PTMTypes                PTMTypes Returns a list of strings that
                        represents the PTM types to be used in
                        search_iptmnet function
Role                    Role Returns a list of strings that represent
                        the role to be used in search_iptmnet function
TermType                TermTypes Returns a list of strings that
                        represent the term types to be used in
                        search_iptmnet function.
get_api_version         Get the version of iPTMnet API being used.
get_host_url            Get the url of iPTMnet API server.
get_info                Get information.
get_ppi_for_proteoforms
                        Get Protein-Protein interactions along with
                        corresponding proteoforms.
get_proteoforms         Get proteoforms
get_ptm_dependent_ppi   Get Post translational modification(PTM)
                        dependent Protein-Protein interactions.
get_ptm_enzymes_from_file
                        Get PTM Enzymes using a file
get_ptm_enzymes_from_list
                        Get PTM Enzymes from list
get_ptm_ppi_from_file   Get post translational modification (PTM)
                        depentdent protein-protein interaction for
                        kinases from file
get_ptm_ppi_from_list   Get post translational modification (PTM)
                        depentdent protein-protein interaction for the
                        given list of kinases.
get_substrates          Get substrates.
get_variants            Get variants.
search_iptmnet          Search iPTMNet
set_api_version         Set the version of the API to use.
set_host_url            Set the url of iPTMnet API server.
