Custom Peptide Synthesis Service

ProMab Biotechnologies has years of experience coupled with a skilled team of scientists to work with you in developing your protein expression services. We offer protein expression services utilizing e. coli expression, baculovirus expression, mammalian expression, gene synthesis and peptide synthesis, as well.

We offer a top of the line peptide synthesis to numerous clients in both industry and academia.

Peptide synthesis takes 1 to 4 weeks depending on peptide length and complexity.

We provide custom peptides of the highest quality, produced by a staff with decades of intensive peptide chemistry experience with the following features:

  • The most competitive price.
  • Milligram to several hundred-gram quantities.
  • Advanced synthesis methodologies for solid phase and/or liquid phase approaches.
  • Fast turnaround time.


State-of-the-art peptide synthesizers, and HPLC and mass spectrometry equipment are used for the synthesis, purification and characterization of our products. All custom peptides are produced according to stringent analytical specifications, which include HPLC and mass spectrometry data. Additional analytical data, such as amino analysis will be provided upon request at an additional charge. All peptides will be shipped lyophilized. Complete confidentiality of all orders is assured.



Mouse monoclonal antibodies


CAR-T development


Hybridoma Sequencing