Structure of PDB 1tfw Chain B Binding Site BS01

Receptor Information

>1tfw Chain B (length=437) Species: 2234 (Archaeoglobus fulgidus)

MKVEEILEKALELVIPDEEEVRKGREAEEELRRRLDELGVEYVFVGSYAR
NTWLKGSLEIDVFLLFPEEFSKEELRERGLEIGKAVLDSYEIRYAEHPYV
HGVVKGVEVDVVPCYKLKEPKNIKSAVDRTPFHHKWLEGRIKGKENEVRL
LKGFLKANGIYGAEYKVRGFSGYLCELLIVFYGSFLETVKNARRWTRRTV
IDVAKGEVRKGEEFFVVDPVDEKRNVAANLSLDNLARFVHLCREFMEAPS
LGFFKPKHPLEIEPERLRKIVEERGTAVFAVKFRKPDIVDDNLYPQLERA
SRKIFEFLERENFMPLRSAFKASEEFCYLLFECQIKEISRVFRRMGPQFE
DERNVKKFLSRNRAFRPFIENGRWWAFEMRKFTTPEEGVRSYASTHWHTL
GKNVGESIREYFEIISGEKLFKEPVTAELCEMMGVKD

Ligand information

>1tfw Chain E (length=12)

gcggauccgcac

............

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1tfw Mechanism of transfer RNA maturation by CCA-adding enzyme without using an oligonucleotide template.
• Resolution: 2.2 Å
• Binding residue (original residue number in PDB): N292 P295 Q296 R299 R302 G401
• Binding residue (residue number reindexed from 1): N292 P295 Q296 R299 R302 G401

Enzymatic activity

• Enzyme Commision number: 2.7.7.72: CCA tRNA nucleotidyltransferase.

Gene Ontology

Molecular Function

• GO:0000049 tRNA binding
• GO:0000287 magnesium ion binding
• GO:0003723 RNA binding
• GO:0004810 CCA tRNA nucleotidyltransferase activity
• GO:0005524 ATP binding
• GO:0016779 nucleotidyltransferase activity
• GO:0046872 metal ion binding
• GO:0160016 CCACCA tRNA nucleotidyltransferase activity

Biological Process

• GO:0001680 tRNA 3'-terminal CCA addition
• GO:0008033 tRNA processing
• GO:0031123 RNA 3'-end processing
• GO:0042245 RNA repair
• GO:0106354 tRNA surveillance

External links

• PDB: RCSB:1tfw, PDBe:1tfw, PDBj:1tfw
• PDBsum: 1tfw
• PubMed: 15295590
• UniProt: O28126|CCA_ARCFU CCA-adding enzyme (Gene Name=cca)