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¸ù¾Ý³£ÊýKd, Ki, pKd»òÕßpKiʹÓÃMolAICal¼ÆËã½áºÏ×ÔÓÉÄܵIJÙ×÷½Ì³Ì ¸ü¶à½Ì³Ì£¨º¬Ó¢ÎĽ̳̣©Çë¼ûÈçÏ£º MolAICal¹Ù·½Ö÷Ò³£ºhttps://molaical.github.io MolAICal ÎÄÕ½éÉÜ£ºhttps://doi.org/10.1093/bib/bbaa161 MolAICalÖÐÎIJ©¿Í£ºhttps://molaical.github.io/cntutorial.html MolAICal blogspot£ºhttps://qblab.blogspot.com 1. ¼ò½é ÓÐʱÎÒÃÇÐèÒª¸ù¾ÝPDBBindÊý¾Ý¿âÌṩµÄ³£ÊýKi, Kd, pKd¼°pKi ¼ÆËãÌåϵµÄ½áºÏ×ÔÓÉÄÜ[1-3] (ÀýÈ磺ѵÁ·Vinardo´ò·Öº¯Êýʱ£¬ÐèÒª½áºÏ×ÔÓÉÄÜ)¡£ÔÚ¼ÆËã½áºÏ×ÔÓÉÄÜǰ£¬ÎÒÃÇÏÈÒýÈë±í¸ñ1ÖÐËùʾµÄ¹ú¼ÊͨÓõ¥Î»ÖÆ (SI) ¡£Ðí¶àʵÑéÊÒ¼°ÎÄÏ×ÖÐʹÓÃµÄ mol/dm3Óëmol/L±íʾͬһÊýÁ¿¼¶ (Ò²¿ÉÃüÃûΪ¡°M¡±)¡£ÀýÈ磺 mol/m3 = 10−3 mol/dm3 = 10−3 mol/L = 10−3 M = 1 mmol/L = 1 mM. ±í 1. Ħ¶ûŨ¶Èµ¥Î»±í "millimolar" ºÍ "micromolar" ·Ö±ð±íʾ mM (10−3 mol/L) ºÍ ¦ÌM (10−6 mol/L)¡£Ä¦¶ûŨ¶ÈÏà¹ØµÄÏêϸÐÅÏ¢Çë²Î¿¼ÍøÕ¾£º https://en.wikipedia.org/wiki/Molar_concentration ±¾½Ì³ÌÌṩÁËÒ»ÖÖÔÚ³£ÊýKi, Kd, pKd »òpKiÒÑÖªµÄÌõ¼þÏ£¬ÓÃMolAICal¼ÆËã½áºÏ×ÔÓÉÄܵļò±ã·½·¨¡£ 2. ¹¤¾ß 2.1. ËùÐèÈí¼þÏÂÔØµØÖ· 1) MolAICal: https://molaical.github.io 2.2. ²Ù×÷ʾÀýÎļþ ËùÓÐÓõ½µÄ²Ù×÷½Ì³ÌÎļþ¾ù¿ÉÔÚÏÂÃæµÄÍøÕ¾ÏÂÔØ£º https://github.com/MolAICal/tutorials/tree/master/010-pkdEnergy 3. ²Ù×÷Á÷³Ì תÖÁ¡°010-pkdEnergy¡±ÎļþĿ¼Ï£º #> cd tutorial\010-pkdEnergy ´ò¿ªÎļþ¡°INDEX_refined_data.2018¡± , ´ËÎļþÄÚÈÝÀ´×Ô PDBBind Êý¾Ý¿â, µÚËÄÀ¸±íʾ pKd»òÕß pKi£¬µÚÎåÀ¸±íʾKi »òKd¡£ 1) ÓÃpkd (pkd = -logKd »ò pki = -logKi) ¼ÆËã½áºÏ×ÔÓÉÄÜ, ʹÓÃĬÈÏζÈ: 298.15 K 2) ÓÃpkd (pkd = -logKd or pki = -logKi)¼ÆËã½áºÏ×ÔÓÉÄÜ£¬Ê¹ÓÃÖ¸¶¨Î¶ȡ£ 3) Óú¬Å¨¶Èµ¥Î»µÄKd»òKi¼ÆËã½áºÏ×ÔÓÉÄÜ£¬Ä¬Èϵ¥Î»ÎªM (mol/L) 4£©ÓÃKd»òKi¼ÆËã½áºÏ×ÔÓÉÄÜ£¬Å¨¶Èµ¥Î»ÉèΪpm ¸ü¶à¹ØÓÚ½áºÏ×ÔÓÉÄܼÆËãµÄÃèÊö£¬Çë²Î¿¼MolAICal˵Ã÷Êé¡£ ²Î¿¼ÎÄÏ× 1. Wang R, Fang X, Lu Y et al. The PDBbind database: collection of binding affinities for protein-ligand complexes with known three-dimensional structures, Journal of Medicinal Chemistry 2004;47:2977-2980. 2. Kim R, Skolnick J. Assessment of programs for ligand binding affinity prediction, J Comput Chem 2008;29:1316-1331. 3. Karney CF, Ferrara JE, Brunner S. Method for computing protein binding affinity, J Comput Chem 2005;26:243-251. |
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