>6f9qB (B:) observed residues (from ATOM records)
kkklegkvaivtggasgigeatarlfvkygaravviadiqselgrsvaesigkercsfvq
cdvadeeqvksmiewtattyggldvmfsnagvlnsaaqtvkdldlplfdkvmrvntrgaa
vcvkqaarkmvelgrggsiicnagssavrgahgvtdyvmskhaviglvrsasmqlgahsi
rvnsvspmavatpltrnqgistpddvqkflmpfislkgvpptaeqvaeaaaflgsdeaaf
vtghdlpvdggvlcmpf