Protein Modeling C

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Protein Modeling C

Postby freed2003 » September 9th, 2018, 11:18 am

A description of a protein mentions its amino acids, what level is it most likely talking about?
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Re: Protein Modeling C

Postby Nano1llus10n » September 9th, 2018, 1:00 pm

freed2003 wrote:A description of a protein mentions its amino acids, what level is it most likely talking about?


Answer
The primary structure
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Re: Protein Modeling C

Postby luanne » September 14th, 2018, 9:37 pm

this like died so i guess i'll pick it up:
what are the four types of protein structure?
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Re: Protein Modeling C

Postby freed2003 » September 15th, 2018, 12:39 pm

luanne wrote:this like died so i guess i'll pick it up:
what are the four types of protein structure?

answer
Primary secondary tertiary and quaternary(sidechains)

What are three forces that drive protein folding?
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Re: Protein Modeling C

Postby luanne » September 17th, 2018, 6:43 pm

im guessing but:
hydrophobic forces, formation of hydrogen bonds and formation of van der waals forces?
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Re: Protein Modeling C

Postby freed2003 » September 18th, 2018, 9:39 pm

luanne wrote:im guessing but:
hydrophobic forces, formation of hydrogen bonds and formation of van der waals forces?

I was thinking of disulfide bonds or maybe like enthalpy and entropy but that works too
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Re: Protein Modeling C

Postby Creationist127 » September 21st, 2018, 6:15 am

No more questions? Here's one:
What sidechains contain sulfur atoms?
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Re: Protein Modeling C

Postby Riptide » September 21st, 2018, 8:14 am

Creationist127 wrote:No more questions? Here's one:
What sidechains contain sulfur atoms?

Answer
Methionine and Cysteine
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Re: Protein Modeling C

Postby freed2003 » September 24th, 2018, 8:30 pm

If you're gonna answer please post a question
Where are charged amino acids usually found in a folded protein?
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Re: Protein Modeling C

Postby Nano1llus10n » October 5th, 2018, 8:47 pm

freed2003 wrote:If you're gonna answer please post a question
Where are charged amino acids usually found in a folded protein?


Answer
Charged amino acids are polar, thus hydrophilic and normally located on the outside surface of the protein.
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Re: Protein Modeling C

Postby platypusomelette » October 20th, 2018, 9:07 am

freed2003 wrote:
luanne wrote:im guessing but:
hydrophobic forces, formation of hydrogen bonds and formation of van der waals forces?

I was thinking of disulfide bonds or maybe like enthalpy and entropy but that works too


Wait can you clarify or explain that? Also since thread is dead I'm just gonna say Nano that's the correct answer
1. Give a definition of what CRISPR stands for and what it is
2. Describe the function of the cas 9 protein
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Re: Protein Modeling C

Postby JoeyC » October 23rd, 2018, 4:26 am

I FINALLY CAN ANWER THIS!!!!
CRISPR stands for clustered regularly inter spaced short palindromic repeats.In bacterial DNA, it was discovered that in one section there were a bunch of repeats of the same lines of DNA, with different spacers in between each repeat. This DNA is a copy of viral RNA, used by the CRISPR proteins to fight of invading viral DNA.
The Cas9 protein uses a tracer RNA and a CRISPR RNA to identify viral RNA and cut it with its nucleases, killing it. The Cas 9 protein is a helicase, unwinding the RNA, and the CRISPR RNA is a complimentary strand to a certain portion of the RNA, so the RNA will line up with it. TRACR RNA holds the CRISPR in place. Then the Cas9 cuts the viral RNA with its nucleases.

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Re: Protein Modeling C

Postby platypusomelette » October 23rd, 2018, 5:45 am

JoeyC wrote:I FINALLY CAN ANWER THIS!!!!
CRISPR stands for clustered regularly inter spaced short palindromic repeats.In bacterial DNA, it was discovered that in one section there were a bunch of repeats of the same lines of DNA, with different spacers in between each repeat. This DNA is a copy of viral RNA, used by the CRISPR proteins to fight of invading viral DNA.
The Cas9 protein uses a tracer RNA and a CRISPR RNA to identify viral RNA and cut it with its nucleases, killing it. The Cas 9 protein is a helicase, unwinding the RNA, and the CRISPR RNA is a complimentary strand to a certain portion of the RNA, so the RNA will line up with it. TRACR RNA holds the CRISPR in place. Then the Cas9 cuts the viral RNA with its nucleases.

when you forget how to use hidden box..


Pretty much correct - just remember that cas9 "breaks" viral DNA because bacterial proteins attempt to repair double-stranded breaks, but usually end up placing mutations in the process. Your turn
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Re: Protein Modeling C

Postby JoeyC » October 23rd, 2018, 8:27 am

1.) What do scientists use the Cas9 for?
2.) What have viruses created in response?
3.) What does the answer to the previous question do against the CRISPR system?
Pretty basic questions.
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Re: Protein Modeling C

Postby platypusomelette » October 26th, 2018, 10:09 am

JoeyC wrote:1.) What do scientists use the Cas9 for?
2.) What have viruses created in response?
3.) What does the answer to the previous question do against the CRISPR system?
Pretty basic questions.


1. Scientists can use it to disable certain genes to see what side effects would happen, or they could remove the cutting domains and modify the gRNA to recognize whatever sequences they want. Proteins like deaminases or fluorescent proteins can be attached to the cas9 to perform other functions.
2. anti-crispr
3. Occupies cas9's PAM binding site, which makes it unable to track down what sequence it is supposed to find.
2019 events
anatomy
herp
genes
protein
disease
sounds

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2016: a&p 1st, fossils 3rd
2017: a&p 3rd, herp 14th
2018: a&p 1st, microbe 8th, herp 13th :/
dear sweet jesus almighty i hope i see states one day


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