Biomolecules and Enzymes

Carnitine is biosynthesized from the amino acids lysine and methionine. It transports fatty acids from cytosol to mitochondria.

Tryptophan is a precursor of the neurotransmitter serotonin.

Idiotope can be the actual antigen-binding site or some may comprise variable region sequences outside of the antigen-binding site on the antibody itself

α1 rests upon a unit of the non-MHC molecule β2 macroglobulin, which is encoded on human chromosome 15.

In this type of mutation, there is replacement of one amino acid by another aminoacid.

Amino acids are obtained by the break down of proteins.

The basic unit of protein is amino acids.

This option is correct because BLOSUM is a substitution matrix in which scores for each position are derived from observations of the frequencies of substitutions.

This option is correct because COG  is a protein family database based on phylogenetic classification.

UniProt is a comprehensive, high-quality and freely accessible database of protein sequence and functional information, many entries being derived from genome sequencing projects.

The Protein Data Bank (PDB) is a crystallographic database for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids.

PROSITE is a protein database. It consists of entries describing the protein families, domains and functional sites as well as amino acid patterns and profiles in them.

The Structural Classification of Proteins (SCOP) database is a largely manual classification of protein structural domains based on similarities of their structures and amino acid sequences. A motivation for this classification is to determine the evolutionary relationship between proteins.

The Biological Macromolecule Crystallization Database (BMCD) contains molecule, crystal and crystallization data for macromolecules for which diffraction quality crystals have been obtained. These include proteins and nucleic acids, various complexes, and viruses.

InterPro is a database of protein families, domains and functional sites in which identifiable features found in known proteins can be applied to new protein sequences in order to functionally characterise them.