PFN2 GI:4505751 profilin 2 isoform b 1 magwqsyvdn lmcdgccqea aivgycdaky vwaataggvf qsitpieidm 50 51 ivgkdregff tngltlgakk csvirdslyv dgdctmdirt ksqggeptyn 100 101 vavgragral vivmgkegvh ggtlnkkaye lalylrrsdv