gammaH2Ax for my own sake memory!

PTM for Histone;
1. acetylation (Lys)
2. ubiquitination (Lys)
3. phosphorylation (Ser)

H2Ax when phosphorylate --> gammaH2Ax!

nucleosome = histone (H2A,H2B,H3,H4) + 147 bp DNA wrapping around 8 octa-histone and being locked with H1 (shown in my drawing)

For H2A subdivided to 3;
H2A1-H2A2 (balance from the other two)
H2Ax (2-25%)
H2Az (10%)



Ref; DNA double-stranded breaks induce histone H2AX phosphorylation on serine 139 (J Biol Chem. 1998 Mar 6;273(10):5858-68.)

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