SIP2;1 (SMALL AND BASIC INTRINSIC PROTEIN 2); transporter. Identical to Probable aquaporin SIP2-1 (SIP2-1) [Arabidopsis Thaliana] (GB:Q9M1K3); similar to SIP1,2 (SMALL AND BASIC INTRINSIC PROTEIN1B) [Arabidopsis thaliana] (TAIR:AT5G18290.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO18284.1); contains InterPro domain Major intrinsic protein; (InterPro:IPR000425)