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  2. Protein - Wikipedia

    en.wikipedia.org/wiki/Protein

    A more complex computational problem is the prediction of intermolecular interactions, such as in molecular docking, [95] protein folding, proteinprotein interaction and chemical reactivity. Mathematical models to simulate these dynamical processes involve molecular mechanics , in particular, molecular dynamics .

  3. Protein structure - Wikipedia

    en.wikipedia.org/wiki/Protein_structure

    Protein structure is the three-dimensional arrangement of atoms in an amino acid-chain molecule. Proteins are polymers – specifically polypeptides – formed from ...

  4. Titin - Wikipedia

    en.wikipedia.org/wiki/Titin

    The protein's empirical chemical formula is C 169,719 H 270,466 N 45,688 O 52,238 S 911. [22] It has a theoretical instability index (II) of 42.38, classifying the protein as unstable. [ 22 ] The protein's in vivo half-life , the time it takes for half of the amount of protein in a cell to break down after its synthesis in the cell, is ...

  5. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    Body composition may be analyzed in various ways. This can be done in terms of the chemical elements present, or by molecular structure e.g., water, protein, fats (or lipids), hydroxyapatite (in bones), carbohydrates (such as glycogen and glucose) and DNA.

  6. Peptide - Wikipedia

    en.wikipedia.org/wiki/Peptide

    Peptides fall under the broad chemical classes of biological polymers and oligomers, alongside nucleic acids, oligosaccharides, polysaccharides, and others. Proteins consist of one or more polypeptides arranged in a biologically functional way, often bound to ligands such as coenzymes and cofactors , to another protein or other macromolecule ...

  7. Hemoglobin - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin

    Hemoglobin consists of protein subunits (globin molecules), which are polypeptides, long folded chains of specific amino acids which determine the protein's chemical properties and function. The amino acid sequence of any polypeptide is translated from a segment of DNA, the corresponding gene .

  8. Chemical formula - Wikipedia

    en.wikipedia.org/wiki/Chemical_formula

    A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.

  9. Albumin - Wikipedia

    en.wikipedia.org/wiki/Albumin

    Albumin comprises three homologous domains that assemble to form a heart-shaped protein. [2] Each domain is a product of two subdomains that possess common structural motifs. [ 2 ] The principal regions of ligand binding to human serum albumin are located in hydrophobic cavities in subdomains IIA and IIIA, which exhibit similar chemistry.