>gi|23264040|gb|AAL78161.1|OXY-4-1| class A extended-spectrum beta-lactamase OXY-4-1 MLKSSWRKSALMAAAVPLLLASGSLWASADTLQQKLADLEKRSGGRLGVALINTADDSQTLYRGDERFAM CSTGKVMAAAAVLKQSESHPDVVNKRLEIKKSDLVVWSPITEKHLQSGMTLAELSAAALQYSDNTAMNKI IGYLGGPEKVTAFAQSIGDVTFRLDRMEPALNSAIPGDKRDTTTPLAMAESLRKLTLGNALGEQQRAQLV TWLKGNTTGGQSIRAGLPASWAVGDKTGGGDYGTTNDIAVIWPENHAPLVLVTYFTQPQQDAKSRKEVLA AAAKIVTEGL