home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Datafile PD-CD 5
/
DATAFILE_PDCD5.iso
/
rasmol
/
scipts
/
antibody
/
!Antibody
/
PEP4_SCR
< prev
next >
Wrap
Text File
|
1996-03-03
|
2KB
|
85 lines
zap
load pdb "b27pep4.PDB"
reset
set hourglass on
rotate z -13
rotate y 37
rotate x 130
zoom 200
# 1-AA backbone only
restrict ala and not atomno=1907
wireframe 0.15
script clrleg.scr
echo This is the backbone of 1 amino acid (AA).
pause
# 3-AA backbone
restrict ((ala or lys or ile) and backbone) or hydrogen
wireframe 0.15
script clrleg.scr
echo Here is the backbone of a tripeptide (3 AA's).
echo No side groups are shown, and most hydrogens are omitted.
pause
# tri-alanine
restrict selected or atomno=1907 or atomno=1894 or atomno=1913
wireframe 0.15
script clrleg.scr
echo Now each AA has a 1-carbon side group, so we have
echo . Ala Ala Ala (tri-alanine)
script wave.scr
pause
restrict selected or lys
wireframe 0.15
script clrleg.scr
echo Adding an NH3 to a carbon chain on the 1st AA gives
echo . Lys Ala Ala
pause
restrict selected or ile
wireframe 0.15
script clrleg.scr
echo Adding two carbons to the 3rd AA gives isoleucine:
echo . Lys Ala Ile
pause
restrict selected or thr
wireframe 0.15
script clrleg.scr
echo The 4th AA is threonine with its hydroxyl, giving
echo . Lys Ala Ile Thr
script wave.scr
pause
spacefill
echo Here is the shape of the tetrapeptide.
pause
zoom 100
echo This is a good size for rotating the tetrapeptide.
script wave.scr
pause
zoom 200
spacefill off
backbone 0.1
color backbone green
script clrleg.scr
echo The stick representation has too much detail for larger
echo proteins. The alpha-carbons are connected with a line
echo called the BACKBONE trace.
script wave.scr
pause
wireframe off
script clrleg.scr
echo Showing only the backbone makes it easier to see the
echo secondary and tertiary structure of a protein.
script wave.scr
pause
wireframe 0.15
pause