U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Approval Year

Substance Class Protein
Created
by admin
on Tue Apr 01 17:05:58 GMT 2025
Edited
by admin
on Tue Apr 01 17:05:58 GMT 2025
Protein Sub Type
Sequence Type COMPLETE
Record UNII
T3CA3UN9ZA
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
72 KDA ICLN-BINDING PROTEIN
Preferred Name English
PROTEIN ARGININE N-METHYLTRANSFERASE 5
Common Name English
PRMT5
Common Name English
SHK1 KINASE-BINDING PROTEIN 1 HOMOLOG
Common Name English
SKB1HS
Common Name English
HISTONE-ARGININE N-METHYLTRANSFERASE PRMT5
Common Name English
JAK-BINDING PROTEIN 1
Common Name English
PROTEIN ARGININE N-METHYLTRANSFERASE 5, N-TERMINALLY PROCESSED
Common Name English
SKB1 HOMOLOG
Common Name English
Code System Code Type Description
WIKIPEDIA
PROTEIN ARGININE METHYLTRANSFERASE 5
Created by admin on Tue Apr 01 17:05:58 GMT 2025 , Edited by admin on Tue Apr 01 17:05:58 GMT 2025
PRIMARY
SMS_ID
100000184150
Created by admin on Tue Apr 01 17:05:58 GMT 2025 , Edited by admin on Tue Apr 01 17:05:58 GMT 2025
PRIMARY
FDA UNII
T3CA3UN9ZA
Created by admin on Tue Apr 01 17:05:58 GMT 2025 , Edited by admin on Tue Apr 01 17:05:58 GMT 2025
PRIMARY
UNIPROT
O14744
Created by admin on Tue Apr 01 17:05:58 GMT 2025 , Edited by admin on Tue Apr 01 17:05:58 GMT 2025
PRIMARY
Related Record Type Details
INHIBITOR -> TARGET
Collectively, pre-clinical pharmacology studies indicate that JBI-778 is a potent and selective, substrate competitive-SAM cooperative, brain penetrant protein arginine methyl transferase 5 (PRMT5) inhibitor. JBI-778 shows higher selectivity against other PRMTs. The compound shows an IC50 of ~3 nM against PRMT5:MEP50 in the biochemical assay
COMPETITIVE INHIBITOR
IC50
INHIBITOR -> TARGET
INHIBITOR -> TARGET
COMPETITIVE INHIBITOR
Kd
INHIBITOR -> TARGET
INHIBITOR -> TARGET
INHIBITOR -> TARGET
MTA competes with the activating cofactor S-adenosyl-l-methionine (SAM), causing a decrease in PRMT5 activity and sensitizes the MTAP-del cells to further loss of PRMT5 activity.
INHIBITOR -> TARGET
inhibitor of the PRMT5/MEP50 complex; Cellular assay MTAP-deleted cell line
IN-VITRO

Structural Modifications

Modification Type Location Site Location Type Residue Modified Extent Fragment Name Fragment Approval
AMINO ACID SUBSTITUTION [1_1] A N-ACETYLALANINE 26C4VY6Z0M
Name Property Type Amount Referenced Substance Defining Parameters References
Molecular Formula CHEMICAL
MOL_WEIGHT CHEMICAL