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[求助]
Amber復(fù)合物做MM-PBSA教程是蛋白老是出錯(cuò)。。
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小輩按照Amber官網(wǎng)上面的教程學(xué)習(xí)MM-PBSA,但是一開(kāi)始我就進(jìn)行不下去啦!我用命令: tleap -f oldff/leaprc.ff99SB > source leaprc.gaff > com = loadpdb ras-raf.pdb > ras = loadpdb ras.pdb > raf = loadpdb raf.pdb 打開(kāi)三個(gè)pdb文件,可是總顯示: Created a new atom named: HD22 within residue: .R<LEU 242> Created a new atom named: HD23 within residue: .R<LEU 242> Created a new atom named: C within residue: .R<LEU 242> Created a new atom named: O within residue: .R<LEU 242> Created a new atom named: OXT within residue: .R<LEU 242> total atoms in file: 3862 The file contained 3862 atoms not in residue templates 然后我繼續(xù)運(yùn)行下列命令: set default PBRadii mbondi2 saveamberparm com ras-raf.prmtop ras-raf.inpcrd saveamberparm ras ras.prmtop ras.inpcrd saveamberparm raf raf.prmtop raf.inpcrd 就出現(xiàn)以下情況: FATAL: Atom .R<LEU 242>.A<HD23 17> does not have a type. FATAL: Atom .R<LEU 242>.A<C 18> does not have a type. FATAL: Atom .R<LEU 242>.A<O 19> does not have a type. FATAL: Atom .R<LEU 242>.A<OXT 20> does not have a type. Failed to generate parameters Parameter file was not saved. 繼續(xù)運(yùn)行后面兩步,能生成我要的*.inpcrd文件和*.prmtop文件,但是是空文件!。 請(qǐng)問(wèn)這是什么問(wèn)題。??要怎么解決呢???做過(guò)這個(gè)例子的,可以指導(dǎo)一下么???跪謝~~~ |
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