>4iyjB (B:) observed residues (from ATOM records)
qkqdwgnlkryaeankelvrkgkqkdrvvfmgnsitegwvandaaffedngyvgrgiggq
tsshfllrfredviklapalvvinagtndiaenagayneeytfgnivsmvelarankikv
iltsvlpaaafgwnpsvkdapqkimqlnarirkyaqenkipyvdyysemvegdnkalnss
ytrdgvhptlegykvmealikkaidkvl