Table 2 R1 and R2 input and output panning metrics illustrating respective library enrichments and primary ELISA hit-rates for both TEM1-bio and TEM1-SpyC antigens.

From: Integrating SpyCatcher/SpyTag covalent fusion technology into phage display workflows for rapid antibody discovery

Library

hTEM1-bio

hTEM1-SpyC

mTEM1-SpyC

λ

κ

λ

κ

λ

κ

R1

Input (phage; CFU)

7.4 × 1012

5.3 × 1012

7.4 × 1012

5.3 × 1012

7.4 × 1012

5.3 × 1012

Output (CFU)

1.4 × 106

1.1 × 106

5.6 × 105

6.3 × 105

4.4 × 105

3.2 × 105

R2

Input (phage; CFU)

1.6 × 1011

1.2 × 1011

1.2 × 1011

1.4 × 1011

2.4 × 1011

1.9 × 1011

Output (CFU)

2.3 × 109

1.7 × 109

3.0 × 109

2.6 × 109

5.3 × 109

4.1 × 109

 

Enrichment Factor*

7.6 × 10 4

6.8 × 10 4

3.3 × 10 5

1.6 × 10 5

3.7 × 10 5

3.6 × 10 5

R2

ELISA hit rate (%)‡

43

25

56

42

68

44

  1. CFU, colony-forming units; *(R2 Output/Input)/(R1 output/input), ‡signal threshold >5x background.