>1f13B (B:) observed residues (from ATOM records)
tafggrravppnnsnaaeddlptvelqgvvplqeflnvtsvhlfkerwdtnkvdhhtdky
ennklivrrgqsfyvqidfsrpydprrdlfrveyvigrypqenkgtyipvpivselqsgk
wgakivmredrsvrlsiqsspkcivgkfrmyvavwtpygvlrtsrnpetdtyilfnpwce
ddavyldnekereeyvlndigvifygevndiktrswsygqfedgildtclyvmdraqmdl
sgrgnpikvsrvgsamvnakddegvlvgswdniyaygvppsawtgsvdilleyrssenpv
rygqcwvfagvfntflrclgiparivtnyfsahdndanlqmdifleedgnvnskltkdsv
wnyhcwneawmtrpdlpvgfggwqavdstpqensdgmyrcgpasvqaikhghvcfqfdap
fvfaevnsdliyitakkdgthvvenvdathigklivtkqiggdgmmditdtykfqegqee
erlaletalmygakkplntegvmksrsnvdmdfevenavlgkdfklsitfrnnshnryti
taylsanitfytgvpkaefkketfdvtleplsfkkeavliqageymgqlleqaslhffvt
arinetrdvlakqkstvltipeiiikvrgtqvvgsdmtvtveftnplketlrnvwvhldg
pgvtrpmkkmfreirpnstvqweevcrpwvsghrkliasmssdslrhvygeldvqiqrr