>2c4pA (A:) observed residues (from ATOM records) rgsmalkriqkelsdlqrdppahcsagpvgddlfhwqatimgppdsayqggvffltvhfp tdypfkppkiafttkiyhpninsngsicldilrsqwspaltvskvllsicsllcdpnpdd plvpdiaqiyksdkekynrharewtqkyam