User:Remig/plico/plicoCommon
< User:Remig | plico
Jump to navigation
Jump to search
This script contains routines used by other scripts of the Plico suite. It must be located in the same directory as any script that uses these routines.
Copy and paste the following into a text editor and save in your scripts folder as plicoCommon.spt.
# plicoCommon - Jmol script by Ron Mignery
# v1.8 beta 7/13/2015 -add double-bond routine
#
# Routines and values common to all Plico suite scripts
# Must be present in the same directory as other Plico scripts that use it
kCommon = 5
kDtolerance = 0.1
kAtolerance = 5.0
kCtolerance = 1.85
kMtolerance = 0.8
gMouseX = 0
gMouseY = 0
gMinNo = 1
gMaxNo = 9999
gOK = true # global return value to work around jmol *feature*
gOk2 = true # " "
gScheme = "Jmol"
gAltScheme = "Rasmol"
gBusy = false
# Return L tetrahedron point if i1<i2<i3, else R point
function get_tet_idx(i1, i2, i3, dist) {
var v1 = {atomIndex=i3}.xyz - {atomIndex=i2}.xyz
var v2 = {atomIndex=i1}.xyz - {atomIndex=i2}.xyz
var axis = cross(v1, v2)
var pma = ({atomIndex=i1}.xyz + {atomIndex=i3}.xyz)/2
var pmo = {atomIndex=i2}.xyz + {atomIndex=i2}.xyz - pma
var pt = pmo + (axis/axis)
var v = pt - {atomIndex=i2}.xyz
var cdist = distance(pt, {atomIndex=i2})
var factor = (dist/cdist)
var lpt = v * factor
return lpt + {atomIndex=i2}.xyz
}
# Work around - Functions returning values must be in lower case for 14.0.13
function get_trigonal_idx(i1, i2, i3, dist) {
var v1 = {atomIndex=i1}.xyz - {atomIndex=i2}.xyz
var v2 = {atomIndex=i3}.xyz - {atomIndex=i2}.xyz
var pt = {atomIndex=i2}.xyz - (v1 + v2)
var v = pt - {atomIndex=i2}.xyz
var cdist = distance(pt, {atomIndex=i2})
var factor = (dist/cdist)
var lpt = (v * factor)
return lpt + {atomIndex=i2}.xyz
}
function abs( x) {
return ((x < 0) ? -x : x)
}
# Selected must include second parameter but not the first
function set_distance_atoms( static, mobile, desired) {
try {
var v = mobile.xyz - static.xyz
var dist = distance(static, mobile)
translateSelected @{((v * (desired/dist)) - v)}
}
catch {
}
}
function set_distance_idx( staticIdx, mobileIdx, desired) {
set_distance_atoms({atomIndex=staticIdx}, {atomIndex=mobileIdx}, desired)
}
# Selected must include third parameter but not the first
function set_angle_atoms( stator, pivot, rotor, toangle) {
try {
var v1=stator.xyz - pivot.xyz
var v2=rotor.xyz - pivot.xyz
var axis = cross(v1, v2) + pivot.xyz
var curangle = angle(stator, pivot, rotor)
rotateselected @axis @pivot @{curangle-toangle}
}
catch {
}
}
function set_angle_idx( statorIdx, pivotIdx, rotorIdx, toangle) {
set_angle_atoms({atomIndex=statorIdx}, {atomIndex=pivotIdx},
{atomIndex=rotorIdx}, toangle)
}
# Selected must include fourth parameter but not the first
function set_dihedral_atoms( stator, pivot1, pivot2, rotor, toangle) {
try {
var curangle = angle(stator, pivot1, pivot2, rotor)
rotateselected {pivot2} {pivot1} @{curangle-toangle}
}
catch {
}
}
function set_dihedral_idx( statorIdx, pivot1idx, pivot2idx, rotorIdx, toangle) {
set_dihedral_atoms({atomIndex = statorIdx}, {atomIndex = pivot1idx},
{atomIndex = pivot2idx}, {atomIndex = rotorIdx}, toangle)
}
function angle_idx_4( a1idx, a2idx, a3idx, a4idx) {
return angle({atomIndex=a1idx}, {atomIndex=a2idx},
{atomIndex=a3idx}, {atomIndex=a4idx})
}
# First and last are BB atoms
# Any side atoms in the range are also selected
function select_nward_idx (firstIdx, lastIdx) {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
var firstno = ((firstIdx < 0) ? {atomIndex=lastIdx}.atomno : {atomIndex=firstIdx}.atomno)
var lastno = ((lastIdx < 0) ? firstno : {atomIndex=lastIdx}.atomno)
var iChain = ((firstIdx < 0)
? {atomIndex=lastIdx}.chain : {atomIndex=firstIdx}.chain)
