The Protein Data Bank (PDB)is a Database Provides Structural Information

question 17

Multiple Choice

The Protein Data Bank (PDB) is a database provides structural information about proteins that may be useful for which of the following?
(I) A researcher studying the changes in protein fold associated with prions.
(II) A researcher classifying structural elements by function.
(III) A researcher designing a compound to bind tightly to a particular region in the protein.

• A)I only
• B)II only
• C)III only
• D)I,II
• E)I,II,II

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Definitions:

Ecdysozoa Clade

A group of protostome animals known for undergoing ecdysis, the shedding of the outer cuticle layer, including arthropods and nematodes.

Cuticle

(1) A noncellular covering over the epidermis of the aerial parts of plants that reduces water loss; composed mainly of cutin, a waxy substance. (2) The outer covering of some animals, such as roundworms.

Phylum Arthropoda

The largest phylum in the animal kingdom, including insects, arachnids, myriapods, and crustaceans, characterized by segmented bodies and jointed limbs.

Jointed Appendages

Characteristic features of arthropods, including insects and crustaceans, where limbs are jointed, allowing for movement.