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Q12F85 (HEM1_POLSJ) Reviewed, UniProtKB/Swiss-Prot

Last modified May 14, 2014. Version 71. 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:Bpro_0851
OrganismPolaromonas sp. (strain JS666 / ATCC BAA-500) [Complete proteome] [HAMAP]
Taxonomic identifier296591 [NCBI]
Taxonomic lineageBacteriaProteobacteriaBetaproteobacteriaBurkholderialesComamonadaceaePolaromonas

Protein attributes

Sequence length426 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 – 426426Glutamyl-tRNA reductase HAMAP-Rule MF_00087
PRO_0000335058

Regions

Nucleotide binding188 – 1936NADP By similarity
Region50 – 534Substrate binding By similarity
Region113 – 1153Substrate binding By similarity

Sites

Active site511Nucleophile By similarity
Binding site1081Substrate By similarity
Binding site1191Substrate By similarity
Site981Important for activity By similarity

Sequences

Sequence LengthMass (Da)Tools
Q12F85 [UniParc].

Last modified August 22, 2006. Version 1.
Checksum: 7718C7CA025F14A2

FASTA42646,573
        10         20         30         40         50         60 
MSVWALGLNH TTAPLDLRGR FAYALDQIEP TLRGLRESLA RQPEATLLST CNRTEIYCAG 

        70         80         90        100        110        120 
DHNDLEHTLE WLAHNGGVSP ALLRSHAYTL QDDQAARHAF RVASGLDSMV LGEPQILGQL 

       130        140        150        160        170        180 
KDAVRAAEDA GAMGSTLHQL FQRSFAVAKE VRTSTEIGAH SISMAAASVR LAGQLFENLG 

       190        200        210        220        230        240 
DIRVLFVGAG EMIDLAATHF AAKTPKSMAI ANRTLERGEK LASRFGAEVM RLADLPSRLH 

       250        260        270        280        290        300 
EFDAVISCTA STLPIIGLGA VERAVKLRKH RPMFMVDLAV PRDIEPEVKD LPDIYLYTVD 

       310        320        330        340        350        360 
DLAHVVQTGK DNRQAAVAQA EVIIDAGVQN FMHWLGQRRT VPLIQQLNAQ TDEWRAAEIA 

       370        380        390        400        410        420 
RAKKLIAKGE PMDAVLDALT RGLTQKMLHG ALAELHAGDA ASREATAHTV SRLFLRGQPP 


KEHKER 

« Hide

References

[1]"Complete sequence of chromosome of Polaromonas sp. JS666."
US DOE Joint Genome Institute
Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Brettin T., Bruce D., Han C., Tapia R., Munk A.C., Gilna P., Schmutz J. expand/collapse author list , Larimer F., Land M., Hauser L., Kyrpides N., Anderson I., Richardson P.
Submitted (APR-2006) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: JS666 / ATCC BAA-500.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000316 Genomic DNA. Translation: ABE42807.1.
RefSeqYP_547705.1. NC_007948.1.

3D structure databases

ProteinModelPortalQ12F85.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING296591.Bpro_0851.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaABE42807; ABE42807; Bpro_0851.
GeneID4011354.
KEGGpol:Bpro_0851.
PATRIC22954772. VBIPolSp102244_0871.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0373.
HOGENOMHOG000109650.
KOK02492.
OMAHEVTGEY.
OrthoDBEOG6MWNBM.

Enzyme and pathway databases

BioCycPSP296591:GHI4-1572-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_POLSJ
AccessionPrimary (citable) accession number: Q12F85
Entry history
Integrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: August 22, 2006
Last modified: May 14, 2014
This is version 71 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