select ((atomno <= firstno) and (atomno >= lastno) and (chain = iChain)
and (file=f) and (model=m))
if ({(atomno=firstno) and (chain=gChain)
and (file=f) and (model=m)}.atomName == "C") { # if psi
add_sc_to_select(firstno-1, true, true, iChain)
var a = {(atomno=@{firstno+1}) and (chain=iChain) and (file=f) and (model=m)}
a.selected = true # add O
}
if ({(atomno=firstno) and (chain=iChain)
and (file=f) and (model=m)}.atomName == "CA") {
add_sc_to_select(firstno, true, false, iChain)
}
if ({(atomno=lastno) and (chain=iChain)
and (file=f) and (model=m)}.atomName == "C") { # if psi
add_sc_to_select(lastno-1, false, false, iChain)
}
}
# First and last are BB atoms
# Any side atoms in the range are also selected
function select_cward_idx (firstIdx, lastIdx) {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
var firstno = ((firstIdx < 0) ? gMaxNo : {atomIndex=firstIdx}.atomno)
var lastno = ((lastIdx < 0) ? 1 : {atomIndex=lastIdx}.atomno)
var iChain = ((firstIdx < 0)
? {atomIndex=lastIdx}.chain : {atomIndex=firstIdx}.chain)
# If nWard anchor in range, begin selection with it
if ((gNanchorIdx >= 0) and ({atomIndex=gNanchorIdx}.chain == iChain)) {
var aNo = {atomIndex=gNanchorIdx}.atomno
if (aNo > firstNo) {
firstno = aNo
}
}
# If cWard anchor in range, end selection with it
if ((gCanchorIdx >= 0) and ({atomIndex=gCanchorIdx}.chain == iChain)) {
var aNo = {atomIndex=gCanchorIdx}.atomno
if (aNo < lastNo) {
lastno = aNo
}
}
select ((atomno >= firstno) and (atomno <= lastno) and (chain = iChain)
and (file=f) and (model=m))
if ({(atomno=firstno) and (chain=iChain)
and (file=f) and (model=m)}.atomName == "C") { # if psi
add_sc_to_select(firstno-1, false, false, iChain)
}
if ({(atomno=lastno) and (chain=iChain)
and (file=f) and (model=m)}.atomName == "CA") {
add_sc_to_select(lastno, true, false, iChain)
}
if ({(atomno=lastno) and (chain=iChain)
and (file=f) and (model=m)}.atomName == "C") { # if psi
add_sc_to_select(lastno-1, true, true, iChain)
var a = {(atomno=@{lastno+1}) and (chain=iChain) and (file=f) and (model=m)}
a.selected = true # add O
}
}
function count_collisions(rc) {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
var cAtoms = ({})
for (var idx = {(file=f) and (model=m)}.min.atomIndex;
idx <= {(file=f) and (model=m)}.max.atomIndex; idx++) {
if ({atomIndex=idx}.size > 0) {
var lcAtoms = (within(kCtolerance, false, {atomIndex=idx})
and {atomIndex > idx}
and not {rc}
and not connected({atomIndex=idx}))
if (lcAtoms.size > 0) {
cAtoms = cAtoms or lcAtoms or {atomIndex=idx}
if (rc == true) {
print format("Collision of idx=%d with %s", idx, lcAtoms)
for (var i = 1; i <= lcAtoms.size; i++) {
measure {atomindex=idx} ({@lcAtoms[i]})
}
}
}
}
}
return cAtoms
}
function is_collision_in_select() {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
is = false
var cAtoms = ({})
var iChain = {selected}.chain
for (var no = {selected}.min.atomno; no <= {selected}.max.atomno; no++) {
a = {(atomno=no) and (chain=iChain) and (file=f) and (model=m)}
if (a.size > 0) {
is = true
break
}
}
return is
}
# A handy debug routine
function cc {
print count_collisions(true)
}
# Utility
function get_atom_rcn( iResno, iChain, iName) {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
return {(resno=iResno) and (chain=iChain) and (atomName=iName)
and (file=f) and (model=m)}
}
# Utility
function atom_noc( iNo, iChain) {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
return {(atomno=iNo) and (chain=iChain) and (atomName=iName)
and (file=f) and (model=m)}
}
# A handy debug routine
function hi {
hover "%D %U"
}
function plico_prelim(repair) {
# Push selected
gSelSaves = {selected}
var f = (_frameID/1000000)
