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MolAICal

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ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì


¸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
±¾½Ì³Ì½éÉÜʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʰ뾶µÄ·½·¨¡£¹²·ÖΪÈý¸ö²¿·Ö£ºÄÉÃ׹ܰ뾶¼ÆË㣬µ°°×Öʿ׵À°ë¾¶¼ÆËãºÍëÄͨµÀ°ë¾¶µÄ¼ÆËã¡£×îºóÒ»¸ö½Ì³ÌÊÇëÄͨµÀ°ë¾¶µÄ²âÁ¿£¬Èô¹ûÄãÊìϤVMDºÍNAMD£¬¿ÉÒÔʹÓÃÓÉCHARMM Á¦³¡²úÉúµÄPDBºÍPSFÎļþÀ´²âÁ¿ëÄͨµÀµÄ°ë¾¶£¬µ±È»Ò²¿ÉÒÔֻʹÓÃëĶεÄPDBÎļþ½øÐÐëÄͨµÀ°ë¾¶µÄ²âÁ¿¡£

2.¹¤¾ß
2.1. ËùÐèÈí¼þÏÂÔØµØÖ·
1) MolAICal: https://molaical.github.io
2) VMD: https://www.ks.uiuc.edu/Research/vmd

2.2. ²Ù×÷ʾÀýÎļþ
ËùÓÐÓõ½µÄ²Ù×÷½Ì³ÌÎļþ¾ù¿ÉÔÚÏÂÃæµÄÍøÕ¾ÏÂÔØ£º
https://github.com/MolAICal/tutorials/tree/master/005-radiiCal

3. ²Ù×÷Á÷³Ì
3.1. ÄÉÃ׹ܰ뾶¼ÆËã
1) ÔÚVMDÈí¼þÖй¹½¨ÄÉÃ׹ܣºExtensions-->Modeling-->Nanotube Builder (Èçͼ1)¡£
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì
ͼ1. ¹¹½¨ÄÉÃ×¹Ü

2£©Ê¹ÓÃÀàËÆÍ¼1µÄ·½·¨´ò¿ªVMD Tk Console: Extensions-->Tk Console¡£ÔÚTk ConsoleÖÐʹÓÃcdÃüÁîÇл»µ½º¬ÓÐÎļþ¡°nanotube.pdb¡±ºÍ¡°parameter.dat¡±µÄĿ¼£¬ÀýÈ磺
#> cd d:/005-radiiCal/nanotube

3£©Ê¹ÓÃÈçÏÂÃüÁîÔÚTk ConsoleÖб£´æÉú³ÉµÄÄÉÃ×¹ÜÎļþ£¬²¢ÃüÃûΪ¡°nanotube.pdb¡±
CODE:
#> set all [atomselect top all]
#> $all writepdb nanotube.pdb

4) Ñ¡ÔñÒѹ¹½¨ÄÉÃ×¹ÜÄÚµÄÈÎÒâµã¡£Äã¿ÉÒÔÔÚÄÉÃ׹ܿ׵ÀÄÚ±íÃæÑ¡Ôñ2¸ö²»Í¬µÄÔ­×Ó£¬È»ºó½«ÕâÁ½¸öÔ­×ÓµÄÁ¬ÏßÖÐÐÄ×÷Ϊ¡°cpoint¡±¡£ÔÚ±¾½Ì³ÌÖУ¬Ñ¡ÔñµÄµã×ø±êΪ-0.2015 0.4185 30.147¡£´ò¿ª¡°005-radiiCal\nanotube¡±Îļþ¼ÐÖеġ°parameter.dat¡±£¬½«ÒÔÉÏËùÑ¡µã×ø±êÌí¼Óµ½¡°cpoint¡±¡£ È»ºó°´ÏÂÎÄËùʾÐÞ¸Ä ¡°vector¡±²ÎÊý£º
-----------------------------------------------------------------
cpoint        -0.2015 0.4185 30.147
vector        0.00 0.00 1.00
-----------------------------------------------------------------
¡°0.00 0.00 1.00¡± ±íÊ¾ÑØ×ÅZÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£¡°0.00 1.00 0.00¡± ±íÊ¾ÑØ×ÅYÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£¡°1.00 0.00 0.00¡± ±íÊ¾ÑØ×ÅXÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£ ͨµÀ¿É´óÖÂÑØÈÎÒâÖá·½Ïò·ÅÖ㬼´ºÍvectorµÄ·½Ïò´óÖÂÒ»Ö¡£

5) ÔÚWindows DOS»òLinux consoleÖÐÔËÐÐÈçÏÂÃüÁî¼ÆËã°ë¾¶£º
CODE:
#> molaical.exe -channel radii -cpp parameter.dat

