Structure of PDB 1r8a Chain A Binding Site BS01

Receptor Information
>1r8a Chain A (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
Ligand IDMN
InChIInChI=1S/Mn/q+2
InChIKeyWAEMQWOKJMHJLA-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mn+2]
CACTVS 3.341[Mn++]
FormulaMn
NameMANGANESE (II) ION
ChEMBL
DrugBankDB06757
ZINC
PDB chain1r8a Chain A Residue 603 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1r8a Crystal structures of an archaeal class I CCA-adding enzyme and its nucleotide complexes
Resolution2.1 Å
Binding residue
(original residue number in PDB)		R129 H133 D218
Binding residue
(residue number reindexed from 1)		R129 H133 D218
Annotation score1
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:1r8a, PDBe:1r8a, PDBj:1r8a
PDBsum1r8a
PubMed14636575
UniProtO28126|CCA_ARCFU CCA-adding enzyme (Gene Name=cca)

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