>1r4zB (B:) SEQRES residues
aehnpvvmvhgiggasfnfagiksylvsqgwsrdklyavdfwdktgtnynngpvlsrfvq
kvldetgakkvdivahsmggantlyyiknldggnkvanvvtlgganrlttgkalpgtdpn
qkilytsiyssadmivmnylsrldgarnvqihgvghigllyssqvnslikeglngggqnt
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