Why is there a second (non-specific?) band in my gamma-H2AX western?

I'm trying to measure DNA damage levels in human PBMCs using the Abcam anti gamma-H2AX phospho-serine 139 antibody (ab11174). All the images I've seen of gamma-H2AX westerns have a single band,...

13 February 2022 4,662 4 View