Table 1 Summary of MPL generated protein reagents across various target classes.

From: Modular Protein Ligation: A New Paradigm as a Reagent Platform for Pre-Clinical Drug Discovery

E. coli Expression - Intracellular Proteins

Modification

Potential End Use

Yield Final Product

IDO1 (Uniprot P14902)

Biotin

ELT/SPR

0.24 mg/g

Cy5

MST/cmpd aggr.

~0.2 mg/g

none

Activity

0.6 mg/g

murine Keap1(Uniprot Q9Z2X8)

lanthanide

NMR

 > 5 mg/g

Biotin

ELT/SPR

~1 mg/g

10His

ELT/SPR

~1 mg/g

Fluorescein

MST/cmpd aggr.

~1.5 mg/g

E. coli LpxC (Uniprot P0A725)

Biotin

ELT/SPR

 > 0.4 mg/g

none

Activity

~0.4 mg/g

P. aeruginosa LpxC (Uniprot P47205)

dual Strep

SPR

~0.5 mg/g

Biotin

ELT/SPR

~0.5 mg/g

Ogg1 expressed with GyrA (Uniprot O15527)

Fluorescein

MST/cmpd aggr.

2.25 mg/g

Biotin

ELT/SPR

2.6 mg/g

None

unlabeled control

2.3 mg/g

Sirt1(1–747) (Uniprot Q96EB6)

Biotin

ELT/SPR

 > 0.14 mg/g

Fluorescein

MST/cmpd aggr.

 > 0.14 mg/g

STING (149–379) H232R (Uniprot Q86WV6)

Biotin

ELT/SPR

 > 0.2 mg/g

Fluorescein

MST/cmpd aggr.

 > 0.1 mg/g

Baculoviral Expression - Intracellular Protein

Sirt1(183–664) expressed with VMA

Biotin

ELT/SPR

1.5 mg/g

Fluorescein

MST/cmpd aggr.

1.0 mg/g

Sirt1(183–664) expressed with GyrA

Biotin

ELT/SPR

1.3 mg/g

Fluorescein

MST/cmpd aggr.

1.3 mg/g

RIPK1 (Uniprot Q13546)

Biotin

ELT/SPR

~0.01 mg/g

lanthanide

NMR

~0.04 mg/g

none

control

~0.01 mg/g

Baculoviral Expression – Secreted

TFR1 (L122-F760) (Uniprot P02786)

Biotin

SPR

0.05–0.16 mg/L

Fluorescein

MST/cmpd aggr.

0.14 mg/L

Mammalian Expression of Secreted Protein

soluble CD73 (Uniprot P21589)

Fluorescein

MST/cmpd aggr.

 > 5.0 mg/L Medium

Biotin

ELT/SPR

 > 5.0 mg/L

Dansyl

Trp Fl

Trp Fl

Cy5

MST

MST

10His

SPR

SPR

None

Activity

~1.0 mg/L

IGD domain of aggrecan (Uniprot P16112)

Biotin

SPR

~1.0 mg/L