>2w9sB (B:) observed residues (from ATOM records)
tlsiivahdkqrvigyqnqlpwhlpndlkhikqlttgntlvmarktfesigkplpnrrnv
vltnqasfhhegvdvinsldeikelsghvfifggqtlyeamidqvddmyitvidgkfqgd
tffppytfedwevessvegqldekntiphtflhlvrr