ChemiInfo Quest: SMILES & Databases

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Cheminformatics basics

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ALEYAMMA ALEXANDER

India

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Froggy Jumps ChemiInfo Quest: SMILES & DatabasesOnline version Cheminformatics basics by ALEYAMMA ALEXANDER 1 In a molecular graph, what do vertices and edges represent? a Vertices are atoms and edges are bonds. b Vertices are oxygen and edges are Carbon c Vertices are electrons and edges are neutrons 2 What does the "@" symbol represent in a SMILES string? a Stereochemistry b N bond c O bond 3 What does SMILES stand for in cheminformatics? a Standardized Molecular Information Language b Simplified Molecular Input Line Entry Specification c Smart Molecular Identification Language 4 Which database is most famous for small molecules and bioactivity data? a Protein Data Bank b ChEMBL c GenBank 5 Which SMILES feature represents aromatic rings with lowercase letters? a Isotope tagging b Chiral notation c Aromatic notation 6 In SMILES, which symbol denotes a single bond? a = b - c # 7 Which database focuses on material chemistry and inorganic compounds? a ChemSpider b InChIKeys? (Note: tricky—provide best approximation) c PubChem 8 What is the primary use of SMILES strings? a Represent chemical structures textually for computers b Store reaction rates c Draw 2D structures by hand 9 Which notation indicates ring closure in SMILES? a Colon between atoms b Brackets around atoms c Digits after atom symbols 10 Name a major free database for chemical structures and properties. a PubChem b EMBL c UniProt 11 Which descriptor is commonly used to encode 3D conformations? a SDF (Structure Data Format) b SMILES c SMARTS 12 What is the role of fingerprints in chemiinformatics? a To print chemical structures b To encode molecular features for similarity searches c To store experimental spectra

Froggy Jumps

ChemiInfo Quest: SMILES & DatabasesOnline version

Cheminformatics basics

by ALEYAMMA ALEXANDER

In a molecular graph, what do vertices and edges represent?

Vertices are atoms and edges are bonds.

Vertices are oxygen and edges are Carbon

Vertices are electrons and edges are neutrons

What does the "@" symbol represent in a SMILES string?

Stereochemistry

N bond

O bond

What does SMILES stand for in cheminformatics?

Standardized Molecular Information Language

Simplified Molecular Input Line Entry Specification

Smart Molecular Identification Language

Which database is most famous for small molecules and bioactivity data?

Protein Data Bank

ChEMBL

GenBank

Which SMILES feature represents aromatic rings with lowercase letters?

Isotope tagging

Chiral notation

Aromatic notation

In SMILES, which symbol denotes a single bond?

Which database focuses on material chemistry and inorganic compounds?

ChemSpider

InChIKeys? (Note: tricky—provide best approximation)

PubChem

What is the primary use of SMILES strings?

Represent chemical structures textually for computers

Store reaction rates

Draw 2D structures by hand

Which notation indicates ring closure in SMILES?

Colon between atoms

Brackets around atoms

Digits after atom symbols

Name a major free database for chemical structures and properties.

PubChem

EMBL

UniProt

Which descriptor is commonly used to encode 3D conformations?

SDF (Structure Data Format)

SMILES

SMARTS

What is the role of fingerprints in chemiinformatics?

To print chemical structures

To encode molecular features for similarity searches

To store experimental spectra

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ChemiInfo Quest: SMILES & Databases

Froggy Jumps

About this activity

Created by

Download the paper version to play

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ChemiInfo Quest: SMILES & DatabasesOnline version

by ALEYAMMA ALEXANDER

In a molecular graph, what do vertices and edges represent?

What does the "@" symbol represent in a SMILES string?

What does SMILES stand for in cheminformatics?

Which database is most famous for small molecules and bioactivity data?

Which SMILES feature represents aromatic rings with lowercase letters?

In SMILES, which symbol denotes a single bond?

Which database focuses on material chemistry and inorganic compounds?

What is the primary use of SMILES strings?

Which notation indicates ring closure in SMILES?

Name a major free database for chemical structures and properties.

Which descriptor is commonly used to encode 3D conformations?

What is the role of fingerprints in chemiinformatics?

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