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Q1RCM8

- HEM1_ECOUT

UniProt

Q1RCM8 - HEM1_ECOUT

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Protein
Glutamyl-tRNA reductase
Gene
hemA, UTI89_C1404
Organism
Escherichia coli (strain UTI89 / UPEC)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA) By similarity.UniRule annotation

Catalytic activityi

L-glutamate 1-semialdehyde + NADP+ + tRNA(Glu) = L-glutamyl-tRNA(Glu) + NADPH.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei50 – 501Nucleophile By similarity
Sitei99 – 991Important for activity By similarity
Binding sitei109 – 1091Substrate By similarity
Binding sitei120 – 1201Substrate By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi189 – 1946NADP By similarity

GO - Molecular functioni

  1. NADP binding Source: InterPro
  2. glutamyl-tRNA reductase activity Source: UniProtKB-HAMAP
Complete GO annotation...

GO - Biological processi

  1. protoporphyrinogen IX biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Porphyrin biosynthesis

Keywords - Ligandi

NADP

Enzyme and pathway databases

BioCyciECOL364106:GHPQ-1392-MONOMER.
UniPathwayiUPA00251; UER00316.

Names & Taxonomyi

Protein namesi
Recommended name:
Glutamyl-tRNA reductase (EC:1.2.1.70)
Short name:
GluTR
Gene namesi
Name:hemA
Ordered Locus Names:UTI89_C1404
OrganismiEscherichia coli (strain UTI89 / UPEC)
Taxonomic identifieri364106 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000001952: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 418418Glutamyl-tRNA reductaseUniRule annotation
PRO_0000335031Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi364106.UTI89_C1404.

Structurei

3D structure databases

ProteinModelPortaliQ1RCM8.
SMRiQ1RCM8. Positions 2-418.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni49 – 524Substrate binding By similarity
Regioni114 – 1163Substrate binding By similarity

Domaini

Possesses an unusual extended V-shaped dimeric structure with each monomer consisting of three distinct domains arranged along a curved 'spinal' alpha-helix. The N-terminal catalytic domain specifically recognizes the glutamate moiety of the substrate. The second domain is the NADPH-binding domain, and the third C-terminal domain is responsible for dimerization By similarity.UniRule annotation

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0373.
HOGENOMiHOG000109650.
KOiK02492.
OMAiLAHKLTN.
OrthoDBiEOG6MWNBM.

Family and domain databases

Gene3Di3.40.50.720. 1 hit.
HAMAPiMF_00087. Glu_tRNA_reductase.
InterProiIPR000343. 4pyrrol_synth_GluRdtase.
IPR015896. 4pyrrol_synth_GluRdtase_dimer.
IPR015895. 4pyrrol_synth_GluRdtase_N.
IPR018214. GluRdtase_CS.
IPR016040. NAD(P)-bd_dom.
IPR006151. Shikm_DH/Glu-tRNA_Rdtase.
[Graphical view]
PfamiPF00745. GlutR_dimer. 1 hit.
PF05201. GlutR_N. 1 hit.
PF01488. Shikimate_DH. 1 hit.
[Graphical view]
PIRSFiPIRSF000445. 4pyrrol_synth_GluRdtase. 1 hit.
SUPFAMiSSF69075. SSF69075. 1 hit.
SSF69742. SSF69742. 1 hit.
TIGRFAMsiTIGR01035. hemA. 1 hit.
PROSITEiPS00747. GLUTR. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q1RCM8-1 [UniParc]FASTAAdd to Basket

