SPX (SYG1/Pho81/XPR1) domain-containing protein. Identical to Uncharacterized membrane protein At1g63010 [Arabidopsis Thaliana] (GB:Q2V4F9;GB:Q94C80;GB:Q9CAP0;GB:Q9LQ03); similar to SPX (SYG1/Pho81/XPR1) domain-containing protein [Arabidopsis thaliana] (TAIR:AT4G11810.1); similar to SPX (SYG1/Pho81/XPR1) domain-containing protein [Arabidopsis thaliana] (TAIR:AT4G22990.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24466.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN63492.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO63654.1); contains InterPro domain SPX, N-terminal (InterPro:IPR004331); contains