@property<EOL><INDENT>def cdslen(self):<DEDENT>
if self.type != '<STR_LIT>':<EOL><INDENT>return None<EOL><DEDENT>return sum([len(c) for c in self.children if c.type == '<STR_LIT>'])<EOL>
Translated length of this feature.

Undefined for non-mRNA features.