ATBOR4/BOR4; anion exchanger. Identical to Boron transporter-like protein 2 [Arabidopsis Thaliana] (GB:Q9XI23); similar to anion exchanger [Arabidopsis thaliana] (TAIR:AT4G32510.1); similar to BOR5, anion exchanger [Arabidopsis thaliana] (TAIR:AT1G74810.1); similar to anion exchange protein family [Arabidopsis thaliana] (TAIR:AT5G25430.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO44180.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO65611.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO46031.1); contains InterPro domain Bicarbonate transporter, eukaryotic; (InterPro:IPR003020); contains InterPro