var m = (_frameID%1000000)
select ((file=f) and (model=m))
# Bad idea to proceed when collisions present
while (repair) {
var cc = count_collisions(({})).size
if (cc > 0) {
var p = prompt(format("%d collision%s present!\nProceed anyway?",
cc, ((cc > 1) ? "s" : "")), "OK|Cancel|Repair", true)
if (p == "Cancel") {
quit
}
else if (p == "Repair") {
select ((file=f) and (model=m))
allSet = {selected}
gChain = "XX"
for (var idx = {allSet}.atomIndex.min;
idx <= {allSet}.atomIndex.max; idx++) {
if ({atomIndex=idx}.chain != gChain) {
gChain = {atomIndex=idx}.chain
select {(chain=gChain) and (file=f) and (model=m)}
handle_collisions( idx)
}
}
}
else {
break
}
}
else {
break
}
} # endwhile
gZoom = script("show zoom")
gRotate = script("show rotation")
write tugsave.pdb
select none
gScheme = defaultColorScheme
gAltScheme = ((gScheme == "jmol") ? "rasmol" : "jmol")
set echo TOP LEFT
background ECHO yellow
gChain = ""
unbind
}
# gPlicoRecord is maintained by the macro pilcoRecord
function plico_record(s) {
var g = format("show file \"%s\"", gPlicoRecord)
var ls = script(g)
if (ls.find("FileNotFoundException")) {
ls = ""
}
ls += s
write var ls @gPlicoRecord
}
function plico_exit() {
var p = ""
var done = false
if (gPlico.size > 0) {
p = prompt(format("Exit %s?", gPlico), "Yes|No|Undo", true)
if (p == "Undo") {
load tugsave.pdb
script inline gZoom
rotate @gRotate
echo Tug session undone
if (gPlicoRecord != "") {
plico_record("load tugsave.pdb;")
}
}
}
if (p != "No") {
unbind
halo off
echo
var f = (_frameID/1000000)
var m = (_frameID%1000000)
select ((file=f) and (model=m))
halo off
star off
color {selected} @gScheme
draw gSCcircle DELETE
gBusy = false
background ECHO yellow
done = true
# Pop selected
select gSelSaves
}
return done
}
function plot_o_rot( iChain) {
var f = (_frameID/1000000)
var m = (_frameID%1000000)
select none
var first = true
var aNp = ({})
var aCAp = ({})
var aCp = ({})
for (var i = {(chain=iChain) and (file=f) and (model=m)}.resno.min;
i <= {(chain=iChain) and (file=f) and (model=m)}.resno.max; i++) {
var aN = get_atom_rcn(i, iChain, "N")
var aCA = get_atom_rcn(i, iChain, "CA")
var aC = get_atom_rcn(i, iChain, "C")
if (first) {
first = false
}
else {
aN.vx = angle(aCp, aN, aCA, aC)
aN.vy = angle(aNp, aCAp, aCp, aN)
select ADD aN
}
aNp = aN
aCAp = aCA
aCp = aC
}
plot properties vx vy resno
set echo top left
echo "vx = phi vy = previous psi"
}
# Prevents minimization from disrespecting planar elements
function double_bond_planars(iChain, undo) {
for (var i = {chain=iChain}.resno.min; i <= {chain=iChain}.resno.max; i++) {
var aa = {resno=i}.group[0]
var bps = []
switch (aa) {
case 'TYR' :
case 'PHE' :
bps = ["CG","CD1","CD2","CE2","CE1","CZ"]
break
case 'HIS' :
bps = ["CG","CD2","CE1","NE2"]
break
case 'TRP' :
bps = ["CG","CD1","CD2","CE2","CE3","CZ3","CZ2","CH2"]
break
case 'GLU' :
case 'GLN' :
bps = ["OE1","CD"]
break
case 'ASP' :
case 'ASN' :
bps = ["OD1","CG"]
break
case 'A' :
case 'G' :
case 'DA' :
case 'DG' :
bps = ["N7","C8","C4","C5","N3","C2", ((aa = "A") ? "N1" : "O6"), "C6"]
break
case 'C' :
case 'U' :
case 'T' :
case 'DC' :
case 'DT' :
case 'DU' :
bps = ["C5","C6","C2","O2","C4","CZ",((aa = "C") ? "N3" : "O4")]
break
}
for (var j = 1; j <= bps.size; j += 2) {
var a1 = get_atom_rcn( i, iChain, bps[j])
var a2 = get_atom_rcn( i, iChain, bps[j+1])
#var a2 = {(resno=i) and (chain=iChain) and atomname=@{bps[j+1]}}
if (undo) {
connect @a1 @a2 single
}
else {
connect @a1 @a2 double
}
}
var a1 = get_atom_rcn({chain=iChain}.resno.max, iChain, "O")
var a2 = get_atom_rcn({chain=iChain}.resno.max, iChain, "C")
if (undo) {
connect @a1 @a2 single
}
else {
connect @a1 @a2 double
}
}
}
# end of plicocommon.spt
# end of plicocommon.spt
