Structure of PDB 1sz1 Chain B Binding Site BS01

Receptor Information
>1sz1 Chain B (length=437) Species: 2234 (Archaeoglobus fulgidus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKVEEILEKALELVIPDEEEVRKGREAEEELRRRLDELGVEYVFVGSYAR
NTWLKGSLEIDVFLLFPEEFSKEELRERGLEIGKAVLDSYEIRYAEHPYV
HGVVKGVEVDVVPCYKLKEPKNIKSAVDRTPFHHKWLEGRIKGKENEVRL
LKGFLKANGIYGAEYKVRGFSGYLCELLIVFYGSFLETVKNARRWTRRTV
IDVAKGEVRKGEEFFVVDPVDEKRNVAANLSLDNLARFVHLCREFMEAPS
LGFFKPKHPLEIEPERLRKIVEERGTAVFAVKFRKPDIVDDNLYPQLERA
SRKIFEFLERENFMPLRSAFKASEEFCYLLFECQIKEISRVFRRMGPQFE
DERNVKKFLSRNRAFRPFIENGRWWAFEMRKFTTPEEGVRSYASTHWHTL
GKNVGESIREYFEIISGEKLFKEPVTAELCEMMGVKD
Ligand information
>1sz1 Chain F (length=76) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
gcggauuuagcucaguugggagagcgccagacugaagaucuggagguccu
guguucgauccacagaauucgcacca
<<<<<<<..<<<<........>>>>.<<<<<.......>>>>>.....<<
<<<.......>>>>>>>>>>>>....
Receptor-Ligand Complex Structure
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PDB1sz1 Mechanism of transfer RNA maturation by CCA-adding enzyme without using an oligonucleotide template.
Resolution6.21 Å
Binding residue
(original residue number in PDB)		E59 R93 A95 E96 Y99 H101 E108 D110 R224 N229 D291 N292 Q296 K303 R310 R344 M345 G346 P347 N354 F358 R361 R373 H396 H398 T399 K402
Binding residue
(residue number reindexed from 1)		E59 R93 A95 E96 Y99 H101 E108 D110 R224 N229 D291 N292 Q296 K303 R310 R344 M345 G346 P347 N354 F358 R361 R373 H396 H398 T399 K402
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

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Molecular Function
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Biological Process
External links
PDB RCSB:1sz1, PDBe:1sz1, PDBj:1sz1
PDBsum1sz1
PubMed15295590
UniProtO28126|CCA_ARCFU CCA-adding enzyme (Gene Name=cca)

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