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Q5N3B4

- HEM1_SYNP6

UniProt

Q5N3B4 - HEM1_SYNP6

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Protein
Glutamyl-tRNA reductase
Gene
hemA, syc1016_d
Organism
Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis nidulans)
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
Sitei99 – 991Important for activity By similarity
Binding sitei109 – 1091Substrate By similarity
Binding sitei120 – 1201Substrate By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi197 – 2026NADP By similarity

GO - Molecular functioni

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

GO - Biological processi

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

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Chlorophyll biosynthesis, Porphyrin biosynthesis

Keywords - Ligandi

NADP

Enzyme and pathway databases

BioCyciSELO269084:GCDQ-1040-MONOMER.
UniPathwayiUPA00251; UER00316.
UPA00668.

Names & Taxonomyi

Protein namesi
Recommended name:
Glutamyl-tRNA reductase (EC:1.2.1.70)
Short name:
GluTR
Gene namesi
Name:hemA
Ordered Locus Names:syc1016_d
OrganismiSynechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis nidulans)
Taxonomic identifieri269084 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechococcus
ProteomesiUP000001175: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 438438Glutamyl-tRNA reductaseUniRule annotation
PRO_1000004709Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi269084.syc1016_d.

Structurei

3D structure databases

ProteinModelPortaliQ5N3B4.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni49 – 524Substrate binding By similarity
Regioni114 – 1163Substrate 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.
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.

Q5N3B4-1 [UniParc]FASTAAdd to Basket

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MHLAVVGLSH RTAPVAVREK LSIPEQQVEA AIQQLKSYPH IEEVAILSTC    50
NRLEIYCVTR ATEPGVREIT QFLSEHSHLP LGELRPHLFV LLHQDAVMHL 100
MRVAAGLDSL VLGEGQILSQ VKTMYKLGQQ YEGVGRILNR LLKQAVTAGK 150
RVRTETSIGT GAVSISSAAV ELAQLKVIAR DDRSDGNLAG QRVLILGAGK 200
MSRLLVQHLI AKGADTIQIL NRTLGRAEEL AKQYGGDLQI QVGLLSGLMN 250
AIVEADIVFT STSATDPILD RAKLEMVLAP EQRLMLIDIA VPRNVAADVV 300
ELTSVESYNV DDLREVVAQN QESRRKLAEE AEALLEEEVD AFDNWWQSLD 350
TVPTINCLRD KIEMIREQEL EKALSRLGTE FGDKHQAVVE ALTRGIVNKI 400
LHDPMVQLRS QQDIEARRRA VDALQMLFNL DPQGQLSS 438
Length:438
Mass (Da):48,445
Last modified:February 1, 2005 - v1
Checksum:iA43002486A81F746
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AP008231 Genomic DNA. Translation: BAD79206.1.
RefSeqiYP_171726.1. NC_006576.1.

Genome annotation databases

EnsemblBacteriaiBAD79206; BAD79206; syc1016_d.
GeneIDi3199869.
KEGGisyc:syc1016_d.
PATRICi32487844. VBISynElo117686_1182.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AP008231 Genomic DNA. Translation: BAD79206.1 .
RefSeqi YP_171726.1. NC_006576.1.

3D structure databases

ProteinModelPortali Q5N3B4.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 269084.syc1016_d.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAD79206 ; BAD79206 ; syc1016_d .
GeneIDi 3199869.
KEGGi syc:syc1016_d.
PATRICi 32487844. VBISynElo117686_1182.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
UPA00668 .
BioCyci SELO269084:GCDQ-1040-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. "Complete nucleotide sequence of the freshwater unicellular cyanobacterium Synechococcus elongatus PCC 6301 chromosome: gene content and organization."
    Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M., Kanehisa M., Omata T., Sugiura M., Sugita M.
    Photosyn. Res. 93:55-67(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 27144 / PCC 6301 / SAUG 1402/1.

Entry informationi

Entry nameiHEM1_SYNP6
AccessioniPrimary (citable) accession number: Q5N3B4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: February 1, 2005
Last modified: September 3, 2014
This is version 75 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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