FEATURES Location/Qualifiers source 1..6400 /organism="Escherichia coli str. K12 substr. MG1655" /mol_type="genomic DNA" /strain="K-12" /sub_strain="MG1655" gene 66..1148 /gene="lacI" /locus_tag="b0345" /synonym="ECK0342, JW0336" CDS 66..1148 /gene="lacI" /locus_tag="b0345" /function="regulator; Degradation of small molecules: Carbon compounds" /experiment="N-terminus verified by Edman degradation: PMID 1107032,4554534,4557395,4571224" /GO_component="cytoplasm" /GO_function="transcriptional repressor activity" /GO_process="carbohydrate catabolic process; transcription" /note="transcriptional repressor of the lac operon" /codon_start=1 /transl_table=11 /product="DNA-binding transcriptional repressor" /protein_id="NP_414879.3" gene 1271..4345 /gene="lacZ" /locus_tag="b0344" /synonym="ECK0341, JW0335" CDS 1271..4345 /gene="lacZ" /locus_tag="b0344" /EC_number="3.2.1.23" /function="enzyme; Degradation of small molecules: Carbon compounds" /GO_component="cytoplasm" /GO_process="carbohydrate catabolic process" /codon_start=1 /transl_table=11 /product="beta-D-galactosidase" /protein_id="NP_414878.1" gene 4397..5650 /gene="lacY" /locus_tag="b0343" /synonym="ECK0340, JW0334" CDS 4397..5650 /gene="lacY" /locus_tag="b0343" /function="transport; Transport of small molecules: Carbohydrates, organic acids, alcohols" /function="1.1.1 metabolism; carbon utilization; carbon compounds" /function="4.2.A.1 transport; Electrochemical potential driven transporters; Porters (Uni-, Sym- and Antiporters); The Major Facilitator Superfamily (MFS)" /function="6.1 cell structure; membrane" /function="7.3 location of gene products; inner membrane" /function="4.S.99 transport; substrate; lactose" /GO_component="organelle inner membrane; peptidoglycan-based cell wall" /GO_process="carbohydrate catabolic process" /note="galactoside permease (lactose permease, M protein) (MFS family)" /codon_start=1 /transl_table=11 /product="lactose/galactose transporter" /protein_id="NP_414877.1" gene 5716..6327 /gene="lacA" /locus_tag="b0342" /synonym="ECK0339, JW0333" CDS 5716..6327 /gene="lacA" /locus_tag="b0342" /EC_number="2.3.1.18" /function="enzyme; Degradation of small molecules: Carbon compounds" /experiment="N-terminus verified by Edman degradation: PMID 3922433" /GO_component="cytoplasm" /GO_process="carbohydrate catabolic process" /codon_start=1 /transl_table=11 /product="thiogalactoside acetyltransferase" /protein_id="NP_414876.1"