>1y1sB (B:) SEQRES residues
msksdvfhlgltkndlqgaqlaivpgdpervekiaalmdkpvklashreftswraeldgk
avivcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgas
lhfapmefpavadfacttalveaaksigatthvgvtassdtfypgqerydtysgrvvrrf
kgsmeewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqtesh
avkivveaarrll