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Protein

tRNA-splicing endonuclease

Gene

endA

Organism
Pyrobaculum neutrophilum (strain DSM 2338 / JCM 9278 / V24Sta) (Thermoproteus neutrophilus)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Endonuclease that removes tRNA introns. Cleaves pre-tRNA at the 5'- and 3'-splice sites to release the intron. The products are an intron and two tRNA half-molecules bearing 2',3' cyclic phosphate and 5'-OH termini. Recognizes a pseudosymmetric substrate in which 2 bulged loops of 3 bases are separated by a stem of 4 bp.UniRule annotation

Catalytic activityi

PretRNA = a 3'-half-tRNA molecule with a 5'-OH end + a 5'-half-tRNA molecule with a 2',3'-cyclic phosphate end + an intron with a 2',3'-cyclic phosphate and a 5'-hydroxyl terminus.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei120UniRule annotation1
Active sitei128UniRule annotation1
Active sitei159UniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLyase
Biological processtRNA processing

Names & Taxonomyi

Protein namesi
Recommended name:
tRNA-splicing endonucleaseUniRule annotation (EC:4.6.1.16UniRule annotation)
Alternative name(s):
tRNA-intron endonucleaseUniRule annotation
Gene namesi
Name:endAUniRule annotation
Ordered Locus Names:Tneu_1435
OrganismiPyrobaculum neutrophilum (strain DSM 2338 / JCM 9278 / V24Sta) (Thermoproteus neutrophilus)
Taxonomic identifieri444157 [NCBI]
Taxonomic lineageiArchaeaCrenarchaeotaThermoproteiThermoprotealesThermoproteaceaePyrobaculum
Proteomesi
  • UP000001694 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10001883421 – 183tRNA-splicing endonucleaseAdd BLAST183

Interactioni

Subunit structurei

Homotetramer; although the tetramer contains four active sites, only two participate in the cleavage. Therefore, it should be considered as a dimer of dimers.UniRule annotation

Protein-protein interaction databases

STRINGi444157.Tneu_1435

Structurei

3D structure databases

SMRiB1Y9D1
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the tRNA-intron endonuclease family. Archaeal short subfamily.UniRule annotation

Phylogenomic databases

eggNOGiarCOG01701 Archaea
COG1676 LUCA
HOGENOMiHOG000107823
KOiK01170
OMAiQFILAIP
OrthoDBiPOG093Z0DMC

Family and domain databases

Gene3Di3.40.1350.10, 1 hit
HAMAPiMF_01833 EndA_short, 1 hit
InterProiView protein in InterPro
IPR011856 tRNA_endonuc-like_dom_sf
IPR036167 tRNA_intron_Endo_cat-like_sf
IPR006677 tRNA_intron_Endonuc_cat-like
IPR006678 tRNA_intron_Endonuc_N
IPR036740 tRNA_intron_Endonuc_N_sf
IPR006676 tRNA_splic
IPR016442 tRNA_splic_arch_short
PANTHERiPTHR21227 PTHR21227, 2 hits
PfamiView protein in Pfam
PF01974 tRNA_int_endo, 1 hit
PF02778 tRNA_int_endo_N, 1 hit
PIRSFiPIRSF005285 tRNA_splic_archaea, 1 hit
SUPFAMiSSF53032 SSF53032, 1 hit
SSF55267 SSF55267, 1 hit
TIGRFAMsiTIGR00324 endA, 1 hit

Sequencei

Sequence statusi: Complete.

B1Y9D1-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSGVLRGLAV VVQDVELARA LYREGFYGRF LGYDKVKRDE VDKVSAPLIL
60 70 80 90 100
ALYEALYLAE RGRIKVVAED GAEIPPEKLA ELGRGMIRNF DDVYKIYKYF
110 120 130 140 150
RDLGYVVKSG LKFGALFSVY EKGPGIDHAP MVVVFLEPDR GISATDITRG
160 170 180
GRLGHSVKKT FTLATVLRQT GEVVLLGFSW AKL
Length:183
Mass (Da):20,350
Last modified:May 20, 2008 - v1
Checksum:iC82380BB0FBA252E
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001014 Genomic DNA Translation: ACB40360.1

Genome annotation databases

EnsemblBacteriaiACB40360; ACB40360; Tneu_1435
KEGGitne:Tneu_1435

Similar proteinsi

Entry informationi

Entry nameiENDA_PYRNV
AccessioniPrimary (citable) accession number: B1Y9D1
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: May 20, 2008
Last modified: March 28, 2018
This is version 61 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome
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Main funding by: National Institutes of Health