endoplasmic reticulum auxin binding protein 1;(source:Araport11)
TAIR Curator Summary:
Auxin binding protein involved in cell elongation and cell division. ABP1 is ubiquitinated in vitro and in planta by AtRma2. ABP1 was thought to be embryo lethal but further experimentation has demonstrated that lethality is due to a linked mutation in another gene.