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B7K1R5

- HEM1_CYAP8

UniProt

B7K1R5 - HEM1_CYAP8

Protein

Glutamyl-tRNA reductase

Gene

hemA

Organism
Cyanothece sp. (strain PCC 8801) (Synechococcus sp. (strain PCC 8801 / RF-1))
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 47 (01 Oct 2014)
      Sequence version 1 (10 Feb 2009)
      Previous versions | rss
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    Functioni

    Catalyzes the NADPH-dependent reduction of glutamyl-tRNA(Glu) to glutamate 1-semialdehyde (GSA).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 – 501NucleophileUniRule annotation
    Sitei99 – 991Important for activityUniRule annotation
    Binding sitei109 – 1091SubstrateUniRule annotation
    Binding sitei120 – 1201SubstrateUniRule annotation

    Regions

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Nucleotide bindingi189 – 1946NADPUniRule annotation

    GO - Molecular functioni

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

    GO - Biological processi

    1. chlorophyll biosynthetic process Source: UniProtKB-HAMAP
    2. protoporphyrinogen IX biosynthetic process Source: UniProtKB-UniPathway

    Keywords - Molecular functioni

    Oxidoreductase

    Keywords - Biological processi

    Chlorophyll biosynthesis, Porphyrin biosynthesis

    Keywords - Ligandi

    NADP

    Enzyme and pathway databases

    BioCyciCSP41431:GHLK-3687-MONOMER.
    UniPathwayiUPA00251; UER00316.
    UPA00668.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Glutamyl-tRNA reductaseUniRule annotation (EC:1.2.1.70UniRule annotation)
    Short name:
    GluTRUniRule annotation
    Gene namesi
    Name:hemAUniRule annotation
    Ordered Locus Names:PCC8801_3645
    OrganismiCyanothece sp. (strain PCC 8801) (Synechococcus sp. (strain PCC 8801 / RF-1))
    Taxonomic identifieri41431 [NCBI]
    Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesCyanothece
    ProteomesiUP000008204: Chromosome

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 428428Glutamyl-tRNA reductasePRO_1000190517Add
    BLAST

    Interactioni

    Subunit structurei

    Homodimer.UniRule annotation

    Protein-protein interaction databases

    STRINGi41431.PCC8801_3645.

    Structurei

    3D structure databases

    ProteinModelPortaliB7K1R5.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Region

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Regioni49 – 524Substrate bindingUniRule annotation
    Regioni114 – 1163Substrate bindingUniRule annotation

    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.UniRule annotation

    Sequence similaritiesi

    Belongs to the glutamyl-tRNA reductase family.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG0373.
    HOGENOMiHOG000109651.
    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.

    B7K1R5-1 [UniParc]FASTAAdd to Basket

    « Hide

    MNIAVVGLSH KTAPVEVREK LSIQEAKLEE ALTHLRGYPH IEEVAIISTC    50
    NRLEIYAVVS DTEKGVVEIT QFLSETGHLP LNYLRRYLFT LLHQDAVRHL 100
    LRVAAGLESL VLGEGQILAQ VKTTHKLGQK YKGIGRLLDR LFKQAITAGK 150
    RVRSETNIGT GAVSISSAAV ELAQTKAEDL ANRRISIIGA GKMARLLVQH 200
    LLSKGATDIT IVNRSHHRAQ ELAAQFPQAS LNLQLLPEMM QVVASSHIVF 250
    TSTAATEPIL HRENLTAALD PNHALMLFDI SVPRNVASDV HGMEGIESYN 300
    VDDLKAVVAQ NYESRRQMAQ EAEGLLEEEV EAFDLWWRSL ETVPTISCLR 350
    TKVETIREQE LEKALSRLGT EFAEKHQEVI EALTRGIVNK ILHEPMVQLR 400
    AQQDIEARKR CLESLKMLFD LEIEEQFG 428
    Length:428
    Mass (Da):47,813
    Last modified:February 10, 2009 - v1
    Checksum:i66CC9B6E7D88364B
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP001287 Genomic DNA. Translation: ACK67607.1.
    RefSeqiYP_002373763.1. NC_011726.1.

    Genome annotation databases

    EnsemblBacteriaiACK67607; ACK67607; PCC8801_3645.
    GeneIDi7105117.
    KEGGicyp:PCC8801_3645.
    PATRICi21579651. VBICyaSp125535_3829.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP001287 Genomic DNA. Translation: ACK67607.1 .
    RefSeqi YP_002373763.1. NC_011726.1.

    3D structure databases

    ProteinModelPortali B7K1R5.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 41431.PCC8801_3645.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai ACK67607 ; ACK67607 ; PCC8801_3645 .
    GeneIDi 7105117.
    KEGGi cyp:PCC8801_3645.
    PATRICi 21579651. VBICyaSp125535_3829.

    Phylogenomic databases

    eggNOGi COG0373.
    HOGENOMi HOG000109651.
    KOi K02492.
    OMAi LAHKLTN.
    OrthoDBi EOG6MWNBM.

    Enzyme and pathway databases

    UniPathwayi UPA00251 ; UER00316 .
    UPA00668 .
    BioCyci CSP41431:GHLK-3687-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. "Novel metabolic attributes of the genus Cyanothece, comprising a group of unicellular nitrogen-fixing Cyanobacteria."
      Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H., Sherman L.A., Pakrasi H.B.
      MBio 2:E214-E214(2011) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: PCC 8801.

    Entry informationi

    Entry nameiHEM1_CYAP8
    AccessioniPrimary (citable) accession number: B7K1R5
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: April 14, 2009
    Last sequence update: February 10, 2009
    Last modified: October 1, 2014
    This is version 47 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.UniRule annotation

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

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

    External Data

    Dasty 3