entryId: ID for entry e.g. 'P63166' or 'SUMO1_MOUSE'
entryId: ID for entry e.g. 'P63166' or 'SUMO1_MOUSE'
dbName: name of db e.g. 'uniprotkb', 'pdb' or 'refseqn'.
dbName: name of database e.g. 'uniprotkb' or 'pdb' or 'refseqn'; see http://www.ebi.ac.uk/Tools/dbfetch/dbfetch/dbfetch.databases for available databases
See: http://www.uniprot.org/faq/28. """
format: file format specific to database e.g. 'fasta' or 'uniprot' for uniprotkb (see http://www.ebi.ac.uk/Tools/dbfetch/dbfetch/dbfetch.databases)
See http://www.ebi.ac.uk/Tools/dbfetch/syntax.jsp for more info re URL syntax