ANXA9 and pemphigus: Probing of keratinocyte λgt11 cDNA library with the PV IgG eluted from a 75 kD band that stained epidermis in a pemphigus-like cell-surface pattern and caused acantholysis in keratinocyte monolayers revealed a novel type of AChRs, termed pemphaxin (a.k.a. annexin 9) [69].