>1v5bF (F:) observed residues (from ATOM records)
mkmklavlpgdgigpevmdaairvlktvldndgheavfenaliggaaideagtplpeetl
dicrrsdaillgavggpkwdhnpaslrpekgllglrkemglfanlrpvkayatllnaspl
krervenvdlvivreltgglyfgrpserrgpgenevvdtlaytreeieriiekafqlaqi
rrkklasvdkanvlessrmwreiaeetakkypdvelshmlvdstamqlianpgqfdvivt
enmfgdilsdlasvitgslgmlpsaslrsdrfgmyepvhgsapdiagqgkanplgtvlsa
almlrysfglekeaaaiekavddvlqdgyctgdlqvangkvvstieltdrlieklnn