{HEAD ~ Consequently comparison} of {TAIL ~ e.g. cellulase sequences} including CBD or signal sequences with sequences lacking those elements are excluded as not being meaningful 
of
{ HEAD ~ Consequently comparison } of { TAIL ~ e.g. cellulase sequences } including CBD or signal sequences with sequences lacking those elements are excluded as not being meaningful
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH