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Protein

tRNA-splicing endonuclease

Gene

endA

Organism
Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A)
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:MA_3624
OrganismiMethanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A)
Taxonomic identifieri188937 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanomicrobiaMethanosarcinalesMethanosarcinaceaeMethanosarcina
Proteomesi
  • UP000002487 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001094871 – 350tRNA-splicing endonucleaseAdd BLAST350

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi188937.MA3624.

Structurei

3D structure databases

ProteinModelPortaliQ8TGX1.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiarCOG01701. Archaea.
COG1676. LUCA.
InParanoidiQ8TGX1.
KOiK01170.
OMAiRGFYLSP.
PhylomeDBiQ8TGX1.

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.

Q8TGX1-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKTQLEGDRV LAGKEAVAEL YKTGYFGRPR EDGLELSLVE AAYLQFRGKI
60 70 80 90 100
EIELEGRKLD FRALFEQASL RQPNFELKYI VYKDLKERGY YVQPSAADFR
110 120 130 140 150
VYPRGSHPGK SAAKIFVHVL SERQPLPVKL LQDSVISAEN VHKQFILAVV
160 170 180 190 200
DEESDLTFYE IKTASPQGEM PEPYPEVKTD ATFLEDRVIA WDAEASGALY
210 220 230 240 250
AGGFYGKMLD PERLQLSLVE SLYLFSRGII VVRDRKDRIF SFDEFVEKAS
260 270 280 290 300
EIESSFLRKY GAYKALRDSG HVVKTGFKFG THFRVYRKVE SIEKIPHSEY
310 320 330 340 350
LVNVIPSDYE FRLPVMSGAV RLANSVRKRM LFAVEKEEGV EYLDISRVKM
Length:350
Mass (Da):40,133
Last modified:June 1, 2002 - v1
Checksum:i472FF8999A2C4C44
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE010299 Genomic DNA. Translation: AAM06979.1.
RefSeqiWP_011023532.1. NC_003552.1.

Genome annotation databases

EnsemblBacteriaiAAM06979; AAM06979; MA_3624.
GeneIDi1475517.
KEGGimac:MA_3624.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE010299 Genomic DNA. Translation: AAM06979.1.
RefSeqiWP_011023532.1. NC_003552.1.

3D structure databases

ProteinModelPortaliQ8TGX1.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi188937.MA3624.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAM06979; AAM06979; MA_3624.
GeneIDi1475517.
KEGGimac:MA_3624.

Phylogenomic databases

eggNOGiarCOG01701. Archaea.
COG1676. LUCA.
InParanoidiQ8TGX1.
KOiK01170.
OMAiRGFYLSP.
PhylomeDBiQ8TGX1.

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_METAC
AccessioniPrimary (citable) accession number: Q8TGX1
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 11, 2004
Last sequence update: June 1, 2002
Last modified: November 2, 2016
This is version 78 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.