>4iw3K (K:) observed residues (from ATOM records)
lphvnvgtighvdhgkttltaaltrvcsevfgkidsapeekagitintahveynstirhy
ahvdcpghadyvknmitgaaqmdgailvcsaadgpmpqtrehillsrqvgvpyivvflnk
adlvaellelvemevrdllstydfpgddtpiiigsarmalegkddnemgttavkklvetl
dsyipepvraidqpflmpiedvfsisgrgtvvtgriergivrvqdpleivglrdtttttc
tgvemfrklldegragencgvllrgtkrddvergqvlvkpgsvkphtkftaevyvlskee
ggrhtpffkgyrpqfyfrttdvtgncelpegvemvmpgdniqmtvtliktiamedglrfa
ireggrtvgagvvakiie