>2bszB (B:) observed residues (from ATOM records)
fdldaylarigytgprnasldtlkalhfahpqaipfenidpflgrpvrldlaalqdkivl
ggrggycfehnllfmhalkalgfevgglaarvlwgqsedaitarshmllrveldgrtyia
dvgfggltltaplllepgreqktphepfriveaddhfrlqaaiggdwrslyrfdlqpqye
vdysvtnyflstsptshflssviaaraapdrryalrgnrlsihhteqteiataadladtl
qgllgiiipdrtafeakvretkiv