10 20 30 40 50
---------+---------+---------+---------+---------+---
UniProt: ETSYTLNEVVPLKEFVPEWVRIGFSATTGAEFAAHEVLSWFFHSELAGTSSSN
........................................X............
PDB seq: ETSYTLNEVVPLKEFVPEWVRIGFSATTGAEFAAHEVLSWYFHSELA------
---------+---------+---------+---------+-------
10 20 30 40