lacI

Gene

lacI

Protein

Lactose operon repressor

Organism

Escherichia coli (strain K12)

Length

360 amino acids

Function

Repressor of the lactose operon. Binds allolactose as an inducer.

Mass

38.59 kDa

Sequence

MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPNRVAQQLAGKQSLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVERSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAACTNVPALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQQIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDWSAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITESGLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTSVDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPRALADSLMQLARQVSRLESGQ

Protein

Lactose operon repressor: lacI

Gene

lacI

Protein

Lactose operon repressor

Organism

Klebsiella pneumoniae

Length

354 amino acids

Function

Repressor of the lactose operon. Binds lactose as an inducer.

Mass

38.676 kDa

Fragment

single

Sequence

MPRRTATLEDVARRGRVPADGLRRVLNRPEVVSARTREQVIRAMQALHYVPNRSAQLLAGKAAPSIGLITASVTLHAPSQIAAAIKSHASLHQLEVAIAMPAQADFVALQARLDELRAQHIRGVIVSLPLESATAERLVQDNPDMACLFLDVSPEADVCCVRFDHRDGCGACVRHLWEMGHREFGLLAGPESSVSARLRLASWREALHSLNIARSTTVFGDWSAASGWQKTFELLHLQPRISAIVVANDQMALGVLSALAQLNRSGSQAVSVTGYDDTADSLYFQPPLTTVAQDFDLLGKRAVERLIALMAAPQLRIRELLPTRLIVRQSAWPVAAAEDRQQTLAQLKALVEKL

Protein

Lactose operon repressor: lacI

Gene

lacI

Protein

Lactose operon repressor

Organism

Rhizobium radiobacter

Length

113 amino acids

Function

Repressor of the lactose operon. Binds lactose as an inducer.

Mass

12.146 kDa

Fragment

single

Sequence

ETGYQQAKSLLALEVRPDAIVAANDNMAIGTYRAIQEAGLSIPGDIAVVAFNDIPVAQFLTPPLSTMRIPGELIGEVAVDLLVERLNGRDYSKHVTLPTEMIWRASAKKPSAS

Protein

Lactose operon repressor: lacI