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Protein

Bifunctional purine biosynthesis protein PurH

Gene

purH

Organism
Streptococcus pyogenes serotype M6 (strain ATCC BAA-946 / MGAS10394)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalytic activityi

10-formyltetrahydrofolate + 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide = tetrahydrofolate + 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide.UniRule annotation
IMP + H2O = 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide.UniRule annotation

Pathwayi: IMP biosynthesis via de novo pathway

This protein is involved in step 1 of the subpathway that synthesizes 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (10-formyl THF route).UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. Bifunctional purine biosynthesis protein PurH (purH)
This subpathway is part of the pathway IMP biosynthesis via de novo pathway, which is itself part of Purine metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (10-formyl THF route), the pathway IMP biosynthesis via de novo pathway and in Purine metabolism.

Pathwayi: IMP biosynthesis via de novo pathway

This protein is involved in step 1 of the subpathway that synthesizes IMP from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide.UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. Bifunctional purine biosynthesis protein PurH (purH)
This subpathway is part of the pathway IMP biosynthesis via de novo pathway, which is itself part of Purine metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes IMP from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide, the pathway IMP biosynthesis via de novo pathway and in Purine metabolism.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionHydrolase, Multifunctional enzyme, Transferase
Biological processPurine biosynthesis

Enzyme and pathway databases

BioCyciSPYO286636:G1G3V-107-MONOMER
UniPathwayiUPA00074; UER00133
UPA00074; UER00135

Names & Taxonomyi

Protein namesi
Recommended name:
Bifunctional purine biosynthesis protein PurHUniRule annotation
Including the following 2 domains:
Phosphoribosylaminoimidazolecarboxamide formyltransferaseUniRule annotation (EC:2.1.2.3UniRule annotation)
Alternative name(s):
AICAR transformylaseUniRule annotation
IMP cyclohydrolaseUniRule annotation (EC:3.5.4.10UniRule annotation)
Alternative name(s):
ATICUniRule annotation
IMP synthaseUniRule annotation
InosinicaseUniRule annotation
Gene namesi
Name:purHUniRule annotation
Ordered Locus Names:M6_Spy0076
OrganismiStreptococcus pyogenes serotype M6 (strain ATCC BAA-946 / MGAS10394)
Taxonomic identifieri286636 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus
Proteomesi
  • UP000001167 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001921371 – 515Bifunctional purine biosynthesis protein PurHAdd BLAST515

Structurei

3D structure databases

ProteinModelPortaliQ5XEF2
SMRiQ5XEF2
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini1 – 145MGS-likePROSITE-ProRule annotationAdd BLAST145

Domaini

The IMP cyclohydrolase activity resides in the N-terminal region.UniRule annotation

Sequence similaritiesi

Belongs to the PurH family.UniRule annotation

Phylogenomic databases

HOGENOMiHOG000230372
KOiK00602
OMAiDLLFAWK

Family and domain databases

Gene3Di3.40.140.20, 2 hits
3.40.50.1380, 1 hit
HAMAPiMF_00139 PurH, 1 hit
InterProiView protein in InterPro
IPR024051 AICAR_Tfase_dup_dom_sf
IPR016193 Cytidine_deaminase-like
IPR011607 MGS-like_dom
IPR036914 MGS-like_dom_sf
IPR002695 PurH-like
PANTHERiPTHR11692 PTHR11692, 1 hit
PfamiView protein in Pfam
PF01808 AICARFT_IMPCHas, 1 hit
PF02142 MGS, 1 hit
PIRSFiPIRSF000414 AICARFT_IMPCHas, 1 hit
SMARTiView protein in SMART
SM00798 AICARFT_IMPCHas, 1 hit
SM00851 MGS, 1 hit
SUPFAMiSSF52335 SSF52335, 1 hit
SSF53927 SSF53927, 1 hit
TIGRFAMsiTIGR00355 purH, 1 hit
PROSITEiView protein in PROSITE
PS51855 MGS, 1 hit

Sequencei

Sequence statusi: Complete.

Q5XEF2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTKRALISVS DKSGIIDFAK ELKNLGWDII STGGTKVALD NAGVETIAID
60 70 80 90 100
DVTGFPEMMD GRVKTLHPNI HGGLLARRDV DSHLQAAKDN NIELIDLVVV
110 120 130 140 150
NLYPFKETIL RPDVTYDLAV ENIDIGGPSM LRSAAKNHAS VTVVVDPADY
160 170 180 190 200
ATVLGELADA GQTTFETRQR LAAKVFRHIA AYDALIAEYF TAQVGEAKPE
210 220 230 240 250
KLTITYDLKQ AMRYGENPQQ DADFYQKALP TDYSIASAKQ LNGKELSFNN
260 270 280 290 300
IRDVDAAIRI IRDFKDRPTV VALKHMNPCG IGQADDIETA WDYAYEADPV
310 320 330 340 350
SIFGGIVVLN REVDAATAKK MHPIFLEIII APSYSEEALA ILTNKKKNLR
360 370 380 390 400
ILELPFDAQA ASEVEAEYTG VVGGLLVQNQ DVVAENPSDW QVVTDRQPTE
410 420 430 440 450
QEATALEFAW KAIKYVKSNG IIITNDHMTL GLGAGQTNRV GSVKIAIEQA
460 470 480 490 500
KDHLDGAVLA SDAFFPFADN IEEVAAAGVK AIIQPGGSVR DQDSIDAANK
510
HGLTMIFTGV RHFRH
Length:515
Mass (Da):56,187
Last modified:November 23, 2004 - v1
Checksum:iF2DB2E747198B5FF
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000003 Genomic DNA Translation: AAT86211.1
RefSeqiWP_011184063.1, NC_006086.1

Genome annotation databases

EnsemblBacteriaiAAT86211; AAT86211; M6_Spy0076
KEGGispa:M6_Spy0076

Similar proteinsi

Entry informationi

Entry nameiPUR9_STRP6
AccessioniPrimary (citable) accession number: Q5XEF2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 30, 2005
Last sequence update: November 23, 2004
Last modified: March 28, 2018
This is version 87 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome
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Main funding by: National Institutes of Health