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Éú³É½øÍ¨µÀÖк¬Ë®·Ö×ÓµÄpdbÎļþ£º 1. ͨ¹ývmdÏÈÕÒµ½Í¨µÀÖеÄË®·Ö×Ó£¬»ñÈ¡ËüÃǵıàºÅ 2. È»ºóÉú³ÉÕâЩˮ·Ö×ÓµÄpdbÎļþ£¨Àý×Ó£©£º mol load pdb 1YMG.pdb set model [atomselect top "water and (resid 411 or resid 415 or resid 455 or resid 426 or resid 407 or resid 426)"] $model writepdb wat.pdb exit 3. Éú³Éµ°°×µÄpdbÎļþ£º mol load pdb 1YMG.pdb set model [atomselect top protein] $model writepdb 1ymg.pdb exit 4. ºÏ²¢wat.pdb Óë1ymg.pdb ÕâÒ»²½²»ÓÃд½Å±¾£¬Ö±½Ó°Ñwat.pdbµÄÄÚÈÝ£¨¼´È¥Í·È¥Î²£©¿½±´µ½1ymg.pdbµÄENDǰ¼´¿É¡£ 5. over¡£ ¹¹½¨ËľÛÌå(buildtetra.tcl): mol load pdb 1ymg.pdb set all [atomselect top all] $all set segname A $all writepdb AQP1-A.pdb $all delete set sel [atomselect top all] $sel set segname B $sel move {{-1.0 0.0 0.0 0.0} {0.0 -1.0 0.0 110.531} {0.0 0.0 1.0 0.0} {0.0 0.0 0.0 1.0}} $sel writepdb AQP1-B.pdb $sel delete mol delete top mol load pdb 1ymg.pdb set sel [atomselect top all] $sel set segname C $sel move {{0.0 -1.0 0.0 55.2655} {1.0 0.0 0.0 55.2655} {0.0 0.0 1.0 0.0} {0.0 0.0 0.0 1.0}} $sel writepdb AQP1-C.pdb $sel delete mol delete top mol load pdb 1ymg.pdb set sel [atomselect top all] $sel set segname D $sel move {{0.0 1.0 0.0 -55.2655} {-1.0 0.0 0.0 55.2655} {0.0 0.0 1.0 0.0} {0.0 0.0 0.0 1.0}} $sel writepdb AQP1-D.pdb $sel delete cat AQP1-A.pdb AQP1-B.pdb AQP1-C.pdb AQP1-D.pdb > AQP1.pdb È»ºó´ò¿ªAQP1.pdb,ËÑË÷END,°ÑÖмäµÄÈý¸öEND¼°ÏàÓ¦µÄÔÓÏîÈ¥µô£¬±£´æÎªAQP1-ALL.pdb¡£´Ëʱ¾ÍÉú³ÉÁËËľÛÌåpdbÎļþ¡£ ½øÐÐpsfÉú³ÉǰµÄÎļþ×¼±¸(prepfiles.tcl)£º mol load pdb AQP1-ALL.pdb foreach S {A B C D} { set seg [atomselect top "segname $S and chain A"] $seg writepdb seg$S.pdb $seg delete } foreach S {A B C D} { set wat [atomselect top "segname $S and resname HOH and within 100 of chain A"] $wat writepdb crystwat$S.pdb $wat delete } exit ²úÉúpsfÎļþ£¨build.psf£©: package require psfgen topology ../top_all27_prot_lipid.rtf pdbalias residues HIS HSE pdbalias atom ILE CD1 CD pdbalias atom HOH O OH2 pdbalias resid HOH TIP3 foreach S {A B C D} { segment $S { pdb seg$S.pdb } coordpdb seg$S.pdb $S regenerate angles dihedrals segment WC$S { auto none pdb crystwat$S.pdb } coordpdb crystwat$S.pdb WC$S } guesscoord writepdb aqp1.pdb writepdb aqp1.psf exit solvating¹ý³Ì£º