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MTLLALGINH KTAPVSLRER VSFSPDKLDQ ALDSLLAQPM VQGGVVLSTC    50
NRTELYLSVE ERDDLQEALI RWLCDYHNLN EDDLRNSLYW HQDNDAVSHL 100
MRVASGLDSL VLGEPQILGQ VKKAFADSQK GHMKASELER MFQKSFSVAK 150
RVRTETDIGA SAVSVAFAAC TLARQIFESL STVTVLLVGA GETIELVARH 200
LREHKVQKMI IANRTRERAQ ILADEVGAEV IALSDIDERL READIIISST 250
ASPLPIIGKG MVERALKSRR NQPMLLVDIA VPRDVEPEVG KLANAYLYSV 300
DDLQSIISHN LAQRKAAAVE AETIVAQEAS EFMAWLRAQS ASETIRDYRS 350
QAEQVRDELT AKALAALEQG GDAQTIMQDL AWKLTNRLIH APTKSLQQAA 400
RDGDNERLNI LRDSLGLE 418
Length:418
Mass (Da):46,294
Last modified:May 20, 2008 - v2
Checksum:i2B1F208C0C46F80C
GO

Sequence cautioni

The sequence ABE06886.1 differs from that shown. Reason: Erroneous initiation.

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000243 Genomic DNA. Translation: ABE06886.1. Different initiation.
RefSeqiYP_540417.1. NC_007946.1.

Genome annotation databases

EnsemblBacteriaiABE06886; ABE06886; UTI89_C1404.
GeneIDi3989871.
KEGGieci:UTI89_C1404.
PATRICi18452409. VBIEscCol42261_1458.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000243 Genomic DNA. Translation: ABE06886.1 . Different initiation.
RefSeqi YP_540417.1. NC_007946.1.

3D structure databases

ProteinModelPortali Q1RCM8.
SMRi Q1RCM8. Positions 2-418.
ModBasei Search...

Protein-protein interaction databases

STRINGi 364106.UTI89_C1404.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABE06886 ; ABE06886 ; UTI89_C1404 .
GeneIDi 3989871.
KEGGi eci:UTI89_C1404.
PATRICi 18452409. VBIEscCol42261_1458.

Phylogenomic databases

eggNOGi COG0373.
HOGENOMi HOG000109650.
KOi K02492.
OMAi LAHKLTN.
OrthoDBi EOG6MWNBM.

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
BioCyci ECOL364106:GHPQ-1392-MONOMER.

Family and domain databases

Gene3Di 3.40.50.720. 1 hit.
HAMAPi MF_00087. Glu_tRNA_reductase.
InterProi IPR000343. 4pyrrol_synth_GluRdtase.
IPR015896. 4pyrrol_synth_GluRdtase_dimer.
IPR015895. 4pyrrol_synth_GluRdtase_N.
IPR018214. GluRdtase_CS.
IPR016040. NAD(P)-bd_dom.
IPR006151. Shikm_DH/Glu-tRNA_Rdtase.
[Graphical view ]
Pfami PF00745. GlutR_dimer. 1 hit.
PF05201. GlutR_N. 1 hit.
PF01488. Shikimate_DH. 1 hit.
[Graphical view ]
PIRSFi PIRSF000445. 4pyrrol_synth_GluRdtase. 1 hit.
SUPFAMi SSF69075. SSF69075. 1 hit.
SSF69742. SSF69742. 1 hit.
TIGRFAMsi TIGR01035. hemA. 1 hit.
PROSITEi PS00747. GLUTR. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Identification of genes subject to positive selection in uropathogenic strains of Escherichia coli: a comparative genomics approach."
    Chen S.L., Hung C.-S., Xu J., Reigstad C.S., Magrini V., Sabo A., Blasiar D., Bieri T., Meyer R.R., Ozersky P., Armstrong J.R., Fulton R.S., Latreille J.P., Spieth J., Hooton T.M., Mardis E.R., Hultgren S.J., Gordon J.I.
    Proc. Natl. Acad. Sci. U.S.A. 103:5977-5982(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: UTI89 / UPEC.

Entry informationi

Entry nameiHEM1_ECOUT
AccessioniPrimary (citable) accession number: Q1RCM8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: May 20, 2008
Last modified: September 3, 2014
This is version 69 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

During catalysis, the active site Cys acts as a nucleophile attacking the alpha-carbonyl group of tRNA-bound glutamate with the formation of a thioester intermediate between enzyme and glutamate, and the concomitant release of tRNA(Glu). The thioester intermediate is finally reduced by direct hydride transfer from NADPH, to form the product GSA By similarity.

Keywords - Technical termi

Complete proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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