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Q9KQ24

- HEM1_VIBCH

UniProt

Q9KQ24 - HEM1_VIBCH

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Protein

Glutamyl-tRNA reductase

Gene

hemA

Organism
Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)
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).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
Sitei97 – 971Important for activityUniRule annotation
Binding sitei107 – 1071SubstrateUniRule annotation
Binding sitei118 – 1181SubstrateUniRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi187 – 1926NADPUniRule annotation

GO - Molecular functioni

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

GO - Biological processi

  1. porphyrin-containing compound biosynthetic process Source: TIGR
  2. 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

BioCyciVCHO:VC2180-MONOMER.
UniPathwayiUPA00251; UER00316.

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:VC_2180
OrganismiVibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)
Taxonomic identifieri243277 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaVibrionalesVibrionaceaeVibrio
ProteomesiUP000000584: Chromosome 1

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 419419Glutamyl-tRNA reductasePRO_0000114083Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi243277.VC2180.

Structurei

3D structure databases

ProteinModelPortaliQ9KQ24.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni49 – 524Substrate bindingUniRule annotation
Regioni112 – 1143Substrate 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.
KOiK02492.
OMAiHEVTGEY.
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.

Q9KQ24-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MSLLAIGINH NTASVELREK VAFGPEKLSL ALNQLSTSSH VKGGVILSTC
60 70 80 90 100
NRTEIYCDVR SASKNKVIEW LSQFHQVSLD ELKPSLYVHE EQAAIRHLMR
110 120 130 140 150
VACGLDSLVL GEPQILGQVK QAYAEARENH AVNPATEKLF QKAFSVAKRV
160 170 180 190 200
RTETEIGGSA VSVAYAACTL AKHIFESLAD ATVLLVGAGE TIELVAKHLA
210 220 230 240 250
GHHCKRMIVA NRTRERALSL AQQFGADVIA LNEIPDYLAQ ADIVISSTAS
260 270 280 290 300
PLPIIGKGMV ESALKARRHQ PMLLVDIAVP RDIEPQVGKL NDAYLYSVDD
310 320 330 340 350
LQSIVDSNIE QRKVEAIQAE AIVSEESATF MSWMRSLQAV DSIRDYRKQA
360 370 380 390 400
NEAREELLNK SLQALAAGGD PEKLLIELSN KLTNKLIHTP TRALQTAAEQ
410
GEPAKLAVIR QSLGLDDLN
Length:419
Mass (Da):45,744
Last modified:October 1, 2000 - v1
Checksum:i6D2D870AD3EEF8EC
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF227752 Genomic DNA. Translation: AAK00701.1.
AE003852 Genomic DNA. Translation: AAF95325.1.
PIRiC82109.
RefSeqiNP_231811.1. NC_002505.1.
WP_000054219.1. NC_002505.1.

Genome annotation databases

EnsemblBacteriaiAAF95325; AAF95325; VC_2180.
GeneIDi2613316.
KEGGivch:VC2180.
PATRICi20083373. VBIVibCho83274_2078.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF227752 Genomic DNA. Translation: AAK00701.1 .
AE003852 Genomic DNA. Translation: AAF95325.1 .
PIRi C82109.
RefSeqi NP_231811.1. NC_002505.1.
WP_000054219.1. NC_002505.1.

3D structure databases

ProteinModelPortali Q9KQ24.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 243277.VC2180.

Protocols and materials databases

DNASUi 2613316.
Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAF95325 ; AAF95325 ; VC_2180 .
GeneIDi 2613316.
KEGGi vch:VC2180.
PATRICi 20083373. VBIVibCho83274_2078.

Phylogenomic databases

eggNOGi COG0373.
KOi K02492.
OMAi HEVTGEY.
OrthoDBi EOG6MWNBM.

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
BioCyci VCHO:VC2180-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

« Hide 'large scale' publications
  1. "Cloning and characterization of hemA and hemM gene of Vibrio cholerae (Bengal strain)."
    Ravichandran M., Lalitha P., Tang T.H., Chan Y.Y., Johari M.R., Zainuddin Z.F.
    Submitted (JAN-2000) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: Bengal.
  2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 39315 / El Tor Inaba N16961.

Entry informationi

Entry nameiHEM1_VIBCH
AccessioniPrimary (citable) accession number: Q9KQ24
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 3, 2002
Last sequence update: October 1, 2000
Last modified: October 1, 2014
This is version 99 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