>4kfgB (B:) observed residues (from ATOM records)
gldavrkrpgmyigdtddgtglhhmvfevvdnaidealaghckeiivtihadnsvsvqdd
grgiptgvsaaevimtvldnsykvsgglhgvgvsvvnalsqklelviqregkihrqiyeh
gvpqaplavtgetektgtmvrfwpsletftnvtefeyeilakrlrelsflnsgvsirlrd
krdgkedhfhy