pdh1015 发表于 2013-11-20 20:51:38

AUTODOCK大分子去除里面的小分子

求助:我从PDB数据库下载的酶晶1CVZ.pdb文件,用ChemBio3D去除ligand后保存为11CVZ.pdb,备用
   
   一下操作在ADT中进行
1、Read Molecule 11CVZ.pdb,去水、加氢,保存
2、Flexible Residules,选11CVZ.pdb,

点Yes,出现的对话框继续点Yes合并没有极性的氢
3、柔性残基选择点Add时报错



IDLE 1.2.2      ==== No Subprocess ====
>>> The following nonpolar hydrogens had more than one bond
22PAD:A:SER70:HN2-2 bonds
ERROR *********************************************
Traceback (most recent call last):
File "C:\Program Files\MGLTools-1.5.6\lib\site-packages\ViewerFramework\VF.py", line 898, in tryto
    result = command( *args, **kw )
File "C:\Program Files\MGLTools-1.5.6\lib\site-packages\Pmv\selectionCommands.py", line 924, in doit
    escapeCharacters)
File "C:\Program Files\MGLTools-1.5.6\lib\site-packages\MolKit\stringSelector.py", line 82, in select
    msg = msg + str(m)
UnicodeEncodeError: 'ascii' codec can't encode character u'\uff0c' in position 5: ordinal not in range(128)
no secondary structure set for chain:   !
no secondary structure set for chain:   !
Sorry, there are no Gasteiger parameters available for atom 11CVZ: :ASN212:OXT
ERROR *********************************************
Traceback (most recent call last):
File "C:\Program Files\MGLTools-1.5.6\lib\site-packages\ViewerFramework\VF.py", line 898, in tryto
    result = command( *args, **kw )
File "C:\Program Files\MGLTools-1.5.6\lib\site-packages\Pmv\selectionCommands.py", line 924, in doit
    escapeCharacters)
File "C:\Program Files\MGLTools-1.5.6\lib\site-packages\MolKit\stringSelector.py", line 82, in select
    msg = msg + str(m)
UnicodeEncodeError: 'ascii' codec can't encode character u'\uff0c' in position 5: ordinal not in range(128)


   求高人解释

1、怎么经常报丢失命令?Traceback (most recent call last):
2、为什么删除大分子里原来的配体后就no secondary structure set for chain:   !
3、怎么最后一个氨基酸残基分配不了电荷?Sorry, there are no Gasteiger parameters available for atom 11CVZ: :ASN212:OXT

川大-灰太狼 发表于 2013-11-21 13:16:25

不要使用 Chem3D去删除,然后再保存。你手动在记事本里面,或者yasara view (论坛里面有下载的)或者pymol,打开后删除,然后保存pdb。

pdh1015 发表于 2013-11-22 09:25:44

谢谢,用该方法直接在记事本里删除已解决问题
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