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Q1BSB3

- HEM1_BURCA

UniProt

Q1BSB3 - HEM1_BURCA

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Protein
Glutamyl-tRNA reductase
Gene
hemA, Bcen_2593
Organism
Burkholderia cenocepacia (strain AU 1054)
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 sitei56 – 561Nucleophile By similarity
Sitei104 – 1041Important for activity By similarity
Binding sitei114 – 1141Substrate By similarity
Binding sitei125 – 1251Substrate By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi194 – 1996NADP By similarity

GO - Molecular functioni

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

GO - Biological processi

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

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Porphyrin biosynthesis

Keywords - Ligandi

NADP

Enzyme and pathway databases

BioCyciBCEN331271:GHKX-2647-MONOMER.
UniPathwayiUPA00251; UER00316.

Names & Taxonomyi

Protein namesi
Recommended name:
Glutamyl-tRNA reductase (EC:1.2.1.70)
Short name:
GluTR
Gene namesi
Name:hemA
Ordered Locus Names:Bcen_2593
OrganismiBurkholderia cenocepacia (strain AU 1054)
Taxonomic identifieri331271 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaBurkholderialesBurkholderiaceaeBurkholderiaBurkholderia cepacia complex
ProteomesiUP000002400: Chromosome 1

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 432432Glutamyl-tRNA reductaseUniRule annotation
PRO_1000004597Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi331271.Bcen_2593.

Structurei

3D structure databases

ProteinModelPortaliQ1BSB3.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni55 – 584Substrate binding By similarity
Regioni119 – 1213Substrate 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.
HOGENOMiHOG000109650.
KOiK02492.
OMAiLAHKLTN.
OrthoDBiEOG6C2WN5.

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.

Q1BSB3-1 [UniParc]FASTAAdd to Basket

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MQLLTIGINH HTAPVALRER VAFPLEQIKP ALVTFKNVFL GPQAPNTPEA    50
AILSTCNRTE LYCATDDRAA REGAVRWLSE YHRIPVDELA PHVYALPQSE 100
AVRHAFRVAS GLDSMVLGET QILGQMKDAV RTATEAGALG TYLNQLFQRT 150
FAVAKEVRGT TEIGTQSVSM AAAAVRLAQR IFEKVSDQRV LLIGAGEMIE 200
LCATHFAAQG PRELVVANRT AERGQRLAER FNGRAMPLAD LPTRMHEFDI 250
IVSCTASTLP IIGLGAVERA VKARRHRPIF MVDLAVPRDI EPEVGKLKDV 300
FLYTVDDLGA IVREGNASRQ AAVAQAEAII ETRVQNFMQW LDTRSVVPVI 350
RHMHTQADAL RRAEVEKAQK LLARGDDPAA VLEALSQALT NKLIHGPTSA 400
LNRVNGADRD SLIDLMRGFY QHAPRSNDQS GH 432
Length:432
Mass (Da):47,457
Last modified:July 11, 2006 - v1
Checksum:iA529F980F53ED630
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000378 Genomic DNA. Translation: ABF77492.1.
RefSeqiWP_011546547.1. NC_008060.1.
YP_622465.1. NC_008060.1.

Genome annotation databases

EnsemblBacteriaiABF77492; ABF77492; Bcen_2593.
GeneIDi4093113.
KEGGibcn:Bcen_2593.
PATRICi19048973. VBIBurCen11237_2722.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000378 Genomic DNA. Translation: ABF77492.1 .
RefSeqi WP_011546547.1. NC_008060.1.
YP_622465.1. NC_008060.1.

3D structure databases

ProteinModelPortali Q1BSB3.
ModBasei Search...

Protein-protein interaction databases

STRINGi 331271.Bcen_2593.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABF77492 ; ABF77492 ; Bcen_2593 .
GeneIDi 4093113.
KEGGi bcn:Bcen_2593.
PATRICi 19048973. VBIBurCen11237_2722.

Phylogenomic databases

eggNOGi COG0373.
HOGENOMi HOG000109650.
KOi K02492.
OMAi LAHKLTN.
OrthoDBi EOG6C2WN5.

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
BioCyci BCEN331271:GHKX-2647-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. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: AU 1054.

Entry informationi

Entry nameiHEM1_BURCA
AccessioniPrimary (citable) accession number: Q1BSB3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: July 11, 2006
Last modified: September 3, 2014
This is version 71 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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