>3nsrB (B:) SEQRES residues msksdvfhlgltkndlqgaqlaivpgdpervekiaalmdkpvklashreftswraeldgk avivcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgas lhfapmefpavadfacttalveaaksigatthvgvtassdtfypgqerydtysgrvvrrf kgsmeewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqtesh avkivveaarrll