>3f5xD (D:) observed residues (from ATOM records)
yhedihtylremevkckpkvgymkkqpditnsmrailvdwlvevgeeyklqnetlhlavn
yidrflssmsvlrgklqlvgtaamllaskfeeiyppevaefvyitddtytkkqvlrmehl
vlkvltfdlaaptvnqfltqyflhqqpanckveslamflgelslidadpylkylpsviag
aafhlalytvtgqswpeslirktgytleslkpclmdlhqtylkapqhaqqsirekyknsk
yhgvsllnppetlnl