MECP2:
This is the shorthand for methyl-CpG-binding protein 2, one of a family of methyl-binding proteins that are principally located in the nucleus of the cells
and regulate the activity of other genes.
MeCP2:
This is the shorthand for the protein derived from the MECP2 gene.
Mutation:
This is a change in the genetic code for a specific gene that alters the composition of the specific protein and is responsible for alteration in function
of that protein.