>tr|A0A6P5PIX2|A0A6P5PIX2_MUSCR V-type proton ATPase 21 kDa proteolipid subunit OS=Mus caroli GN=Atp6v0b MTGLELLYLGIFVAFWACMVVVGICYTIFDLGFRFDVAWFLTETSPFMWSNLGIGLAISL SVVGAAWGIYITGSSIIGGGVKAPRIKTKNLVSIIFCEAVAIYGIIMAIVISNMAEPFSA TEPKAIGHRNYHAGYSMFGAGLTVGLSNLFCGVCVGIVGSGAALADAQNPSLFVKILIVE IFGSAIGLFGVIVAILQTSRVKMGD