2.3.3.8 a peptide factor stabilizes 488201 2.3.3.8 activity is stabilized by acetylation 756333 2.3.3.8 ATP and citrate stabilize 488187, 488213 2.3.3.8 chymotrypsin and pronase treatment inactivates, trypsin does not affect the enzyme 488200 2.3.3.8 citrate and glycerol stabilize 488198