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About Protein
Protein is necessary as part of a balanced diet to stay healthy. It is found in milk, meat, cheese, eggs, fish, nuts, seeds, tofu and other foods like peanut butter and yogurt. Eating enough protein from a variety of foods including protein from... More »


A representation of the 3D structure of the protein myoglobin showing turquoise alpha helices. This protein was the first to have its structure solved by X-ray ...

Protein Powders, Shakes, Drinks, & Supplements at Bodybuilding ...

Huge Selection Of Protein Powders & Protein Shakes! We have Protein Powders from the Top Manufacturers At The Best Prices! -

Protein in diet: MedlinePlus Medical Encyclopedia

You need protein in your diet to help your body repair cells and make new ones. Protein is also important for growth and development in children, teens, and ...
The variable group in alanine is CH Proteins are very important molecules in cells . While proteins have many diverse functions, all are typically constructed from one set of 20 amino acids. Most amino acids have the following structural properties: A carbon (the alph... More »
By Regina Bailey, Guide

Top 10 Foods Highest in Protein You Can't Miss

Protein is a macro nutrient necessary for the proper growth and function of the human body. There is considerable debate over the amount of protein a person ...

High-Protein Snacks You Can Eat On the Go -,,20855303,00.html

Protein is the key to a satisfying snack. With these portable, protein-packed snacks, you'll never have an excuse to head out with a candy bar or bag of chips  ...

Protein - Harvard School of Public Health

Protein is found throughout the body—in muscle, bone, skin, hair, and virtually every other body part or tissue. It makes up the enzymes that power many ...

protein - The World's Healthiest Foods

"Protein quality" is a common way of referring to the building blocks that are used to construct a protein. These building blocks are called amino acids. Amino ...

RCSB Protein Data Bank - RCSB PDB

Three-dimensional structures of biological macromolecules. Also includes newsletters and a description of the Protein Data Bank file format.

Popular Q&A
Q: What are Proteins?
A: Proteins are organic compounds made up of different combinations of amino acids and joined by peptide bonds at a molecular level. The vast majority of the human... Read More »
Q: What Is Protein?
A: Protein, one of the main building blocks of the body, is made up of a chain of 22 amino acids. There are many types of protein, all of which perform various fun... Read More »
Q: What is a protein?
A: A protein is a 3D molecule that is made up from 21 organic chemicals called amino acids. These amino acids form a long chain secondary structure called a peptid... Read More »
Q: What are proteins?
A: Answer This is a big question. But simply proteins are an extremely important constituent of the human body. Every part of the body has protein components. Prot... Read More »
Q: Which of these is a protein?
A: table sugar. Read More »