M2-PK: Differentiation between lung M2-PK and tumor M2-PK

M2-PK:

Differentiation between lung M2-PK and tumor M2-PK

The M2-PK isoenzyme found in lung tissues is always tetrameric.
The M2-PK isoenzyme found in tumor cells is mainly dimeric.

Therefore, the dimeric form of M2-PK has been termed tumor M2-PK.