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Protein

tRNA-splicing endonuclease

Gene

endA

Organism
Methanosarcina barkeri (strain Fusaro / DSM 804)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-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 (By similarity).By similarity

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 sitei286UniRule annotation1
Active sitei297UniRule annotation1
Active sitei328UniRule annotation1

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Lyase

Keywords - Biological processi

tRNA 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:Mbar_A0349
OrganismiMethanosarcina barkeri (strain Fusaro / DSM 804)
Taxonomic identifieri269797 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanomicrobiaMethanosarcinalesMethanosarcinaceaeMethanosarcina
Proteomesi
  • UP000008156 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00003098191 – 350tRNA-splicing endonucleaseAdd BLAST350

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi269797.Mbar_A0349.

Structurei

3D structure databases

ProteinModelPortaliQ46FK9.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiarCOG01701. Archaea.
COG1676. LUCA.
HOGENOMiHOG000226561.
KOiK01170.
OMAiRGFYLSP.

Family and domain databases

Gene3Di3.40.1350.10. 2 hits.
HAMAPiMF_01834. EndA_long. 1 hit.
InterProiIPR011856. tRNA_endonuc-like_dom.
IPR006677. tRNA_intron_Endonuc_cat-like.
IPR006678. tRNA_intron_Endonuc_N.
IPR006676. tRNA_splic.
IPR023516. tRNA_splic_arch_long.
[Graphical view]
PANTHERiPTHR21227. PTHR21227. 1 hit.
PfamiPF01974. tRNA_int_endo. 2 hits.
PF02778. tRNA_int_endo_N. 2 hits.
[Graphical view]
SUPFAMiSSF53032. SSF53032. 2 hits.
SSF55267. SSF55267. 2 hits.
TIGRFAMsiTIGR00324. endA. 2 hits.

Sequencei

Sequence statusi: Complete.

Q46FK9-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKTQLKGDRV LAEKEAVAEF YKTGYFGRPK GEGLELSLVE AAFLLSRGKL
60 70 80 90 100
EIELEGTMLD FRYFFEQASL RQPNFELKYI VYKDLKERGY YVQPSAADFR
110 120 130 140 150
VYPRGSHPGK SAARIFVHVQ SERQLLPVKL LQDSVISAEN VHKQFILAVV
160 170 180 190 200
DEESDLTFYE VKTAVPKGEM TEPYPAIKTD ATFLEDRVIA WDAQASETLY
210 220 230 240 250
KRGFYGKMLD SERLQLSLVE SLYLFSRGII TVRDRKGKVF SFDEFIEKAS
260 270 280 290 300
EIESFFLRKY SAYKNLRDSG HVVKTGFKFG TNFRVYRKVE SIEKIPHSEY
310 320 330 340 350
LVNAIPADFE FRLSVMSGAV RLANSVRKKM LFAVEKDEEI EYLDISRTKM
Length:350
Mass (Da):40,401
Last modified:September 13, 2005 - v1
Checksum:iBC26ABA079BA2549
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000099 Genomic DNA. Translation: AAZ69333.1.
RefSeqiWP_011305386.1. NC_007355.1.

Genome annotation databases

EnsemblBacteriaiAAZ69333; AAZ69333; Mbar_A0349.
GeneIDi3626593.
KEGGimba:Mbar_A0349.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000099 Genomic DNA. Translation: AAZ69333.1.
RefSeqiWP_011305386.1. NC_007355.1.

3D structure databases

ProteinModelPortaliQ46FK9.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi269797.Mbar_A0349.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAZ69333; AAZ69333; Mbar_A0349.
GeneIDi3626593.
KEGGimba:Mbar_A0349.

Phylogenomic databases

eggNOGiarCOG01701. Archaea.
COG1676. LUCA.
HOGENOMiHOG000226561.
KOiK01170.
OMAiRGFYLSP.

Family and domain databases

Gene3Di3.40.1350.10. 2 hits.
HAMAPiMF_01834. EndA_long. 1 hit.
InterProiIPR011856. tRNA_endonuc-like_dom.
IPR006677. tRNA_intron_Endonuc_cat-like.
IPR006678. tRNA_intron_Endonuc_N.
IPR006676. tRNA_splic.
IPR023516. tRNA_splic_arch_long.
[Graphical view]
PANTHERiPTHR21227. PTHR21227. 1 hit.
PfamiPF01974. tRNA_int_endo. 2 hits.
PF02778. tRNA_int_endo_N. 2 hits.
[Graphical view]
SUPFAMiSSF53032. SSF53032. 2 hits.
SSF55267. SSF55267. 2 hits.
TIGRFAMsiTIGR00324. endA. 2 hits.
ProtoNetiSearch...

Entry informationi

Entry nameiENDA_METBF
AccessioniPrimary (citable) accession number: Q46FK9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 13, 2007
Last sequence update: September 13, 2005
Last modified: November 2, 2016
This is version 69 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.