>3gk0B (B:) observed residues (from ATOM records)
fflttpaaidlgvnidhvatlrnargtaypdpvraalaaedagadaitlhlredrrhivd
advrtlrprvktrmnlecavtpemldiaceirphdaclvpekrseltteggldvvghfda
vraackqladagvrvslfidpdeaqiraahetgapvielhtgryadahdaaeqqreferi
atgvdagialglkvnaghglhytnvqaiaalpgiaelnighaivahavfvgwdnavremk
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