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InChI=1S/C12H22O11/c13-1-3-5(14)8(17)10(19)12(23-3)21-2-4-6(15)7(16)9(18)11(20)22-4/h3-20H,1-2H2/t3-,4-,5+,6-,7+,8+,9-,10-,11?,12-/m1/s1
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InChI=1/C12H22O11/c13-1-3-5(14)8(17)10(19)12(23-3)21-2-4-6(15)7(16)9(18)11(20)22-4/h3-20H,1-2H2/t3-,4-,5+,6-,7+,8+,9-,10-,11?,12-/m1/s1
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instead of the β1-4 linkage of lactose. It may arise from the occasional transglycosylation of lactose by
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509:, which results in conformational changes and reduces the binding affinity of the
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operator. The absence of the repressor allows the transcription of the
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Except where otherwise noted, data are given for materials in their
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operon to proceed. A non-hydrolyzable analog of allolactose,
529:(IPTG), is normally used in molecular biology to induce the
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8:
517:operator, thereby dissociating it from the
548:Lac operon § Regulation by allolactose
502:. It binds to a subunit of the tetrameric
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15:
567:at the U.S. National Library of Medicine
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527:isopropyl β-D-1-thiogalactopyranoside
308:Key: DLRVVLDZNNYCBX-VDGMBKLFSA-N
182:
7:
318:Key: DLRVVLDZNNYCBX-VDGMBKLFBT
218:
88:)-6-oxymethyl]oxane-2,3,4,5-tetrol
14:
406:
31:
22:
402:(at 25 °C , 100 kPa).
339:O1(O)(OC(O)1O)CO2O(CO)(O)(O)2O
1:
382:342.296 g/mol
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575:Illustration of function
569:Medical Subject Headings
113:-Galactopyranosyl (1→6)-
470:linked through a β1-6
451:. It consists of the
68:Systematic IUPAC name
18:
472:glycosidic linkage
429:Infobox references
105:-Galactopyranosyl-
57:-Galactopyranosyl-
16:
513:repressor to the
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437:Chemical compound
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434:
261:CompTox Dashboard
164:Interactive image
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500:enteric bacteria
495:Escherichia coli
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355:Chemical formula
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498:and many other
476:β-galactosidase
453:monosaccharides
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559:External links
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400:standard state
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278:DTXSID80893952
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61:-glucopyranose
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590:Disaccharides
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553:Lac repressor
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445:disaccharide
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123:Identifiers
109:-glucose; β-
98:
95:Other names
85:
81:
77:
73:
50:
17:Allolactose
565:allolactose
447:similar to
441:Allolactose
392:1.768 g/mL
348:Properties
184:CHEBI:36229
378:Molar mass
249:C7B2C5KXF9
195:ChemSpider
151:3D model (
140:28447-39-4
130:CAS Number
46:IUPAC name
507:repressor
481:It is an
460:galactose
584:Category
537:See also
533:operon.
229:67375559
117:-glucose
543:Inducer
485:of the
483:inducer
468:glucose
449:lactose
422:what is
420: (
388:Density
372:
216:PubChem
204:4957195
571:(MeSH)
490:operon
417:verify
414:
332:SMILES
40:Names
443:is a
297:InChI
175:ChEBI
153:JSmol
462:and
240:UNII
531:lac
523:lac
519:lac
515:lac
511:lac
505:lac
492:in
488:lac
266:EPA
219:CID
101:-β-
53:-β-
586::
478:.
370:11
366:22
362:12
97:6-
84:,6
80:,5
76:,4
72:(3
49:6-
466:-
464:D
458:-
456:D
412:N
368:O
364:H
360:C
268:)
264:(
155:)
115:D
111:D
107:D
103:D
99:O
86:R
82:S
78:S
74:R
59:D
55:D
51:O
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