>cath|current|3bl4A01/4-75
GMSGDSEVGTEAGLTLGGDGILRLTWPRGAAITAADAERAMLRVNQLCGDDRHPMLVDMATTADVSRGARAVFGRP
>cath|current|3bl4B01/12-75
GMSGDSEVGTEAGLTLGGDGILRLTWPRGAAITAADAERAMLRVNQLCGDDRHPMLVDMATTADVSRGARAVFGRP