>5ct4B (B:) SEQRES residues ehnpvvmvhgiggasfnfagiksylvsqgwsrdklyavdfwdktgtnynngpvlsrfvqk vldetgakkvdivahsmggantlyyiknldggnkvanvvtlgganrlttgkalpgtdpnq kilytsiyssadmivmnylsrldgarnvqihgvghigllyssqvnslikeglngggqntn