hormones...

[sweetpea2]

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Can someone explain/give example of post transcription changing with pre and post hormones. Thanks

 

[seraph524]

??? Are you asking about hormones affecting post-transcriptional modifications? Hrm...I really can't think of an example!

 

[Kaustikos]

Can someone explain/give example of post transcription changing with pre and post hormones. Thanks

You mean post-transcriptional modification of hormones? The only example I can think of at the top of my head is Insulin. But I'm also thinking of post-translational modification. There are so many post-transcriptional/translational modifications that occur, though, that's specific to proteins, though.

http://en.wikipedia.org/wiki/Insulin

Click and let me know what you mean exactly from the explanation given.

Also, did you mean that or how hormones regulate the production of products post-transcriptionally?

 

[sweetpea2]

Yea i think insulin and pre insulin is an example. Thanks for the help!

 

[seraph524]

Remember that pre-insulin -> insulin is post-translational modification, not post-transcriptional.

 

[Kaustikos]

Remember that pre-insulin -> insulin is post-translational modification, not post-transcriptional.

Yeah, that's what I remembered. Or that's the "main" insulin modification every text book talks about.

 

[minhaj]

would the changing of the digestive enzymes from zymogens to active proteins be considered as post-translational modification?

 

[seraph524]

would the changing of the digestive enzymes from zymogens to active proteins be considered as post-translational modification?

Strictly speaking, thats defined as protein processing. Post-translational modification typically refers to modification of a peptide chain within the ER/golgi.