PDB DATABASE

What is the primary purpose of the Protein Data Bank (PDB)?

• To store DNA sequences

• To archive protein structures

• To publish scientific articles

• To store chemical reactions

Which of the following types of biomolecules can be found in the PDB database?

• Proteins only

• Nucleic acids only

• Proteins, nucleic acids, and complex assemblies

• Lipids only

What is the standard file format used by the PDB to store structural data?

• FASTA

• XML

• .txt

• .pdb

Which method is most commonly used to determine the 3D structures found in the PDB?

• X-ray crystallography

• PCR

• ELISA

• Western blotting

What does each entry in the PDB database typically include?

• Only the protein name

• Only the DNA sequence

• Atomic coordinates, experimental data, and metadata

• Gene expression data

What organization originally established the PDB in 1971?

• NIH

• RCSB

• Brookhaven National Laboratory

• EMBL-EBI

Which of the following is NOT a structure determination technique used for PDB entries?

• Cryo-electron microscopy (Cryo-EM)

• Nuclear Magnetic Resonance (NMR) spectroscopy

• X-ray crystallography

• Northern blotting

What tool or website can you use to search and download structures from the PDB?

• BLAST

• RCSB PDB

• PubMed

• GenBank

What type of information can be obtained from a .pdb file?

• Atomic positions

• Protein sequence

• Secondary structure

• All of the above