>4c2bB (B:) observed residues (from ATOM records)
picevskvashlevncdkrrltalppdlpkdttilhlsenllytfslatlmpytrltqln
ldrceltklqvdgtlpvlgtldlshnqlqslpllgqtlpaltvldvsfnrltslplgalr
glgelqelylkgnelktlppglltptpkleklslannrltelpagllnglenldtlllqe
nslytipkgffgshllpfaflhgnpwlcnceilyfrrwlqdnaenvyvwkqvvdvkavts
nvasvqcdnsdkfpvykypgkgcp