A process for the identification of compounds with a molecular weight in the range 100 to 750 which inhibit the binding of the first and/or second bromodomains of human BRD-2 to 4 to acetylated lysine residues of their physiological partner proteins which comprises selecting those compounds which are able to:
a) form a hydrogen bonding interaction in which the compound accepts a hydrogen bond from the sidechain NH2 group of the asparagine residue found at:
BRD-2
BRD-2
BRD-3
BRD-4
BRD-4
BD1
BD2
BD1
BRD-3 BD2
BD1
BD2
ASN156
ASN429
ASN116
ASN391
ASN140
ASN433
or
b) accept a water-mediated hydrogen bond in which the compound accepts a hydrogen bond from a water that is itself hydrogen-bonded to the sidechain hydroxyl of the tyrosine residue found at
BRD-2
BRD-3
BRD-4
BD1
BRD-2 BD2
BD1
BRD-3 BD2
BD1
BRD-4 BD2
TYR113
TYR386
TYR73
TYR348
TYR97
TYR390
and
c) which are also able to form a Van der Waals interaction with a lipophilic binding region of a binding pocket such that one or more heavy atoms of the said compounds lie within a 5 Å range of any of the heavy atoms of the following bromodomain residues which define the binding pocket:
BRD-2
BRD-2
BRD-3
BRD-4
BRD-4
BD1
BD2
BD1
BRD-3 BD2
BD1
BD2
TRP97
TRP370
TRP57
TRP332
TRP81
TRP374
PRO98
PRO371
PRO58
PRO333
PRO82
PRO375
ASP161
ASP434
ASP121
GLU396
ASP145
GLU438
ILE162
VAL435
ILE122
VAL397
ILE146
VAL439
MET165
MET438
MET125
MET400
MET149
MET442
pharmaceutical compositions containing such compounds, and their use in therapy.
一种用于鉴定分子量在100至750范围内的化合物,其抑制人类BRD-2至4的第一和/或第二
溴代域与其生理伴侣蛋白的乙酰化赖
氨酸残基的结合的方法,包括选择那些能够:a)形成氢键相互作用,其中化合物接受BRD-2、BRD-3、BRD-4、BD1、BD2中
天冬氨酸残基侧链NH2基团的氢键,位置分别为:BRD-2 ASN156、BRD-2 ASN429、BRD-3 ASN116、BRD-4 ASN391、BRD-4 ASN140、BRD-4 ASN433;或b)接受
水介导的氢键,其中化合物接受与BRD-2、BRD-3、BRD-4、BD1、BD2中
酪氨酸残基侧链羟基相互作用的
水的氢键,位置分别为:BRD-2 TYR113、BRD-3 TYR386、BRD-4 TYR73、BRD-4 TYR348、BRD-4 TYR97、BRD-4 TYR390;并且c)也能够在结合口袋的疏
水结合区域中形成范德华相互作用,使得所述化合物的一个或多个重原子位于以下
溴代域残基的任何重原子的5Å范围内,从而定义结合口袋:BRD-2、BRD-3、BRD-4、BD1、BD2中的TRP97、TRP370、TRP57、TRP332、TRP81、TRP374、PRO98、PRO371、PRO58、PRO333、PRO82、PRO375、A
SP161、A
SP434、A
SP121、GLU396、A
SP145、GLU438、ILE162、VAL435、ILE122、VAL397、ILE146、VAL439、MET165、MET438、MET125、MET400、MET149、MET442。还涉及含有这种化合物的制药组合物以及它们在治疗中的用途。