{HEAD ~ Enzyme crystals} that are crosslinked may be {TAIL ~ microcrystals} having a cross section of 10 1 mm or less 
{ HEAD ~ Enzyme crystals } that are crosslinked may be { TAIL ~ microcrystals } having a cross section of 10 1 mm or less
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH