title: Post-translational modifications: a challenge for proteomics and bioinformatics.
authors.forename: Ron D
authors.initials: RD
authors.lastname: Appel
authors.forename: Amos
authors.initials: A
authors.lastname: Bairoch
mesh_terms: D019295:Computational Biology; D016208:Databases, Factual / Q000592:standards*; D020407:Internet; D011499:Protein Processing, Post-Translational; D040901:Proteomics