Antonyms are words that have opposite meanings or functions to a given term. Therefore, finding antonyms for the term "Ribosomal Protein S Kinase" may seem tricky since it's a specific scientific term. However, it can be broken down into smaller components. Ribosomal means related to ribosomes, S is a type of ribosomal protein, and kinase is an enzyme. So, antonyms could be non-ribosomal, non-protein, or non-kinase-related terms. Some examples could be non-enzymatic, non-phosphorylating, non-catalytic, non-proteinaceous, or non-ribonucleic acid. Ultimately, finding antonyms for a specific term depends on the context and how it's used in a particular field.