ÃüÁîÔËÐлáÉú³É ¡°channel_radii.dat¡±, ¡°dot.vmd_plot¡± ºÍ¡°surf.vmd_plot¡±Îļþ¡£¡°dot.vmd_plot¡±ºÍ¡°surf.vmd_plot¡±¿Éͨ¹ýVMDÈí¼þչʾͨµÀ±í²ã¡£ÀàËÆÍ¼1µÄ·½Ê½´ò¿ªVMD Tk Console£º Extensions-->Tk Console¡£È»ºóÔËÐÐÒÔÏÂÃüÁî:
CODE:
#> source dot.vmd_plot

±¾½Ì³ÌÊ¡ÂÔÁËÄÉÃ׹ܿ¨Í¨Í¼µÄ×ö·¨£¬Äã¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄÆ«ºÃ×ÔÐÐÉèÖá£Ä㽫¿´µ½Èçͼ2ËùʾµÄͨµÀµãÇúÃæ£º
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì-1
ͼ2. ÄÉÃ×¹ÜͨµÀ±íÃæ

Îļþ ¡°channel_radii.dat¡± °üº¬ÁË·´Ó¦×ø±êºÍ°ë¾¶Öµ¡£Îļþ¡°channel_radii.dat¡±ÖеĵÚÒ»ÁÐÊÇ·´Ó¦×ø±ê£¬µÚ¶þÁÐÊǰ뾶ֵ¡£¿ÉÒÔʹÓà OriginLab, Microsoft ExcelµÈ¹¤¾ß½«Æä»æÖƳÉͼ¡£»æÖƽá¹ûÈçͼ3Ëùʾ:
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì-2
ͼ3. °ë¾¶¶Ô·´Ó¦×ø±ê×÷ͼ½á¹û

3.2. µ°°×¿×µÀ°ë¾¶¼ÆËã
תÖÁ½Ì³ÌËùÔÚĿ¼Ï£º
#> cd 005-radiiCal/KcsA

ÔÚµ°°×ͨµÀÖÐÑ¡ÔñÈÎÒâµã£¬È»ºóÔÚ²ÎÊýÎļþ¡°parameter.dat¡±ÖУ¬½«²ÎÊý¡°cpoint¡±ÉèÖóÉΪËùÑ¡µãµÄ×ø±ê¡£°´ÕÕÏÂÎÄËùʾÉèÖòÎÊý¡°cpoint¡±ºÍ ¡°vector¡±£º
-----------------------------------------------------------------
cpoint    0.001   0.006  1.927
vector    0.00 0.00 1.00
-----------------------------------------------------------------
¡°0.00 0.00 1.00¡± ±íÊ¾ÑØ×ÅZÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£¡°0.00 1.00 0.00¡± ±íÊ¾ÑØ×ÅYÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£¡°1.00 0.00 0.00¡± ±íÊ¾ÑØ×ÅXÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£Í¨µÀ¿É´óÖÂÑØÈÎÒâÖá·½Ïò·ÅÖ㬼´ºÍvectorµÄ·½Ïò´óÖÂÒ»Ö¡£

1£©ÔÚWindows DOS»òLinux consoleÖÐÔËÐÐÈçÏÂÃüÁî¼ÆËã°ë¾¶£º
CODE:
#> molaical.exe -channel radii -cpp parameter.dat

2£©±¾ÔËËãÒ²»áÉú³É¡°channel_radii.dat¡±, ¡°dot.vmd_plot¡± ºÍ ¡°surf.vmd_plot¡±Îļþ¡£ÀàËÆÍ¼1µÄ·½Ê½´ò¿ªVMD Tk Console£ºExtensions-->Tk Console¡£È»ºóÔËÐÐÒÔÏÂÃüÁî:
CODE:
#> mol load pdb KcsA.pdb   
#> source dot.vmd_plot

±¾½Ì³ÌÊ¡ÂÔÁ˵°°×¿¨Í¨Í¼µÄ×ö·¨£¬Äã¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄÆ«ºÃ×ÔÐÐÉèÖá£Ä㽫¿´µ½Í¼4ËùʾµãÇúÃæ£º
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì-3
ͼ4. µ°°×ͨµÀµÄµãÇúÃæ

Îļþ ¡°channel_radii.dat¡± °üº¬ÁË·´Ó¦×ø±êºÍ°ë¾¶Öµ¡£Îļþ¡°channel_radii.dat¡±ÖеĵÚÒ»ÁÐÊÇ·´Ó¦×ø±ê£¬µÚ¶þÁÐÊǰ뾶ֵ¡£¿ÉÒÔʹÓà OriginLab, Microsoft ExcelµÈ¹¤¾ß½«Æä»æÖƳÉͼ¡£°ë¾¶»æÖÆÈçͼ5Ëùʾ:
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì-4
ͼ5. °ë¾¶¶Ô·´Ó¦×ø±ê×÷ͼ½á¹û

×¢ÒâÊÂÏÎļþ¡°parameter.dat¡±ÖеIJÎÊý¡°conpar¡±ÊÇÒ»¸ö¿ØÖƲÎÊý£¬²ÎÊý¡°conpar¡±µÄĬÈÏÖµÊÇ0.15£¬ÆäÊýÖµµÄÔö¼Ó¿ÉÒÔÌáÉýËæ»ú²âÁ¿µÄ¸ÅÂÊ¡£ÔÚÕâÖÖÇé¿öÏ£¬ÓпÉÄܳöÏÖÒ»Ð©Ææ¹ÖµÄ²âÁ¿Â·Ïß¡£Èç¹ûÄãµÄµ°°×¿×µÀ±È½Ï¹æÔòÇÒ´óÖÂÑØ×ÅX, Y, ZÖáµÄijһ¸ö·½Ïò£¬Äã¿ÉÒÔ¼õÉÙ²ÎÊý¡°conpar¡±µÄÊýÖµ£¬±ÈÈçÉèÖóÉ0.04£¬µ«ÊDzÎÊý¡°conpar¡±²»ÄÜÉèÖóÉ0£¬ÕâÑùÄã¾ÍÄܵõ½½ÏΪ¹æÕûµÄ²âÁ¿Í¨µÀ¡£

3.3. °ë¾¶¼ÆËãµÄ¸ß¼¶½Ì³Ì
±¾²¿·ÖʾÀýÀûÓÃÓÉ CHARMM Á¦³¡²úÉúµÄPDBºÍPSFÎļþ¼ÆËã¶àëĿ׵À°ë¾¶¡£×ªÖÁ½Ì³ÌËùÔÚĿ¼£º
#> cd 005-radiiCal/GramicidinA

Ñ¡Ôñ¶àëĿ׵ÀÖеÄÈÎÒâµã¡£½«²ÎÊý¡°cpoint¡±ÉèÖÃΪËùÑ¡ÈÎÒâµãµÄ×ø±ê¡£°´ÕÕÏÂÎÄËùʾÉèÖòÎÊý¡°pdbpath¡±, ¡°psfpath¡±, ¡°cpoint¡± ºÍ ¡°vector¡± :
-----------------------------------------------------------------
pdbpath    1JNO.pdb
psfpath    1JNO.psf
cpoint    0.1625 -0.629 -1.838
vector    0.00 0.00 1.00
-----------------------------------------------------------------
¡°0.00 0.00 1.00¡± ±íÊ¾ÑØ×ÅZÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£¡°0.00 1.00 0.00¡± ±íÊ¾ÑØ×ÅYÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£¡°1.00 0.00 0.00¡± ±íÊ¾ÑØ×ÅXÖá·½ÏòµÄ°ë¾¶²âÁ¿¡£Í¨µÀÓ¦´óÖÂÑØÈÎÒâÖá·½Ïò·ÅÖ㬼´ºÍvectorµÄ·½Ïò´óÖÂÒ»Ö¡£

1£©ÔÚWindows DOS»òLinux consoleÖÐÔËÐÐÈçÏÂÃüÁî¼ÆËã°ë¾¶£º
CODE:
#> molaical.exe -channel radii -cpp parameter.dat -fc charmm

2£©±¾´ÎÔËËãÒ²»áÉú³É ¡°channel_radii.dat¡±, ¡°dot.vmd_plot¡± ºÍ ¡°surf.vmd_plot¡±Îļþ¡£ÀàËÆÍ¼1µÄ·½Ê½´ò¿ªVMD Tk Console£ºExtensions-->Tk Console¡£ÔËÐÐÒÔÏÂÃüÁî:
CODE:
#> mol load pdb 1JNO.pdb
#> source surf.vmd_plot

±¾½Ì³ÌÊ¡ÂÔÁ˶àëÄ¿¨Í¨Í¼µÄ×ö·¨£¬Äã¿ÉÒÔ¸ù¾Ý×Ô¼ºµÄÆ«ºÃ×ÔÐÐÉèÖá£Ä㽫¿´µ½Í¼6Ëùʾ¶àëÄͨµÀ (Èçͼ6Ëùʾ):
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì-5
ͼ6. ¶àëÄͨµÀ

Îļþ ¡°channel_radii.dat¡± °üº¬ÁË·´Ó¦×ø±êºÍ°ë¾¶Öµ¡£Îļþ¡°channel_radii.dat¡±ÖеĵÚÒ»ÁÐÊÇ·´Ó¦×ø±ê£¬µÚ¶þÁÐÊǰ뾶ֵ¡£¿ÉÒÔʹÓà OriginLab, Microsoft ExcelµÈ¹¤¾ß½«Æä»æÖƳÉͼ¡£°ë¾¶»æÖÆÈçͼ7Ëùʾ£º
ʹÓÃMolAICal¼ÆËãÄÉÃ׹ܺ͵°°×Öʿ׵À°ë¾¶µÄ½Ì³Ì-6
ͼ7. °ë¾¶¶Ô·´Ó¦×ø±ê×÷ͼ½á¹û
»Ø¸´´ËÂ¥

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