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Q88PW6

- HEM1_PSEPK

UniProt

Q88PW6 - HEM1_PSEPK

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Protein

Glutamyl-tRNA reductase

Gene
hemA, PP_0732
Organism
Pseudomonas putida (strain KT2440)
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
Sitei97 – 971Important for activity By similarity
Binding sitei107 – 1071Substrate By similarity
Binding sitei118 – 1181Substrate By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi187 – 1926NADP By similarity

GO - Molecular functioni

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

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

BioCyciPPUT160488:GIXO-763-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:PP_0732
OrganismiPseudomonas putida (strain KT2440)
Taxonomic identifieri160488 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPseudomonadalesPseudomonadaceaePseudomonas
ProteomesiUP000000556: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 425425Glutamyl-tRNA reductaseUniRule annotationPRO_0000114059Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi160488.PP_0732.

Structurei

3D structure databases

ProteinModelPortaliQ88PW6.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni49 – 524Substrate binding By similarity
Regioni112 – 1143Substrate 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.

Q88PW6-1 [UniParc]FASTAAdd to Basket

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MAFLALGINH KTASVDVRER VAFTPEQLVD ALQQLCRLTS SREAAILSTC    50
NRSELYIEQD HLSADAVLQW LADYHRLSID ELRASAYVHE EHDAVKHMMR 100
VASGLDSLVL GEPQILGQMK SAYAVAREAG TVGPLLGRLF QATFSAAKQV 150
RTDTAIGENP VSVAFAAVSL AKQIFADLGR SQALLIGAGE TITLVARHLH 200
EQGVRRIVVA NRTLERASIL AEQFGAHAVL LADIPQELAN SDIVISSTAS 250
QLPILGKGAV ESALKQRRHK PIFMVDIAVP RDIETEVGEL DDVYLYTVDD 300
LHDVVAENLK SRQGAAQAAE ELVSVGAEDF MLRLRELAAV DVLRAYRQQS 350
ERLRDEELQK ALRLLANGGN PEDVLAQLAR GLTNKLLHAP SVQLKKLSAE 400
GRLDALAMAQ ELFALNEGST DKSPQ 425
Length:425
Mass (Da):46,306
Last modified:June 1, 2003 - v1
Checksum:iBC141CA9076433B8
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE015451 Genomic DNA. Translation: AAN66357.1.
RefSeqiNP_742893.1. NC_002947.3.

Genome annotation databases

EnsemblBacteriaiAAN66357; AAN66357; PP_0732.
GeneIDi1044565.
KEGGippu:PP_0732.
PATRICi19939593. VBIPsePut30601_0784.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE015451 Genomic DNA. Translation: AAN66357.1 .
RefSeqi NP_742893.1. NC_002947.3.

3D structure databases

ProteinModelPortali Q88PW6.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 160488.PP_0732.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAN66357 ; AAN66357 ; PP_0732 .
GeneIDi 1044565.
KEGGi ppu:PP_0732.
PATRICi 19939593. VBIPsePut30601_0784.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
BioCyci PPUT160488:GIXO-763-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. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: KT2440.

Entry informationi

Entry nameiHEM1_PSEPK
AccessioniPrimary (citable) accession number: Q88PW6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 24, 2003
Last sequence update: June 1, 2003
Last modified: September 3, 2014
This is version 85 of the entry and version 1 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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