>1nykB (B:) SEQRES residues tpekeplkpgdilvyaqgggepkpirleelkpgdpfvlaypmdpktkvvksgeakntllv arfdpeelapevaqhaaegvvaysavcthlgcivsqwvadeeaalcpchggvydlrhgaq viagppprpvpqlpvrvedgvlvaageflgpvgvqasagaytwrv