ÏȼÓÔØÉÏÒ»²½²úÉúµÄpsf pdbÎļþ£¬È»ºó set sel [atomselect top all] measure minmax $sel solvate -t 3 -minmax {ÉÏÒ»²½µÃµ½µÄÖµ} -o solaqp1 È»ºóдmake_solv.tcl½Å±¾£º set sol_infile solaqp1.pdb set aqp1_inbase aqp1 set outbase aqp1_solv_raw package require psfgen resetpsf readpsf solaqp1.psf coordpdb solaqp1.pdb readpsf ${aqp1_inbase}.psf coordpdb ${aqp1_inbase}.pdb writepdb ${outbase}.pdb writepsf ${outbase}.psf exit ¹À²âËùÐèĤ³ß´ç£º ÏȰÑÎÒ¼ÓË®²¢ÔËÐйýmake_solv.tclËù²úÉúµÄpsf pdb¼ÓÔØ£¬È»ºóÔÙ set all [atomselect top all] measure $all minmax [][] È»ºóx2-x1 y2-y1 ½«µ°°×µÄÖØÐĺÍË®ºÐ×ÓµÄÖØÐÄÖØºÏ£º mol load psf aqp1_solv_raw.psf pdb aqp1_solv_raw.pdb set all [atomselect top all] $all moveby [vecinvert [measure center $all]] display resetview È»ºó¹À²âɾ³ýË®µÄÖµ£º ½«Ä¤µÄpsf pdb¼ÓÔØ£¬È»ºó set sel [atomselect top lipid] measure minmax $sel Ñ¡Ôñz2 µÄÕûÊýÖµ:25 È»ºó£º set solv [atomselect top "segname SOLV"] $solv set beta 1 set seltext "segname SOLV and same residue as ((z < -25) or (z > 25))" set sel [atomselect top $seltext] $sel set beta 0 set badwater [atomselect top "name OH2 and beta > 0"] set seglist [$badwater get segid] set reslist [$badwater get resid] mol delete all package require psfgen resetpsf topology ../top_all27_prot_lipid.rtf readpsf aqp1_solv_raw.psf coorpdb aqp1_solv_raw.pdb foreach segid $seglist resid $reslist { delatom $segid $resid } writepdb aqp1_solv.pdb writepsf aqp1_solv.psf ³öÏÖµÄÎÊÌ⣺ Ñ¡ÔñÐèҪȥµôµÄË®·Ö×Ó£¬¸ù±¾È¥²»µô¡£ÎÒÒ²ÖªµÀÒ»²¿·ÖÔÒò£ºÒòΪÎÒÔÚmake_solv.tcl½Å±¾ÖаÑsegment SOLVÄÇÒ»¶Î¸øÉ¾³ýÁË£¬Ó¦¸Ã»¹ÓÐÆäËûµÄÔÒò¡£ÎÒÏÖÔÚ°ÑÓÐË®ºÐ×ÓµÄpdb¼°make_solv.tclËù²úÉúµÄpdb´«ÉÏÀ´£¬´ó¼Ò°ïæ·ÖÎöһϡ£ÏÈллÁË http://u.115.com/?ct=index&a ... d=1&cid=2023017 Õâ¸öÁ´½ÓµÄÓû§Ãû£ºtonme ÃÜÂ룺002725 [ Last edited by nufang19a on 2011-2-28 at 11:47 ] |
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nufang19a
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ghcacj(½ð±Ò+10): LZÒ»¹áϲ»¶×Ôµ¯×Ô³ª£¬ºÇºÇ£¬Ð»Ð»·ÖÏí½â¾ö·½·¨¡£ 2011-02-28 13:52:38
ghcacj(½ð±Ò+10): LZÒ»¹áϲ»¶×Ôµ¯×Ô³ª£¬ºÇºÇ£¬Ð»Ð»·ÖÏí½â¾ö·½·¨¡£ 2011-02-28 13:52:38
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9Â¥2011-02-28 11:46:37
wally8962
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zh1987hs(½ð±Ò+4): лл£¡ 2011-02-26 22:47:39
