Amino-acids are organic acids with an amino group in the alpha position (alpha-acids). They are the structural units of proteins and involved in many biochemical pathways.

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Is there a cellular mechanism that detects Ribosomal damage?

What kinds of options, if any, do cells (Eukary and Prokary) have for detecting, and repairing damage in Ribosomes (of all types)? I am curious as to what happens when a cell sustains damage of some ...
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Protein Design - Target Structure Specification

I'm curious about how protein structures are defined in general, but in particular, I'm wondering how a target structure can be specified without knowing the amino acid sequence. For example, in ...
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Are there examples of PTMs that add different chemical groups (and mass) to different amino acids?

I'm talking about this type of post-translational modifications. What I'm interested in is not whether some modifications can only occur on specific amino acids (that's clear), but if the nomenclature ...
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Question about DNP derivatives of amino acids (specifically epsilon-DNP-lysine)

I have a pretty basic biochemistry question but am having trouble finding the answer to it: Normally, 1-Fluoro-2,4-dinitrobenzene (DNFB) reacts with just the amino terminus of amino acids. However, ...
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Hormones and body mass

I was wondering how some animals (bulls, elephants etc.) become so large by only eating grass or plant based material and why some humans can build large amounts of muscle and mass without a proper ...
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Effects of Acids and Bases on protozoa

Why is it that when you pour acid (HCl) on a culture of Euglena gracilis in an aqueous environment the protozoa begins to swell and when you pour a base (NaOH), it maintains its shape? I feel like ...