>4c2bD (D:) observed residues (from ATOM records)
picevskvashlevncdkrrltalppdlpkdttilhlsenllytfslatlmpytrltqln
ldrceltklqvdgtlpvlgtldlshnqlqslpllgqtlpaltvldvsfnrltslplgalr
glgelqelylkgnelktlppglltptpkleklslannrltelpagllnglenldtlllqe
nslytipkgffgshllpfaflhgnpwlcnceilyfrrwlqdnaenvyvwkqvvdvkavts
nvasvqcdnkfpvykypgkgcp