>3O3V_1|Chains A, B, C|beta-lactamase|Escherichia coli (714962) ERLSTLIHQRMQEAKVPALSVSVTIKGVRQRFVYGVADVASQKANTLDTVYELGSMSKAFTGLVVQILIQEGRLRQGDDIITYLPEMRLNYQGKPASLTVADFLYHTSGLPFSTLARLENPMPGSAVAQQLRNENLLFAPGAKFSYASANYDVLGAVIENVTGKTFTEVIAERLTQPLGMSATVAVKGDEIIVNKASGYKLGFGKPVLFHAPLARNHVPAAYIHSTLPDMEIWIDAWLHRKALPATLREAMSNSWRGNSDVPLAADNRILYASGWFIDQNQGPYISHGGQNPNFSSCIALRPDQQIGIVALANMNSNLILQLCADIDNYLRIGKY