The SLAIN motif containing family is named after the presence of a SLAIN motif in SLAIN1 [1]. They are a family of microtubule plus-end tracking proteins [2].

1: Transcriptional profiling of mouse and human ES cells identifies SLAIN1, a novel stem cell gene. Hirst CE, Ng ES, Azzola L, Voss AK, Thomas T, Stanley EG, Elefanty AG; Dev Biol. 2006;293:90-103. PMID:16546155

2: SLAIN2 links microtubule plus end-tracking proteins and controls microtubule growth in interphase. van der Vaart B, Manatschal C, Grigoriev I, Olieric V, Gouveia SM, Bjelic S, Demmers J, Vorobjev I, Hoogenraad CC, Steinmetz MO, Akhmanova A; J Cell Biol. 2011;193:1083-1099. PMID:21646404