>3sxrB (B:) SEQRES residues ghmelkreeitllkelgsgqfgvvklgkwkgqydvavkmikegsmsedeffqeaqtmmkl shpklvkfygvcskeypiyivteyisngcllnylrshgkglepsqllemcydvcegmafl eshqfihrdlaarnclvdrdlcvkvsdfgmtryvlddqyvssvgtkfpvkwsapevfhyf kyssksdvwafgilmwevfslgkmpydlytnsevvlkvsqghrlyrphlasdtiyqimys cwhelpekrptfqqllssieplrekdkh