>4lygB (B:) observed residues (from ATOM records)
nikifsgsshqdlsqkiadrlglelgkvvtkkfsnqetcvtigesvrgedvyivqsgcge
indnlmelliminackiasasrvtavipcfpyarqdkkdksrapisaklvanmlsvagad
hiitmdlhasqiqgffdipvdnlyaepavlkwirenisewrnctivspdaggakrvtsia
drlnvdfalihkerkdrmvlvgdvkdrvailvddmadtcgtichaadkllsagatrvyai
lthgifsgpaisrinnacfeavvvtntipqedkmkhcskiqvidismilaeairrthnge
svsylfshvp