>1flkB (B:) observed residues (from ATOM records)
lesvdksagqvarntgllesqlsrhdqmlsvhdirladmdlrfqvletasyngvliwkir
dykrrkqeavmgktlslysqpfytgyfgykmcarvylngdgmgkgthlslffvimrgeyd
allpwpfkqkvtlmlmdqgssrrhlgdafkpdpnsssfkkptgemniasgcpvfvaqtvl
engtyikddtifikvivdtsdlpdp