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zh1987hs(½ð±Ò+4): лл£¡ 2011-02-26 22:47:39
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"cat AQP1-A.pdb AQP1-B.pdb AQP1-C.pdb AQP1-D.pdb > AQP1.pdb È»ºó´ò¿ªAQP1.pdb,ËÑË÷END,°ÑÖмäµÄÈý¸öEND¼°ÏàÓ¦µÄÔÓÏîÈ¥µô£¬±£´æÎªAQP1-ALL.pdb¡£´Ëʱ¾ÍÉú³ÉÁËËľÛÌåpdbÎļþ¡£" Õâ¸ö²½ÖèÊǶàÓàµÄ£¬ºóÃæ¸ù±¾Óò»µ½Õâ¸öËľÛÌ壬ֱ½ÓÓÃÇ°ÃæµÄµ¥Ìå¾ÍÐÐÁË¡£ ÄãÏëÈ¥µô¿×µÀÖеÄË®·Ö×Ó£¿ÄǾ§ÌåÖеÄË®·Ö×Ó¿ÉÒÔÒ»¸ö¶¼²»ÓᣠºóÃæ¿×µÀÖеÄË®·Ö×ӺܿÉÄÜÊÇÄãsolvateʱ¼Ó½øÈ¥µÄ¡£¿ÉÒÔÓÃ-bµ÷ÕûË®·Ö×Ӿ൰°×µÄ¾àÀëÀ´¿ØÖƼÓÈëµÄË®·Ö×Ó¡£ ¸ü¼òµ¥µÄ£¬ÔÚvmdÖУ¬°´Êý×Ö¼ü¡°6¡±£¬Êó±ê±ä³ÉÍÏ߮ģʽ£¬Ö±½Ó°ÑË®·Ö×ÓÍϳöÀ´£¬ÔÙ±£´æpdb [ Last edited by wally8962 on 2011-2-26 at 18:36 ] |
2Â¥2011-02-26 18:35:41
nufang19a
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3Â¥2011-02-26 22:51:05
nufang19a
½ð³æ (ÕýʽдÊÖ)
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ÄѵÀ¸úNAMD tutorial×îºóÃæµÄÕâÒ»¶ÎÓйأº ### Solvate the molecule in a water box with enough padding (15 A). ### One could alternatively align the molecule such that the vector ### from the center of mass to the farthest atom is aligned with an axis, ### and then use no padding package require solvate solvate ${molname}.psf ${molname}.pdb -t 15 -o del_water resetpsf package require psfgen mol new del_water.psf mol addfile del_water.pdb readpsf del_water.psf coordpdb del_water.pdb ### Determine which water molecules need to be deleted and use a for loop ### to delete them set wat [atomselect top "same residue as {water and ((x-$x1)*(x-$x1) + (y-$y1)*(y-$y1) + (z-$z1)*(z-$z1))<($max*$max)}"] set del [atomselect top "water and not same residue as {water and ((x-$x1)*(x-$x1) + (y-$y1)*(y-$y1) + (z-$z1)*(z-$z1))<($max*$max)}"] set seg [$del get segid] set res [$del get resid] set name [$del get name] for {set i 0} {$i < [llength $seg]} {incr i} { delatom [lindex $seg $i] [lindex $res $i] [lindex $name $i] } writepsf ${molname}_ws.psf writepdb ${molname}_ws.pdb mol delete top mol new ${molname}_ws.psf mol addfile ${molname}_ws.pdb puts "CENTER OF MASS OF SPHERE IS: [measure center [atomselect top all] weight mass]" puts "RADIUS OF SPHERE IS: $max" mol delete top |
4Â¥2011-02-27 00:24:45














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