>1z3uB (B:) SEQRES residues
sfrdcaevfksghttngiytltfpnsteeikaycdmeaggggwtiiqrredgsvdfqrtw
keykvgfgnpsgeywlgnefvsqltnqqryvlkihlkdwegneayslyehfylsseelny
rihlkgltgtagkissisqpgndfstkdgdndkcickcsqmltggwwfdacgpsnlngmy
ypqrqntnkangikwaawkgsgyslkattmmirpadf