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B7VKH2 (HEM1_VIBSL) Reviewed, UniProtKB/Swiss-Prot

Last modified May 14, 2014. Version 47. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Glutamyl-tRNA reductase

Short name=GluTR
EC=1.2.1.70
Gene names
Name:hemA
Ordered Locus Names:VS_0751
OrganismVibrio splendidus (strain LGP32) (Vibrio splendidus (strain Mel32)) [Complete proteome] [HAMAP]
Taxonomic identifier575788 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaVibrionalesVibrionaceaeVibrio

Protein attributes

Sequence length419 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA) By similarity. HAMAP-Rule MF_00087

Catalytic activity

L-glutamate 1-semialdehyde + NADP+ + tRNA(Glu) = L-glutamyl-tRNA(Glu) + NADPH. HAMAP-Rule MF_00087

Pathway

Porphyrin-containing compound metabolism; protoporphyrin-IX biosynthesis; 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 1/2. HAMAP-Rule MF_00087

Subunit structure

Homodimer By similarity. HAMAP-Rule MF_00087

Domain

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. HAMAP-Rule MF_00087

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.

Sequence similarities

Belongs to the glutamyl-tRNA reductase family.

Ontologies

Keywords
   Biological processPorphyrin biosynthesis
   LigandNADP
   Molecular functionOxidoreductase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological_processprotoporphyrinogen IX biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-UniPathway

   Molecular_functionNADP binding

Inferred from electronic annotation. Source: InterPro

glutamyl-tRNA reductase activity

Inferred from electronic annotation. Source: UniProtKB-HAMAP

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 419419Glutamyl-tRNA reductase HAMAP-Rule MF_00087
PRO_1000190544

Regions

Nucleotide binding187 – 1926NADP By similarity
Region49 – 524Substrate binding By similarity
Region112 – 1143Substrate binding By similarity

Sites

Active site501Nucleophile By similarity
Binding site1071Substrate By similarity
Binding site1181Substrate By similarity
Site971Important for activity By similarity

Sequences

Sequence LengthMass (Da)Tools
B7VKH2 [UniParc].

Last modified February 10, 2009. Version 1.
Checksum: F8CE3AA3D73360B0

FASTA41945,591
        10         20         30         40         50         60 
MSLLAVGINH NTASVELREK VAFGPDKLSE ALKQLNANAH VNGSVILSTC NRTEVYCDVK 

        70         80         90        100        110        120 
GVAKNKLIDW LSVFHQVSPE ELKPSIYIHE EQAAIKHLMR VACGLDSLVL GEPQILGQVK 

       130        140        150        160        170        180 
QAYTDSRDNK SVDASMEKLF QKSFSVAKRV RTETEIGGSA VSVAYAACTL AKHIFESIAE 

       190        200        210        220        230        240 
STVLLVGAGE TIELVAKHLS ANGCTKMIVA NRTRERALGL AEEFGAEVIS LNEIPDHLHR 

       250        260        270        280        290        300 
ADIVISSTAS PLPIIGKGMV ETALKTRKHQ PMLLVDIAVP RDVESQVGDL NDAYLYSVDD 

       310        320        330        340        350        360 
LQSIVDGNIE QRKVEAIQAE AIVSEESAAF MSWMRSLQAV DSIRDYRKSA NEIREELLSK 

       370        380        390        400        410 
SLQSLAAGGD PEKVLLELSN KLTNKLIHAP TRALQSAAEQ GEPAKLTVIR QSLGLENPQ 

« Hide

References

[1]"Vibrio splendidus str. LGP32 complete genome."
Mazel D., Le Roux F.
Submitted (FEB-2009) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: LGP32.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
FM954972 Genomic DNA. Translation: CAV17729.1.
RefSeqYP_002416375.1. NC_011753.2.

3D structure databases

ProteinModelPortalB7VKH2.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING575788.VS_0751.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaCAV17729; CAV17729; VS_0751.
GeneID7160352.
KEGGvsp:VS_0751.
PATRIC20152176. VBIVibSpl48387_2080.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0373.
HOGENOMHOG000109650.
KOK02492.
OMALAHKLTN.
OrthoDBEOG6MWNBM.

Enzyme and pathway databases

BioCycVSPL575788:GH64-724-MONOMER.
UniPathwayUPA00251; UER00316.

Family and domain databases

Gene3D3.40.50.720. 1 hit.
HAMAPMF_00087. Glu_tRNA_reductase.
InterProIPR000343. 4pyrrol_synth_GluRdtase.
IPR015896. 4pyrrol_synth_GluRdtase_dimer.
IPR015895. 4pyrrol_synth_GluRdtase_N.
IPR016040. NAD(P)-bd_dom.
IPR018214. Pyrrol_synth_GluRdtase_CS.
IPR006151. Shikm_DH/Glu-tRNA_Rdtase.
[Graphical view]
PfamPF00745. GlutR_dimer. 1 hit.
PF05201. GlutR_N. 1 hit.
PF01488. Shikimate_DH. 1 hit.
[Graphical view]
PIRSFPIRSF000445. 4pyrrol_synth_GluRdtase. 1 hit.
SUPFAMSSF69075. SSF69075. 1 hit.
SSF69742. SSF69742. 1 hit.
TIGRFAMsTIGR01035. hemA. 1 hit.
PROSITEPS00747. GLUTR. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameHEM1_VIBSL
AccessionPrimary (citable) accession number: B7VKH2
Entry history
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: February 10, 2009
Last modified: May 14, 2014
This is version 47 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways