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Assay Detail

CHEMBL5544527

Review assay metadata, readout intent, target linkage, and publication context from the same page.

Binding
Inhibition of N-terminal hexa-histidine tagged SARS-CoV-2 main protease expressed in Escherichia coli BL21 (DE3) using HiLyte Fluor 488TM-ESATLQSGLRKAK-QXL520TM-NH2 as substrate by FRET assay
16
Total Activities
16
Compounds Tested
1
Activity Types
0
Assay Parameters

Assay Information

Assay Type Binding
Organism Severe acute respiratory syndrome coronavirus 2
Confidence 9 — Direct single protein target
Curated By Autocuration

Target

Replicase polyprotein 1ab (CHEMBL4523582)
Type SINGLE PROTEIN
Organism Severe acute respiratory syndrome coronavirus 2

Publication

Exploration of P1 and P4 modifications of nirmatrelvir: Design, synthesis, biological evaluation, and X-ray structural studies of SARS-CoV-2 Mpro inhibitors.
Ghosh AK, Yadav M, Iddum S, Ghazi S, Lendy EK, Jayashankar U, Beechboard SN, Takamatsu Y, Hattori SI, Amano M, Higashi-Kuwata N, Mitsuya H, Mesecar AD.
Eur J Med Chem (2024) 267 : 116132 -116132
PubMed 38335815 · DOI

Activity Statistics

Type Count Avg pChEMBL Best pChEMBL
Ki 16 8.74 10.60

Compounds Tested

Compound Name Phase Activities Best pChEMBL
CHEMBL5563071 1 10.60
CHEMBL5574604 1 10.40
CHEMBL5569828 1 10.05
CHEMBL5569267 1 10.03
CHEMBL5589941 1 9.70
CHEMBL4802135 NIRMATRELVIR 4.0 1 9.59
CHEMBL5178656 1 9.36
CHEMBL5594793 1 9.31
CHEMBL5590149 1 8.96
CHEMBL5563277 1 8.48
CHEMBL5593536 1 8.11
CHEMBL5570206 1 8.11
CHEMBL5202626 1 7.66
CHEMBL5563372 1 7.49
CHEMBL5570219 1 7.43
CHEMBL5570083 1 4.49

Activity Data

Compound Name Type Rel. Value Units pChEMBL
CHEMBL5563071 Ki = 0.025 nM 10.60
CHEMBL5574604 Ki = 0.04 nM 10.40
CHEMBL5569828 Ki = 0.09 nM 10.05
CHEMBL5569267 Ki = 0.094 nM 10.03
CHEMBL5589941 Ki = 0.2 nM 9.70
CHEMBL4802135 NIRMATRELVIR Ki = 0.26 nM 9.59
CHEMBL5178656 Ki = 0.44 nM 9.36
CHEMBL5594793 Ki = 0.49 nM 9.31
CHEMBL5590149 Ki = 1.1 nM 8.96
CHEMBL5563277 Ki = 3.3 nM 8.48
CHEMBL5593536 Ki = 7.7 nM 8.11
CHEMBL5570206 Ki = 7.8 nM 8.11
CHEMBL5202626 Ki = 22.1 nM 7.66
CHEMBL5563372 Ki = 32.2 nM 7.49
CHEMBL5570219 Ki = 36.9 nM 7.43
CHEMBL5570083 Ki = 32300.0 nM 4.49