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HumanKine Protein Special

Buy two 10ug HumanKine proteins, Get one free

Purchase two 10ug or larger HumanKine® proteins and get an additional 10ug size free. Exclusions apply, please refer to terms and conditions.

To take advantage of this offer, place an order using the promo code below.

This promotion has now ended

Valid in the USA and Canada from 08/01/2020 - 09/30/2020

What makes human-cell expressed proteins unique?

HumanKine® recombinant proteins are created in HEK293 cells using animal-free components.

  • High bioactivity & stability
  • Lot-to-lot consistency 
  • Native human conformation & post-translational modifications
  • Endotoxin-free, xeno-free & tag-free
Click here  to browse all products and learn more about the advantages of HumanKine®  human-cell expressed proteins.

Terms and conditions
  • This promotional offer is only available to customers based in the US and Canada.
  • This promotion is valid from 08-01-2020 to 09-30-2020.
  • This promotion allows customers to buy two 10ug HumanKine® proteins to get one 10ug Humankine protein free.
  • The product of equal or lesser value will be chosen as the free product.
  • This promotion is valid for most research-grade HumanKine® recombinant proteins. Some exclusions apply. GMP-grade recombinant proteins are not included.
  • The following products are excluded from this promotion:  IFN gamma (HZ-1301), PDGFbb (HZ-1308), PDGF-aa (HZ-1215), Sonic Hedgehog SHH (HZ-1306), Lefty-1 (HZ-1109), Wnt3A (HZ1296) and GDNF (HZ-1311). 
  • This promotion can only be used once in a single order. A maximum of one free product per order, regardless of additional full-sized products included in that order. Any additional products in the same order will be charged at full price.
  • This promotion code cannot be used in conjunction with any other promotional offer.
  • This promotion is only valid for orders quoting the promotional code and cannot be redeemed after an order has been placed.
  • The promotion code must be entered at checkout or quoted on your email/fax order to be applied to your order.
  • Proteintech reserves the right to cancel or refuse this promotion at any time.
  • Standard shipping costs still apply.


1 January, 0001


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