTERNPAP
ASIATAKQLQ GKELSYNNIA DTDAALECVK GFTKPACVIV KHANPCGVAV SLDGITTAYD
LAFATDTESA FGGIIAFNRK LDAATAQAIV DRQFVEVIIA PSATEEALAI TAAKKNVRVL
VCGEMEGVAA SGLDYKRVNG GLLVQDRDLG MITEGELKVV TKRAPTEAEM HDLIFAWKVA
KFVKSNAIVY AKDRQTVGVG AGQMSRVNSA RIAAIKAEHA GLQVKGSVMA SDAFFPFRDG
IDNAAKVGIS CVIQPGGSIR DEEVIAAADE AGMAMVFTGM RHFRH
