24小时热门版块排行榜    

查看: 397  |  回复: 2

飞_0810

捐助贵宾 (小有名气)

[求助] 关于金属酶中金属离子作为活性中心的作用?

请问金属离子具有亲核性还是亲电性还是都有?请以乙醇脱氢酶中的锌离子为例给讲一下作用机制吧。
下面这两句英文是关于金属离子作用的,可以的话也顺便翻译一下。

[ 发自手机版 http://muchong.com/3g ]
回复此楼

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

飞_0810

捐助贵宾 (小有名气)

One role for metals in metal-activated enzymes and metalloenzymes is to act as electrophilic catalysts, stabilizing the increased electron density or negative charge that can develop during reactions.
Another potential function of metal ions is to provide a powerful nucleophile at neutral pH. Coordination to a metal ion can increase the acidity of a nucleophile with an ionizable proton。

[ 发自小木虫客户端 ]
2楼2014-09-03 08:51:56
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

飞_0810

捐助贵宾 (小有名气)

为啥没人理我啊~~~
3楼2014-09-03 13:22:04
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 飞_0810 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +4 ELBZ6WwEaRj6 2026-11-04 9/450 2026-11-06 12:21 by BkA9Bi5cMhkD
[公派出国] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +4 ttH3f1oA6ace 2026-11-04 9/450 2026-11-06 12:10 by BkA9Bi5cMhkD
[公派出国] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +5 ttH3f1oA6ace 2026-11-04 11/550 2026-11-06 12:08 by BkA9Bi5cMhkD
[考研] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +7 ncTVBM6AOJHF 2026-11-04 17/850 2026-11-06 11:24 by 2lRNluKrJpwL
[硕博家园] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +7 ncTVBM6AOJHF 2026-11-04 13/650 2026-11-06 11:24 by 2lRNluKrJpwL
[硕博家园] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 ELBZ6WwEaRj6 2026-11-04 12/600 2026-11-06 05:32 by qL1cU46YIdK0
[公派出国] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +7 ncTVBM6AOJHF 2026-11-04 11/550 2026-11-06 05:15 by Equinoxhua
[考研] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +4 ttH3f1oA6ace 2026-11-04 14/700 2026-11-06 05:11 by qL1cU46YIdK0
[考博] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +4 kvewwGtKktqB 2026-11-04 11/550 2026-11-06 05:10 by qL1cU46YIdK0
[考博] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +6 ncTVBM6AOJHF 2026-11-04 16/800 2026-11-06 04:58 by qL1cU46YIdK0
[考研] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +6 ncTVBM6AOJHF 2026-11-04 13/650 2026-11-06 04:49 by qL1cU46YIdK0
[硕博家园] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +4 ncTVBM6AOJHF 2026-11-04 12/600 2026-11-06 04:47 by qL1cU46YIdK0
[公派出国] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +7 ncTVBM6AOJHF 2026-11-04 22/1100 2026-11-06 04:47 by qL1cU46YIdK0
[硕博家园] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +4 ELBZ6WwEaRj6 2026-11-04 8/400 2026-11-06 02:24 by qL1cU46YIdK0
[考研] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +4 ttH3f1oA6ace 2026-11-04 10/500 2026-11-06 02:04 by qL1cU46YIdK0
[硕博家园] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +3 ttH3f1oA6ace 2026-11-04 9/450 2026-11-06 02:02 by qL1cU46YIdK0
[考研] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +5 ncTVBM6AOJHF 2026-11-04 12/600 2026-11-06 01:42 by qL1cU46YIdK0
[硕博家园] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +5 ncTVBM6AOJHF 2026-11-04 10/500 2026-11-06 01:40 by qL1cU46YIdK0
[教师之家] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +4 ncTVBM6AOJHF 2026-11-04 12/600 2026-11-05 11:10 by PYZmcHr5kSaq
[基金申请] 各位基础老师们,看完中央《从严治党》的决定后,对学术界更加有信心了吧 +5 iaeyuan 2026-11-01 5/250 2026-11-04 14:43 by jinchengzi
信息提示
请填处理意见