Roller: helically twisted, animals roll when moving protein 8, isoform a [Caenorhabditis elegans] ref|NP_495582.1| ROLler: helically twisted, animals roll when moving family member (rol-8) [Caenorhabditis elegans] sp|P18831|COL6_CAEEL Roller protein 8 (Cuticle collagen 6)