>1itvB (B:) SEQRES residues ddacnvnifdaiaeignqlylfkdgkywrfsegrgsrpqgpfliadkwpalprkldsvfe eplskklfffsgrqvwvytgasvlgprrldklglgadvaqvtgalrsgrgkmllfsgrrl wrfdvkaqmvdprsasevdrmfpgvpldthdvfqfrekayfcqdrfywrvssrselnqvd qvgyvtydilqcped