Target

RPS6KB1

Ribosomal protein S6 kinase beta-1

As of the edition of 20 October 2026, RPS6KB1 (ribosomal protein S6 kinase beta-1, UniProt P23443) has 5 drugs tested at it and 4 companies on the list, 4 on route A and 0 on route B.

Sources: UniProt, ClinicalTrials.gov, ChEMBL, FDA Orange Book and Purple Book, Pharos.

The protein

UniProt
P23443
How well studied
Chemical tools exist; no approved drug acts on it
Where it sits in the cell
In more than one place
Solved structures
22
Disease areas
Cancer; Skin and connective tissue; Urinary and reproductive; Blood and lymph; Immune system; Lungs and airways; Pregnancy and women's health
Registered trials of its drugs
10

Drugs at this target

StatusCount
Went quiet2
Stopped3
Total5
DrugStatusFurthest phaseUS protection
LY-2584702Went quietPhase 1none listed
LY-2780301StoppedPhase 2none listed
RupitasertibWent quietPhase 1none listed
TAS0612StoppedPhase 1none listed
XL-418StoppedPhase 1none listed

5 of 5 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A4
Total on the list4
Three companies on route A or B, with the route only
CompanyRoute
Eli LillyRoute A
ExelixisRoute A
TaihoRoute A

The other 1 company at RPS6KB1

In the product

4 companies in all; 1 is not named here, and no score is.

See the 4 companies at RPS6KB1, ranked, with the facts behind eachRequest access. Nothing is shown until you do.