>1ex4B (B:) SEQRES residues gsgqvdsspgiwqldcthlegkvilvavhvasgyieaevipaetgqetayfllklagrwp vktihtdngsnftgatvraacdwagikqedgipynpqsqgvvesmnkelkkiigqvrdqa ehlktavqmavfihnkkrkggiggysagerivdiiatdiqtkelqkqitkiqnfrvyyrd srnslwkgpakllwkgegavviqdnsdikvvprrkakiirdygkqmagddsvasrqded