Answer to Question #195321 in Bioinformatics for Faye

Question

Here are two motifs. Which of the following matches them?

[QAPRG]-X-D-Q-X-{RT}-X-S

A. QQQQQQQS

B. PPDQDDDS

C. LLDQQLLS

D. QQDQQTQS

E. GGDQGGGS

G-[AWEE]-X- X-{EGR}-X-{WE}

A. GGEPRGP

B. GAAAAGG

C. GWEPAGG

D. GWEPAGP

E. GREETLP

Part B. PDB Files. 5 Marks

1. Go to the PDB home page,

http://www.rcsb.org/pdb/ . Retrieve the 3NSJ file. What is the

protein that is the subject of this file, and from what species?

2. Why do you think the authors wanted to determine the structure of this protein?

3. Describe some of the insights into the function of the protein the structure gave.

4. What experimental technique was used to collect the data? What is the resolution of the

derived structure (in angstroms)

5. Approximately how many alpha helices and beta sheets does the protein contain?

Answer 1

B. PPDQDDDS

D. GWEPAGP