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main128

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[求助] 怎么画多糖?可是按照说明一直没画成功!求助高手

想画几个α-1-4键连接的葡萄糖残基,可是按照说明一直没有画成功,不知为何?

请高手帮忙一下

下面这是软件自带的说明:
How to create carbohydrates
To build a carbohydrate
Use File | New | Molecule Window to open an empty Molecule Window.
Use the View menu to open the Build Fragment tool panel in the Tools Explorer.
On the Build Fragment tool panel, expand the Carbohydrates fragment library by clicking the + symbol in front of the library name and double-click on the desired carbohydrate monomer. This opens the first carbohydrate residue into the Molecule Window as a new molecule.
On the Build Fragment tool panel, single click another carbohydrate monomer, select the desired hydroxyl group hydrogen from the 3D fragment View, and select the desired oxygen atom or the hydrogen atom of the hydroxyl group that it will be attached to from the carbohydrate in the Molecule Window.
Execute the Fuse Fragment command on the Build Fragment tool panel. The monomer in the 3D fragment view is added to the carbohydrate in the Molecule Window at the selection point. The two hydroxyl groups have been replaced by a single oxygen atom.
Repeat the last two steps to extend the carbohydrate chain.
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