None
SWISS::OSs
SWISS::OSs represents the \s-1OS\s0 lines within an SWISS-PROT + TrEMBL entry as specified in the user manual http://www.expasy.org/sprot/userman.html . The OSs object is a container object which holds a list of \s-1SWISS::OS\s0 objects.
SWISS::ListBase.pm
Each list element is a SWISS::OS object.