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GSK789

Compound concentration: 10 µM

Receptor	HGNC target name	Inhibition [%] (Primary experimental value)	Ki [nM] (Secondary experimental value)	pKi
5-HT2C	HTR2C	14.02
5-HT3	HTR3A	31.79
5-HT5A	HTR5A	24.15
Beta2	ADRB2	19.83
DOR	OPRD1	40.94
H1	HRH1	-0.72
H2	HRH2	-1.12
H3	HRH3	-9.93
M4	CHRM4	17.14
M5	CHRM5	16.34
SERT	SLC6A4	17.70
5-HT1A	HTR1A	17.27
5-HT1B	HTR1B	3.37
5-HT1D	HTR1D	-6.42
5-HT1E	HTR1E	-38.65
5-HT2A	HTR2A	-5.01
5-HT2B	HTR2B	9.16
5-HT6	HTR6	-37.35
5-HT7A	HTR7	-15.88
D1	DRD1	27.26
D2	DRD2	-4.38
D3	DRD3	9.01
Alpha1A	ADRA1A	25.24
Alpha1B	ADRA1B	11.83
Alpha1D	ADRA1D	36.58
Alpha2A	ADRA2A	-3.97
Alpha2B	ADRA2B	-0.37
Alpha2C	ADRA2C	8.58
M1	CHRM1	-9.42
M2	CHRM2	0.27
M3	CHRM3	-10.96
Sigma 1	SIGMAR1	22.61
Sigma 2	TMEM97	9.26
D4	DRD4	97.93	1013.12 average (n=2)	6.00
D5	DRD5	33.17
DAT	SLC6A3	28.51
H4	HRH4	15.90
KOR	OPRK1	28.06
MOR	OPRM1	27.04
NET	SLC6A2	30.53
GABAA/BZP		24.74
GABAA		14.77
GABA/PBR		3.90
Beta1	ADRB1	1.68
Beta3	ADRB3	13.80

GSK791

Compound concentration: 10 µM

Receptor	HGNC target name	Inhibition [%] (Primary experimental value)	Ki [nM] (Secondary experimental value)	pKi
Beta1	ADRB1	2.98
Beta3	ADRB3	35.12
GABAA/BZP		86.29	2539.22	5.60
GABAA		14.94
GABA/PBR		-8.18
D4	DRD4	17.42
D5	DRD5	35.43
DAT	SLC6A3	8.66
H4	HRH4	-23.90
KOR	OPRK1	34.94
MOR	OPRM1	24.29
NET	SLC6A2	32.42
5-HT1A	HTR1A	16.91
5-HT1B	HTR1B	1.93
5-HT1D	HTR1D	33.11
5-HT1E	HTR1E	9.79
5-HT2A	HTR2A	2.71
5-HT2B	HTR2B	24.26
5-HT6	HTR6	-15.62
5-HT7A	HTR7	-22.02
D1	DRD1	21.21
D2	DRD2	-10.92
D3	DRD3	15.52
Alpha1A	ADRA1A	10.06
Alpha1B	ADRA1B	1.98
Alpha1D	ADRA1D	7.87
Alpha2A	ADRA2A	9.80
Alpha2B	ADRA2B	28.51
Alpha2C	ADRA2C	10.75
Sigma 2	TMEM97	44.11
5-HT2C	HTR2C	3.86
5-HT3	HTR3A	1.04
5-HT5A	HTR5A	10.08
Beta2	ADRB2	4.04
DOR	OPRD1	21.99
H1	HRH1	11.68
H2	HRH2	21.58
H3	HRH3	-2.09
M1	CHRM1	11.99
M2	CHRM2	5.25
M3	CHRM3	28.89
M4	CHRM4	-3.00
M5	CHRM5	7.44
SERT	SLC6A4	13.85
Sigma 1	SIGMAR1	-20.77

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GSK789

A panel of bromodomain containing proteins (BCP) was screened in a dose-response format in duplicate.

Conclusion: GSK789 is selective for the BD1 domain of BET proteins with the exception of the following two hits: TAF1 BD2 (pKd = 7.3) and TAF1L BD2 (pKd = 6.4).

Target protein	HGNC name	Species	pKd
ATAD2A	ATAD2	Homo sapiens	4.8
ATAD2B	ATAD2B	Homo sapiens	4.8
BAZ2A	BAZ2A	Homo sapiens	4.8
BAZ2B	BAZ2B	Homo sapiens	< 4.5
BRD1	BRD1	Homo sapiens	< 4.5
BRD2 (BD1)	BRD2	Homo sapiens	7.7
BRD2 (BD2)	BRD2	Homo sapiens	4.6
BRD3 (BD1)	BRD3	Homo sapiens	7.8
BRD3 (BD2)	BRD3	Homo sapiens	4.7
BRD4 (BD1)	BRD4	Homo sapiens	7.7
BRD4 (BD2)	BRD4	Homo sapiens	4.5
BRD7	BRD7	Homo sapiens	< 4.6
BRD8 (BD1)	BRD8	Homo sapiens	< 4.5
BRD8 (BD2)	BRD8	Homo sapiens	< 4.5
BRD9	BRD9	Homo sapiens	< 4.5
BRDT (BD1)	BRDT	Homo sapiens	7.7
BRDT (1,2)	BRDT	Homo sapiens	7.0
BRDT (BD2)	BRDT	Homo sapiens	4.7
BRPF1	BRPF1	Homo sapiens	< 4.5
BRPF3	BRPF3	Homo sapiens	< 4.5
CECR2	CECR2	Homo sapiens	< 4.5
CREBBP	CREBBP	Homo sapiens	< 4.5
EP300	EP300	Homo sapiens	4.6
FALZ	BPTF	Homo sapiens	< 4.5
GCN5L2	KAT2A	Homo sapiens	< 4.5
PBRM1 (BD2)	PBRM1	Homo sapiens	< 4.5
PBRM1(5)	PBRM1	Homo sapiens	5.0
PCAF	KAT2B	Homo sapiens	< 4.5
SMARCA2	SMARCA2	Homo sapiens	< 4.5
SMARCA4	SMARCA4	Homo sapiens	< 4.5
TAF1 (BD2)	TAF1	Homo sapiens	7.3
TAF1L (BD2)	TAF1L	Homo sapiens	6.4
TRIM24 (TIF1alpha) (BD)	TRIM24	Homo sapiens	4.7
TRIM24 (TIF1alpha) (PHD & BD)	TRIM24	Homo sapiens	< 4.5
TRIM33 (TIF1gamma) (PHD & BD)	TRIM33	Homo sapiens	< 4.5
WDR9 (BD2)	BRWD1	Homo sapiens	< 4.5