14.2 拓展阅读二  O6-甲基鸟嘌呤-DNA甲基转移酶

O6-甲基鸟嘌呤-DNA甲基转移酶

O6-甲基鸟嘌呤-DNA甲基转移酶的相关信息


1. 氨基酸序列


001 MLGQPAPLER FASRRPQVLA VRTVCDLVLG KMDKDCEMKR TTLDSPLGKL ELSGCEQGLH


061 EIKLLGKGTS AADAVEVPAP AAVLGGPEPL MQCTAWLNAY FHQPEAIEEF PVPALHHPVF


121 QQESFTRQVL WKLLKVVKFG EVISYQQLAA LAGNPKAARA VGGAMRGNPV PILIPCHRVV


181 CSSGAVGNYS GGLAVKEWLL AHEGHRLGKP GLGGSSGLAG AWLKGAGATS GSPPAGRN


2. 信息注释


物种来源:Homo sapiens


英文名称:O-6-methylguanine-DNA methyltransferasemethylated DNA protein cysteine methyltransferaseMGMT


系统名称:EC_number=2.1.1.63


编码基因染色体定位:10q26


基因编号:197304670


⑥ DNA结合位点:第125126145146154157159160162165166168176181188氨基酸残基


核糖核酸酶样结构域:第37121氨基酸残基


⑧ ATPase区:第125204氨基酸残基


⑨ MGMT是机体修复烷基加合物的关键酶


⑩ MGMT的结构与功能异常与肿瘤发生与治疗等方面都有着密切的联系


【推荐阅读】


1. Esteller, M., Garcia-Foncillas, J., Andion, E., Goodman, S. N., Hidalgo, O. F., Vanaclocha, V., Baylin, S. B., Herman, J. G. Inactivation of the DNA-repair gene MGMT and the clinical response of gliomas to alkylating agents. New Eng. J. Med. 343: 1350-1354, 2000.


2. Hegi, M. E., Diserens, A.-C., Godard, S., Dietrich, P.-Y., Regli, L., Ostermann, S., Otten, P., Van Melle, G., de Tribolet, N., Stupp, R. Clinical trial substantiates the predictive value of O-6-methylguanine-DNA methyltransferase promoter methylation in glioblastoma patients treated with temozolomide. Clin. Cancer Res. 10: 1871-1874, 2004. 


(吴炳礼 李恩民)