{TAIL ~ The resulting crystals} were crosslinked with {HEAD ~ glutaraldehyde} at a concentration of 12.5% to form a thermolysin CLEC 
{ TAIL ~ The resulting crystals } were crosslinked with { HEAD ~ glutaraldehyde } at a concentration of 12.5 % to form a thermolysin CLEC
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH