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Glossary of terms

TermsExplanations
Molecule_nameName of the small molecule
Molecule_IDEntry number of the small molecule in the database. This number can be used to get all information relevant to the molecule during search.
Target_RNA_nameName of the RNA target
Target_RNA_IDEntry number of the RNA target in the database. This number can be used to get all information relevant to the RNA during search.
Ka(M)Association constant of the small molecule in molar units
Ki(M)Inhibition constant of the small molecule in molar units
Kd(M)Dissociation constant of the small molecule in molar units
IC50(M)Half-maximal inhibitory concentration of the small molecule in molar units
EC50(M)Half-maximal effective concentration of the small molecule in molar units
T50(M)Half-maximal activation constant of the small molecule in molar units
PDB_IDProtein Data Bank code for the RNA-small molecule complex, wherever available
Modeled_complexLink to the modeled RNA-small molecule complex obtained using RDock program
Reference_DOIThe Digital Object Identifier (DOI) of the reference article or the source article for the RNA-small molecule interaction
Reference_PMIDLink to the PubMed identifier of the reference article
TitleTitle of the reference article
Authors_listList of authors for the reference article
Journal_nameName of the journal where the reference article has been published
VolumeVolume of the journal in which the reference article has been published
Page_numberPage numbers in the specific volume of the journal where the reference article has been published
YearYear in which the reference article was published
Ligand_concentrationConcentration of the small molecule (ligand) used for experimental validation of the RNA-small molecule interaction. Units of the quantity are retained as they appear in the reference article.
RNA_concentrationConcentration of the RNA target used for experimental validation of the RNA-small molecule interaction. Units of the quantity are retained as they appear in the reference article.
pHpH at which the experimental validation was performed
TemperatureTemperature at which the experimental validation was performed
Ions_presentNames and concentrations of the various ions (as ionic salts or buffers) used in the experiment
Experimental_methodName of the experimental method used to verify the RNA-small molecule interaction
Data_sourceSource database from which the interaction was taken. For data that are not part of any previously known databases, "Additional" tag is used here.
SMILESSimplified Molecular Input Line Entry System (SMILES) identifier for the small molecule
IUPAC_nameThe standard IUPAC name for the small molecule, wherever available
Pubchem_CIDLink to the PubChem chemical identifier page of the small molecule, wherever available
LogPPredicted octanol-water partition coefficient of the small molecule (from RDKit)
MWMolecular weight (in Da) of the small molecule (from RDKit)
HBACount of hydrogen bond acceptors in the small molecule (from RDKit)
HBDCount of hydrogen bond donors in the small molecule (from RDKit)
NRBNumber of rotatable bonds present in the small molecule (from RDKit)
TPSATopological Polar Surface Area (in Å2) of the small molecule (from RDKit)
Benzene_countNumber of benzene rings present in the small molecule (from RDKit)
QEDQuantitative estimate of drug-likeness of the small molecule (from RDKit)
SASSynthetic Accessibility Score of the small molecule (from RDKit)
Heavy_atom_countNumber of heavy atoms (non-hydrogen atoms) present in the small molecule (from RDKit)
Target_RNA_sequencePrimary sequence of bases present in the RNA target
Sequence_sourceSource of the RNA primary sequence information
RNA_typeType of RNA target (mRNA, miRNA, lncRNA, viral RNA etc.,)
RNA_subclassSubclass of RNA target (pre-miRNA, pri-miRNA, FSS element, TAR element, Riboswitch etc.,)
RNA_sequence_lengthLength of the RNA primary sequence (in bases)
Target_regionRegion where the binding site for the small molecule can be found (5'-UTR, 3'-UTR, Splice site etc.,)
Secondary_structureSecondary structure formed by the target region (Stem-loop, Bulge, G-quadruplex etc.,)

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The database is maintained by Protein Bioinformatics Lab

Department of Biotechnology, Indian Institute of Technology Madras