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Q3JDR3 (HEM1_NITOC) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 69. 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:Noc_0510
OrganismNitrosococcus oceani (strain ATCC 19707 / NCIMB 11848) [Complete proteome] [HAMAP]
Taxonomic identifier323261 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaChromatialesChromatiaceaeNitrosococcus

Protein attributes

Sequence length420 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 – 420420Glutamyl-tRNA reductase HAMAP-Rule MF_00087
PRO_1000004657

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
Q3JDR3 [UniParc].

Last modified November 8, 2005. Version 1.
Checksum: 45C2D8B1124D5C80

FASTA42046,445
        10         20         30         40         50         60 
MQLLAFGVNH KTASVAIREQ ITFAPERLPS ALTELVNRSG AKEAAILSTC NRTELYCGCA 

        70         80         90        100        110        120 
PGQQEAVIEW LRQYHGMEPK ILETCLYTHP DHSAVRHLLR VASGLDSMVL GEPQILGQIK 

       130        140        150        160        170        180 
AAYSYGLEAG TIGRVLGRLF QHTFYVAKQV RTDTAIGTSP ISVAFAAVSL AKQIFGDLES 

       190        200        210        220        230        240 
TTAFLIGAGE TIELAARHLF TNGVGHIIVA NRNLDKAYQL ANQFNGYAIP LAEMPKHLSE 

       250        260        270        280        290        300 
ADIVISSTGS QLPILGKGTV ERALRIRKHR PIFMVDIAVP RDIEPEVGEL QDIYLYNVDD 

       310        320        330        340        350        360 
LQEVVQENLR SRQAAALQAE EIIDTQVEYF MDWVRTQDAV PVICAVRQEA DQLRKEALEK 

       370        380        390        400        410        420 
ARRRLAQGHD PNEVLTMLAH NLTNKLMHVP TRQLRSLGAT GDELALQAAL KIFDVDHFKA 

« Hide

References

[1]"Complete genome sequence of the marine, chemolithoautotrophic, ammonia-oxidizing bacterium Nitrosococcus oceani ATCC 19707."
Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J., Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T., Vergez L.M., Ward B.B.
Appl. Environ. Microbiol. 72:6299-6315(2006) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 19707 / NCIMB 11848.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000127 Genomic DNA. Translation: ABA57033.1.
RefSeqYP_342563.1. NC_007484.1.

3D structure databases

ProteinModelPortalQ3JDR3.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING323261.Noc_0510.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaABA57033; ABA57033; Noc_0510.
GeneID3706681.
KEGGnoc:Noc_0510.
PATRIC22704786. VBINitOce57959_0637.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0373.
HOGENOMHOG000109650.
KOK02492.
OMARTEIYCA.
OrthoDBEOG6MWNBM.
ProtClustDBCLSK2770838.

Enzyme and pathway databases

BioCycNOCE323261:GCI3-514-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_NITOC
AccessionPrimary (citable) accession number: Q3JDR3
Entry history
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: November 8, 2005
Last modified: February 19, 2014
This is version 69 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