#	Aladdin ID	Assay Type	Description	Organism	Compounds	Reference	BAO Format	Source
1.	ALA927933	B	Activity of human ALK4 kinase at 1 uM	Homo sapiens	1	ALA1147076	single protein format	Scientific Literature
2.	ALA970558	B	Inhibition of ALK4 at 1 uM		1	ALA1138512	single protein format	Scientific Literature
3.	ALA993460	B	Binding affinity to human ALK4 at 10 uM relative to control	Homo sapiens	17	ALA1151712	single protein format	Scientific Literature
4.	ALA1032239	B	Inhibition of ACVR1B at 3 uM		1	ALA1142492	single protein format	Scientific Literature
5.	ALA1060956	B	Inhibition of ALK4 at 1 uM		1	ALA1154027	single protein format	Scientific Literature
6.	ALA1062750	B	Inhibition of ALK4 expressed in baculovirus/Sf9 cells assessed as inhibition of receptor autophosphorylation at 0.1 uM after 3 hrs		14	ALA1154039	cell-based format	Scientific Literature
7.	ALA1062751	B	Inhibition of ALK4 expressed in baculovirus/Sf9 cells assessed as inhibition of receptor autophosphorylation at 1 uM after 3 hrs		14	ALA1154039	cell-based format	Scientific Literature
8.	ALA1051278	B	Binding constant for ACVR1B kinase domain	Homo sapiens	38	ALA1150977	single protein format	Scientific Literature
9.	ALA1044499	B	Inhibition of human ALK4 at 20 uM by FRET assay	Homo sapiens	1	ALA1156108	single protein format	Scientific Literature
10.	ALA1066600	B	Residual activity of ACVR1B at 0.1 uM by microplate scintillation counting		3	ALA1152560	single protein format	Scientific Literature
11.	ALA1046506	B	Residual activity of ACVR1B at 10 uM by microplate scintillation counting		3	ALA1152560	single protein format	Scientific Literature
12.	ALA1047772	B	Residual activity of ACVR1B at 1 uM by microplate scintillation counting		3	ALA1152560	single protein format	Scientific Literature
13.	ALA1048629	B	Binding affinity to human ACVR1B at 200 nM by cell-based competition binding assay relative to control in presence of DTT	Homo sapiens	1	ALA1152541	cell-based format	Scientific Literature
14.	ALA1038872	B	Binding affinity to human ACVR1B at 50 nM by cell-based competition binding assay relative to control in presence of DTT	Homo sapiens	1	ALA1152541	cell-based format	Scientific Literature
15.	ALA1045157	B	Binding affinity to human ACVR1B at 500 nM by cell-based competition binding assay relative to control in presence of DTT	Homo sapiens	1	ALA1152541	cell-based format	Scientific Literature
16.	ALA1068648	B	Inhibition of ACVR1B at 10 uM		2	ALA1152632	single protein format	Scientific Literature
17.	ALA1070640	B	Inhibition of ALK4 at 10 uM		1	ALA1153122	single protein format	Scientific Literature
18.	ALA1102591	B	Inhibition of ALK4 at 10 uM		2	ALA1154277	single protein format	Scientific Literature
19.	ALA1168583	B	Inhibition of ACVR1B at 1 uM		10	ALA1165965	single protein format	Scientific Literature
20.	ALA1174057	B	Inhibition of ACVR1B at 10 uM		2	ALA1177794	single protein format	Scientific Literature