Imports code.google.com/p/biogo/bio code.google.com/p/biogo/exp/alphabet code.google.com/p/biogo/exp/seq code.google.com/p/biogo/exp/seq/protein code.google.com/p/biogo/exp/seq/sequtils code.google.com/p/biogo/feat code.google.com/p/biogo/util Standard library imports fmt