>2ckbB (B:) SEQRES residues eaavtqsprnkvavtggkvtlscnqtnnhnnmywyrqdtghglrlihysygagstekgdi pdgykasrpsqenfslilelatpsqtsvyfcasggggtlyfgagtrlsvledlrnvtppk vslfepskaeiankqkatlvclargffpdhvelswwvngkevhsgvstdpqaykesnysy clssrlrvsatfwhnprnhfrcqvqfhglseedkwpegspkpvtqnisaeawgradc