Lpp1 loop-tail http://identifiers.org/mgd/MGI:2135272 Lootl ska<m17Jus> protein coding gene ska17 Lpp1|ska<m17Jus>|strabismus|Ltap|ska17|Lootl|C530001F03Rik|loop-tail Vangl2 Gene Ltap genetic mapping C530001F03Rik - MGI:2135272 O strabismus vang-like 2 (van gogh, Drosophila)