>4i52F (F:) observed residues (from ATOM records)
dwhiakhyddilyykaggiakivinrphkrnafrpqtvfelydafcnarednrigvvllt
gagphsdgkyafcsggdqsvrgeggyiddqgtprlnvldlqrlirsmpkvvialvagyai
ggghvlhlvcdltiaadnaifgqtgpkvgsfdggfgssylarivgqkkareiwylcrqys
aqeaermgmvntvvpvdrleeegiqwakeilsksplairclkaafnadcdgqaglqelag
natllyymteegsegkqaflekrppdfsqypwlp