eF-site ID 3edc-ABCD PDB Code 3edc Chain A, B, C, D click to enlarge Title Crystal Structure of a 1.6-hexanediol Bound Tetrameric Form of Escherichia coli Lac-repressor Refined to 2.1 Resolution Classification TRANSCRIPTION Compound Lactose operon repressor Source Escherichia coli (strain K12) (LACI_ECOLI) Sequence A:  SLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVE RSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAAC TNVPALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQ QIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDW SAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITES GLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTS VDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR ALADSLMQLARQVSRLESGQ B:  SLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVE RSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAAC TNVPALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQ QIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDW SAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITES GLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTS VDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR ALADSLMQLARQVSRLESGQ C:  SLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVE RSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAAC TNVPALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQ QIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDW SAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITES GLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTS VDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR ALADSLMQLARQVSRLESGQ D:  SLLIGVATSSLALHAPSQIVAAIKSRADQLGASVVVSMVE RSGVEACKAAVHNLLAQRVSGLIINYPLDDQDAIAVEAAC TNVPALFLDVSDQTPINSIIFSHEDGTRLGVEHLVALGHQ QIALLAGPLSSVSARLRLAGWHKYLTRNQIQPIAEREGDW SAMSGFQQTMQMLNEGIVPTAMLVANDQMALGAMRAITES GLRVGADISVVGYDDTEDSSCYIPPLTTIKQDFRLLGQTS VDRLLQLSQGQAVKGNQLLPVSLVKRKTTLAPNTQTASPR ALADSLMQLARQVSRLESGQ Description Functional site 1) chain A residue 69 type sequence S description BINDING SITE FOR RESIDUE HEZ A 400 source : AC1 2) chain A residue 71 type sequence L description BINDING SITE FOR RESIDUE HEZ A 400 source : AC1 3) chain A residue 127 type sequence P description BINDING SITE FOR RESIDUE HEZ A 400 source : AC1 4) chain A residue 220 type sequence W description BINDING SITE FOR RESIDUE HEZ A 400 source : AC1 5) chain B residue 69 type sequence S description BINDING SITE FOR RESIDUE HEZ B 400 source : AC2 6) chain B residue 220 type sequence W description BINDING SITE FOR RESIDUE HEZ B 400 source : AC2 7) chain B residue 246 type sequence N description BINDING SITE FOR RESIDUE HEZ B 400 source : AC2 8) chain B residue 274 type sequence D description BINDING SITE FOR RESIDUE HEZ B 400 source : AC2 9) chain C residue 73 type sequence L description BINDING SITE FOR RESIDUE HEZ C 400 source : AC3 10) chain C residue 220 type sequence W description BINDING SITE FOR RESIDUE HEZ C 400 source : AC3 11) chain C residue 246 type sequence N description BINDING SITE FOR RESIDUE HEZ C 400 source : AC3 12) chain C residue 274 type sequence D description BINDING SITE FOR RESIDUE HEZ C 400 source : AC3 13) chain D residue 69 type sequence S description BINDING SITE FOR RESIDUE HEZ D 400 source : AC4 14) chain D residue 73 type sequence L description BINDING SITE FOR RESIDUE HEZ D 400 source : AC4 15) chain D residue 149 type sequence D description BINDING SITE FOR RESIDUE HEZ D 400 source : AC4 16) chain D residue 220 type sequence W description BINDING SITE FOR RESIDUE HEZ D 400 source : AC4

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