>3bkkA (A:) observed residues (from ATOM records)
vtdeaeaskfveeydrtsqvvwneyaganwnyntnittetskillqknmqiaqhtlkygt
qarkfdvnqlqnttikriikkvqdleraalpaqeleeynkilldmettysvatvchpqgs
clqlepdltnvmatsrkyedllwawegwrdkagrailqfypkyvelinqaarlngyvdag
dswrsmyetpsleqdlerlfqelqplylnlhayvrralhrhygaqhinlegpipahllgn
mwaqtwsniydlvvpfpsapsmdtteamlkqgwtprrmfkeaddfftslgllpvppefwq
ksmlekptdgrevvchasawdfyngkdfrikqcttvnledlvvahhemghiqyfmqykdl
pvalreganpgfheaigdvlalsvstpkhlhslnllsseggsdehdinflmkmaldkiaf
ipfsylvdqwrwrvfdgsitkenynqewwslrlkyqglcppvprtqgdfdpgakfhipss
vpyiryfvsfiiqfqfhealcqaaghtgplhkcdiyqskeagqrlatamklgfsrpwpea
mqlitgqpqmsasamlsyfkplldwlrtenelhgeklgwpqynwtp