|Product Code||Storage Temperature||Product Size||Concentration|
|R0657S||-20°C||200 units||5,000 units/ml|
|R0657L||-20°C||1,000 units||5,000 units/ml|
New England Biolabs
PsiI has been discontinued and replaced with PsiI-V2.
Having supplied restriction enzymes to the research community for over 40 years, NEB has earned the reputation of being the leader in enzyme technologies. Working continuously to be worth of that distinction, NEB strives to develop enzyme of the highest purity and unparalleled quality.