>3sk3B (B:) observed residues (from ATOM records)
ssklvlvlncgssslkfaiidavngdeylsglaecfhlpearikwkmdgskqeaalgaga
ahsealnfivntilaqkpelsaqltaighrivhggekytssvvidesviqgikdsasfap
lhnpahligiaealksfpqlkdknvavfdtafhqtmpeesylyalpyslykehgvrryga
hgtshfyvtqeaakmlnkpveelniitchlgnggsvsairngkcvdtsmgltpleglvmg
trsgdidpaiifhlhdtlgmsvdlgltevtsdcryvednyatkedakramdvychrlaky
igsytalmdgrldavvftggigenaamvrelslgklgvlgfevdhernlaarfgksgfin
kegtrpavviptneelviaqdasrlta