>4i3xH (H:) observed residues (from ATOM records)
vrhepmriagrlvdtddrvevrypwndtvvgtvpagraehareafaiaaayqpkltryer
qkillataealaarkeeisdvitlelgiskadslyevgrafdvftlagqmcirddgeifs
cdltphgkarkiftmrepltaisaitpfnhplnmvahkvapaiatnncvvvkpteltpmt
allladilyeaglppemlsvvtgwpadigmemitnphvdlvtftgsvpvgkliaanahyk
rqvlelggndpliilndlsdddlaraadlavagatknsgqrctavkrilcqesvadrfvp
lvlerakrlrfgdpmdrstdlgtvihekaaalfeervmraaeegadilyhpgrsgallpp
ivvdrvphqsdlvleetfgpiipivrvpddddatitlsnstafglssgvctndyrrmqky
iaglkvgtvniwevpgyriemspfggikdsgngykegvieamksftnvktfslpwp