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General

  • Does Twist supply prepped DNA along with purified or supernatant antibodies?
  • What does a leader (signal peptide) sequence do and what leader sequence do we use in our pTwist vectors?
  • What does a kozak sequence do and what is the sequence in our pTwist vectors?
  • I am receiving the media, how do I purify my antibody?
  • What strain of cells was used to produce these antibodies?
  • Can I have an antibody made with a custom Fc region such as IgG3 Fc, mutated IgG 1 Fc or other species such as mouse or
  • Why are the C-terminal lysine residues missing from our IgG constructs?
  • Why is the 10th positon cystein in our VHH-Fc fusion vectors mutated to a serine?
  • How should I upload my antibody sequences?
  • What is our pricing breakdown for custom antibodies?

Delivery Format

  • What buffer options do you offer for buffer exchange?
  • How are my antibodies inspected for quality?
  • What elution volumes do you supply and what are the expected yields of 1 mL and 8 mL scales?
  • What delivery formats are available?
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