>sp|P05193|AMPC_CITFR Beta-lactamase OS=Citrobacter freundii GN=ampC MMKKSICCALLLTASFSTFAAAKTEQQIADIVNRTITPLMQEQAIPGMAVAIIYEGKPYY FTWGKADIANNHPVTQQTLFELGSVSKTFNGVLGGDRIARGEIKLSDPVTKYWPELTGKQ WRGISLLHLATYTAGGLPLQIPGDVTDKAELLRFYQNWQPQWTPGAKRLYANSSIGLFGA LAVKSSGMSYEEAMTRRVLQPLKLAHTWITVPQSEQKNYAWGYLEGKPVHVSPGQLDAEA YGVKSSVIDMARWVQANMDASHVQEKTLQQGIELAQSRYWRIGDMYQGLGWEMLNWPLKA DSIINGSDSKVALAALPAVEVNPPAPAVKASWVHKTGSTGGFGSYVAFVPEKNLGIVMLA NKSYPNPARVEAAWRILEKLQ