Part:BBa_K782070

10x[TALA] operator

TALA and TALC labels represents TAL effector 1257 and 1259 from zebrafish experiments (Sander et al., 2011).

Introduction

TAL effectors (TALEs) are able to specifically bind to the DNA by recognizing base pairs on a DNA molecule. With TAL regulators we are able to control expression of a desired gene. Efficient transcription control can be achieved by binding of multiple TAL regulators upstream of promoter.

Construct contain ten binding sites while single binding site combines 18 base pairs specificly recognised by TALA.

Single binding site sequence for TALA: TTTACTGCTGCTCCCGCT Binding sites are constructed in alternating setup. Besides TALA binding sites construct also contain ten alternating TALC binding sites, which we didn't use, since TALC regulator wasn't working properly.

Figure 1: Schematic representation of the construct.

Characterization

Construct was later used for constructing different reporter plasmids to show specific binding of TALA:KRAB/VP16. Results:

Sequence and Features

Assembly Compatibility:

• 10
  COMPATIBLE WITH RFC[10]
• 12
  COMPATIBLE WITH RFC[12]
• 21
  COMPATIBLE WITH RFC[21]
• 23
  COMPATIBLE WITH RFC[23]
• 25
  INCOMPATIBLE WITH RFC[25]

  Illegal NgoMIV site found at 147
  Illegal NgoMIV site found at 507
  Illegal AgeI site found at 12
  Illegal AgeI site found at 347
  Illegal AgeI site found at 372
  Illegal AgeI site found at 707
  
• 1000
  COMPATIBLE WITH RFC[1000]