Tedsandbox

I think a line at the top looks nice

---

Here is the protein I have been looking at.

spinqualitylabelsall models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D

Which protein is this?

	hemoglobin.
	EGFR.
	Insulin.
	K+ channel.

Need more help? Click here to see backbone model with disulfide bonds in red

Need more help? Here is a view with the hydrophobic core highlighted

Perhaps it was confusing because you are not used to seeing this protein as a dimer. Here is the protein with the chains highlighted to demonstrate that it is a dimer.

Last look. this time as a monomer

---

Click on the disulfide bonds or the white alpha helix for more information.

insulin model

Click on the amino acids for more information.

amino acids

1 What amino acid is this?

	cystine
	glutamic acid
	glycine
	valine

2 Complete the text from the Wikipedia articles.

Cystine can form bonds. is the smallest amino acid.

3 Type in your answer

How many amino acids are there in the image?

Proteopedia Page Contributors and Editors (what is this?)

Ted Scovell