Where can I find a Certificate of Analysis (COA) for a clonal gene?

Certificates of Analysis (COA) are available for completed orders. You can find the COA for Clonal Gene products in your account by clicking here.


Still have questions? Contact Us

Do Twist Cloning or Expression vectors come with a Kozak and signal peptide sequence included in the vector backbone?

The only Twist-provided vector that contains a Kozak sequence is pTwist ENTR Kozak. All remaining Cloning, Expression, and antibody backbone vectors offered by Twist Bioscience DO NOT contain Kozak or signal peptide (leader) sequences. Twist recommends including a Kozak (GCCGCCACC or variant) along with a signal sequence when planning to express proteins in Mammalian expression systems.


Still have questions? Contact Us

What is the price for a clonal gene?

You can find the pricing table for Clonal Gene products in your account by clicking here.

If you need to contact your Account Manager regarding pricing, their contact information is available in eCommerce under Account.


Still have questions? Contact Us

Does Twist offer plant expression vectors?

No - at this time, Twist does not have vectors for expression in plants; however, we can onboard a custom vector as long as it meets our requirements.


Still have questions? Contact Us

Can I get a glycerol stock of my clonal gene?

Yes, there is an additional charge of $10 per gene.


Still have questions? Contact Us

Can Twist provide cloned products?

Twist can clone gene synthesis products of up to 5,000 bp into any of our catalog vectors. We also offer cloning into your own custom vector.


Still have questions? Contact Us

Where can I find a Certificate of Analysis (COA) for a clonal gene?

Certificates of Analysis (COA) are available for completed orders. You can find the COA for Clonal Gene products in your account by clicking here.


Still have questions? Contact Us

Do Twist Cloning or Expression vectors come with a Kozak and signal peptide sequence included in the vector backbone?

The only Twist-provided vector that contains a Kozak sequence is pTwist ENTR Kozak. All remaining Cloning, Expression, and antibody backbone vectors offered by Twist Bioscience DO NOT contain Kozak or signal peptide (leader) sequences. Twist recommends including a Kozak (GCCGCCACC or variant) along with a signal sequence when planning to express proteins in Mammalian expression systems.


Still have questions? Contact Us

What is the price for a clonal gene?

You can find the pricing table for Clonal Gene products in your account by clicking here.

If you need to contact your Account Manager regarding pricing, their contact information is available in eCommerce under Account.


Still have questions? Contact Us

Does Twist offer plant expression vectors?

No - at this time, Twist does not have vectors for expression in plants; however, we can onboard a custom vector as long as it meets our requirements.


Still have questions? Contact Us

Can I get a glycerol stock of my clonal gene?

Yes, there is an additional charge of $10 per gene.


Still have questions? Contact Us

Can Twist provide cloned products?

Twist can clone gene synthesis products of up to 5,000 bp into any of our catalog vectors. We also offer cloning into your own custom vector.


Still have questions? Contact Us