EETI-II scaffold protein anti-Human Neutrophil elastase

CAT#: SEE-L085

The EETI-II that bound Neutrophil elastase was isolated from the library using mRNA display techonology. After affinity maturation, EETI-II variants were identified having affinities (KD=160 pM) for Neutrophil elastase as determined by biosensor technology. It's potential to be used in diagnostic, research and therapeutic applications.

Gene Expression
Figure 1 Bone marrow Figure 2 RNA cell line category: Cell line enriched (THP-1)

Specifications

  • Scaffold Name
  • EETI-II
  • Origin
  • Trypsin-specific squash inhibitor EETI II
  • Core Structure
  • Coiled, cys-rich (28)
  • Variable Regions
  • 6 aa
  • Target
  • Neutrophil elastase
  • Species Reactivity
  • Human
  • Expression Host
  • E. coli
  • Affinity Constant
  • 160 pM
  • Applications
  • ELISA; IHC; Microscopy; FC; WB; FuncS

Target

  • Alternative Names
  • trypsin-specific squash inhibitor EETI II; EETI-II; GE; NE; HLE; HNE; ELA2; SCN1; PMN-E
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Breast cancer biomarkers at key points during disease progression
Picomolar Affinity Achieved
The affinity maturation on this EETI-II scaffold is outstanding, reaching 160 pM. It binds Neutrophil elastase incredibly tightly, which is perfect for our sensitive detection assays involving inflammatory disease markers.
Breast cancer biomarkers at key points during disease progression
Effective mRNA Display
The use of mRNA display technology clearly resulted in a high-quality binder. We use this protein to inhibit and study the hydrolysis of proteins within azurophil granules, and it performs consistently across all our replicates.

Q&As

  1. What is the measured KD for this scaffold protein?

    A: Following affinity maturation, EETI-II variants were identified with exceptional affinities, specifically a KD of 160 pM for Neutrophil elastase. This was determined using biosensor technology after isolation via mRNA display.

  2. What is the nature of the EETI-II scaffold?

    A: EETI-II is a trypsin-specific squash inhibitor characterized by a coiled, cysteine-rich structure with approximately 28 amino acids and a 6 amino acid loop. This scaffold serves as a stable framework for engineering high-affinity binders.

View the frequently asked questions answered by Creative Biolabs Support.

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