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A0QR17

- HEM1_MYCS2

UniProt

A0QR17 - HEM1_MYCS2

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Protein
Glutamyl-tRNA reductase
Gene
hemA, MSMEG_0952, MSMEI_0927
Organism
Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155)
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 bindingi190 – 1956NADP 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

BioCyciMSME246196:GJ4Y-952-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:MSMEG_0952, MSMEI_0927
OrganismiMycobacterium smegmatis (strain ATCC 700084 / mc(2)155)
Taxonomic identifieri246196 [NCBI]
Taxonomic lineageiBacteriaActinobacteriaActinobacteridaeActinomycetalesCorynebacterineaeMycobacteriaceaeMycobacterium
ProteomesiUP000000757: Chromosome, UP000006158: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 451451Glutamyl-tRNA reductaseUniRule annotation
PRO_1000004647Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi246196.MSMEG_0952.

Structurei

3D structure databases

ProteinModelPortaliA0QR17.

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.
HOGENOMiHOG000109649.
KOiK02492.
OMAiAITCGKK.
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.

A0QR17-1 [UniParc]FASTAAdd to Basket

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MSVLLFGVSH RSAPVSVLEQ LSTNEAEQAK IIDQVLQSSL VTEAMVLSTC    50
NRVEVYAVVE AFHGGLSVIG QVLAERSGMS LNDLTKYAYV RYAEAAVEHL 100
FAVTSGLDSA VIGEQQVLGQ VRRAYATAEA NRTVGRTLHE LAQRALSVGK 150
RVHSETGIDA AGASVVSVAL GMAETKLSGG LGGRTAAVVG AGAMGALAGA 200
HLVRAGIERV HVVNRSLPRA ERLAKNLTEQ GVVADAVGLD DIARALVDAD 250
VVLSSTGAVR PVVSLADVHY ALAQRTLAGA EHQMVVCDLG MPRDVDPAVS 300
GLPGVWVVDM DRIQREPSAR AAAVDAEAAR NIVAAEVANY LAGQRMAEVT 350
PTVTALRQRA ADVVEAELLR LDNRLPGLDA AHRDEVAKTV RRVVDKLLHA 400
PTVRVKQLAS APGGDSYAEA LRELFELDPQ AVEAVAASEL PLITTDLDKT 450
E 451
Length:451
Mass (Da):47,445
Last modified:January 9, 2007 - v1
Checksum:iDC09641545698C43
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000480 Genomic DNA. Translation: ABK71005.1.
CP001663 Genomic DNA. Translation: AFP37407.1.
RefSeqiWP_011727309.1. NC_018289.1.
YP_006565702.1. NC_018289.1.
YP_885355.1. NC_008596.1.

Genome annotation databases

EnsemblBacteriaiABK71005; ABK71005; MSMEG_0952.
AFP37407; AFP37407; MSMEI_0927.
GeneIDi4534078.
KEGGimsg:MSMEI_0927.
msm:MSMEG_0952.
PATRICi18074360. VBIMycSme59918_0941.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000480 Genomic DNA. Translation: ABK71005.1 .
CP001663 Genomic DNA. Translation: AFP37407.1 .
RefSeqi WP_011727309.1. NC_018289.1.
YP_006565702.1. NC_018289.1.
YP_885355.1. NC_008596.1.

3D structure databases

ProteinModelPortali A0QR17.
ModBasei Search...

Protein-protein interaction databases

STRINGi 246196.MSMEG_0952.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABK71005 ; ABK71005 ; MSMEG_0952 .
AFP37407 ; AFP37407 ; MSMEI_0927 .
GeneIDi 4534078.
KEGGi msg:MSMEI_0927.
msm:MSMEG_0952.
PATRICi 18074360. VBIMycSme59918_0941.

Phylogenomic databases

eggNOGi COG0373.
HOGENOMi HOG000109649.
KOi K02492.
OMAi AITCGKK.
OrthoDBi EOG6MWNBM.

Enzyme and pathway databases

UniPathwayi UPA00251 ; UER00316 .
BioCyci MSME246196:GJ4Y-952-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. Fleischmann R.D., Dodson R.J., Haft D.H., Merkel J.S., Nelson W.C., Fraser C.M.
    Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 700084 / mc(2)155.
  2. "Interrupted coding sequences in Mycobacterium smegmatis: authentic mutations or sequencing errors?"
    Deshayes C., Perrodou E., Gallien S., Euphrasie D., Schaeffer C., Van-Dorsselaer A., Poch O., Lecompte O., Reyrat J.-M.
    Genome Biol. 8:R20.1-R20.9(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 700084 / mc(2)155.
  3. "Ortho-proteogenomics: multiple proteomes investigation through orthology and a new MS-based protocol."
    Gallien S., Perrodou E., Carapito C., Deshayes C., Reyrat J.-M., Van Dorsselaer A., Poch O., Schaeffer C., Lecompte O.
    Genome Res. 19:128-135(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 700084 / mc(2)155.

Entry informationi

Entry nameiHEM1_MYCS2
AccessioniPrimary (citable) accession number: A0QR17
Secondary accession number(s): I7FXC4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: January 9, 2007
Last modified: September 3, 2014
This is version 68 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, 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

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