>1kf9E (E:) observed residues (from ATOM records)
pkftkcrsperetfschwtlgpiqlfytrrntqewtqewkecpdyvsagenscyfnssft
siwipycikltsnggtvdekcfsvdeivqpdppialnwtllnvsltgihadiqvrweapr
nadiqkgwmvleyelqykevnetkwkmmdpilttsvpvyslkvdkeyevrvrskqrnsgn
ygefsevlyvtlp