Acid dissociation constant, a potential physicochemical factor in the inhibition of the enzyme estrone sulfatase (ES)

被引:28
作者
Ahmed, S [1 ]
Owen, CP [1 ]
James, K [1 ]
Patel, CK [1 ]
Patel, M [1 ]
机构
[1] Kingston Univ, Sch Chem & Pharmaceut Sci, Kingston upon Thames KT1 2EE, Surrey, England
关键词
D O I
10.1016/S0960-894X(01)00087-7
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
We report the initial results of the synthesis and biochemical evaluation of a series of aminosulfonate based compounds of phenol and the determination of the pK(a) of the parent phenol in an attempt to investigate the role of this physicochemical factor in the irreversible inhibition of the enzyme estrone sulfatase (ES). The results of the study show that there is a strong correlation between the observed pK(a) and inhibitory activity. We postulate that the stability of the phenoxide ion, as indicated by the acid dissociation constant, is an important factor in the irreversible inhibition of this enzyme. (C) 2001 Published by Elsevier Science Ltd.
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页码:899 / 902
页数:4
相关论文
共 8 条
  • [1] Estrone sulfatase: Probing structural requirements for substrate and inhibitor recognition
    Anderson, C
    Freeman, J
    Lucas, LH
    Farley, M
    Dalhoumi, H
    Widlanski, TS
    [J]. BIOCHEMISTRY, 1997, 36 (09) : 2586 - 2594
  • [2] Harwood L.M., 1989, EXPT ORGANIC CHEM, P716
  • [3] Estrone sulfonates as inhibitors of estrone sulfatase
    Howarth, NM
    Purohit, A
    Reed, MJ
    Potter, BVL
    [J]. STEROIDS, 1997, 62 (04) : 346 - 350
  • [4] ESTRONE SULFATE ANALOGS AS ESTRONE SULFATASE INHIBITORS
    LI, PK
    PILLAI, R
    DIBBELT, L
    [J]. STEROIDS, 1995, 60 (03) : 299 - 306
  • [5] Steroid sulphatase: expression, isolation and inhibition for active-site identification studies
    Purohit, A
    Potter, BVL
    Parker, MG
    Reed, MJ
    [J]. CHEMICO-BIOLOGICAL INTERACTIONS, 1998, 109 (1-3) : 183 - 193
  • [6] Inhibition of placental estrone sulfatase activity and MCF-7 breast cancer cell proliferation by estrone-3-amino derivatives
    Selcer, KW
    Jagannathan, S
    Rhodes, ME
    Li, PK
    [J]. JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY, 1996, 59 (01) : 83 - 91
  • [7] Heteroatom-substituted analogues of the active-site directed inhibitor estra-1,3,5(10)-trien-17-one-3-sulphamate inhibit estrone sulphatase by a different mechanism
    Woo, LWL
    Lightowler, M
    Purohit, A
    Reed, MJ
    Potter, BVL
    [J]. JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY, 1996, 57 (1-2) : 79 - 88
  • [8] Steroidal and nonsteroidal sulfamates as potent inhibitors of steroid sulfatase
    Woo, LWL
    Howarth, NM
    Purohit, A
    Hejaz, HAM
    Reed, MJ
    Potter, BVL
    [J]. JOURNAL OF MEDICINAL CHEMISTRY, 1998, 41 (07) : 1068 - 1083