Sequence confirmation

Fragment-ion evidence that the peptide has the stated sequence.

At a glance

Turnaround

3 to 5 business days from receipt.

Price

Quoted with the project.

Sample

1 vial, or powder.

Accreditation

ISO 17025 quality system, scope extension in progress

Scope

Assignment of b and y fragment ions to the expected sequence.
Localization of modifications (acetylation, amidation, PEG, lipidation) where fragmentation supports it.

Method

LC-MS/MS with collision-induced or higher-energy dissociation on the Orbitrap.
Fragment matching against the stated sequence.

Reported as

Annotated MS/MS spectrum, fragment coverage, confirmed or not confirmed.

Sample

1 vial, or powder.

Accreditation

Performed under the laboratory’s ISO/IEC 17025:2017 quality system. A2LA scope extension (certificate 6377.01) in progress.

Order

Start an order online, or send the compound name and the tests you need for a quote.

All peptide testing