>gi|27805132|emb|CAD60968.1|HER-4| class A beta-lactamase HER-4 MKKITPLFVIAFLTLIALLAPAQASVTPDMTDFLRQQEQRLHARIGMAVVNAQGETVFGYRQDERFPLTS TFKTLACAALLERLQKNGGSLDEQVTIPPDALLDYAPVTKNYLAPATISLRMLCAAAVSYSDNTAGNRIL TYLAGPDAVTQFMRGIGDHVTRLDRTEPTLNEATPGDARDTSSPQKMAAGLQKILTSPPLISANRATLAQ WMRDDKVGDALLRAALPKGWAIADKTGAGGYGSRAIIAAVYPPERPPFYVAIFITQTEASMKMANETTAE IGKQLFAGQP