>4YIN_1|Chains A, B|Beta-lactamase|Pseudomonas aeruginosa (287) SSITENTSWNKEFSAEAVNGVFVLCKSSSKSCATNNLARASKEYLPASTFKIPNAIIGLETGVIKNEHQVFKWDGKPRAMKQWERDLSLRGAIQVSAVPVFQQIAREVGEVRMQKYLKKFSYGNQNISGGIDKFWEGQLRISAVNQVEFLESLFLNKLSASKENQLIVKEALVTEAAPEYLVHSKTGFSGVGTESNPGVAWWVGWVEKGTEVYFFAFNMDIDNENKLPLRKSIPTKIMASEGIIGG