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The Datafile PD-CD 5
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DATAFILE_PDCD5.iso
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rasmol
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scipts
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hemoglob
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!Hemoglob
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HB-TET_SCR
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Text File
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1996-02-25
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1KB
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57 lines
zap
load "2hhd.pdb"
wireframe off
select protein
spacefill
color chain
select hem
spacefill
color red
#there are two sulfates and many waters not shown
select iron
color cpk #orange
script clrleg.scr
echo THE HEMOGLOBIN MOLECULE IS MADE UP OF FOUR POLYPEPTIDE CHAINS,
echo NONCOVALENTLY BOUND TO EACH OTHER. THERE ARE FOUR HEME GROUPS
echo CONTAINING IRON (RED).
pause
zoom 50
script x90-3.scr
pause
zoom 100
pause
select protein
spacefill off
backbone 0.5
script clrleg.scr
echo EACH CHAIN HOLDS A HEME GROUP CONTAINING ONE Fe++ ATOM (ORANGE).
echo THE HEMES ARE COLORED RED BECAUSE THEY GIVE HEMOGLOBIN ITS RED COLOR.
pause
script y-90-3.scr
pause
backbone off
pause
select hem
color cpk
script clrleg.scr
echo NOW THE HEMES HAVE BEEN COLORED BY ELEMENT:
echo CARBON=GRAY, NITROGEN=BLUE, OXYGEN=RED, IRON=ORANGE.
echo (HYDROGENS ARE NOT RESOLVED BY X-RAY CRYSTALLOGRAPHY,
echo FROM WHICH THIS STRUCTURE WAS OBTAINED.)
pause
script x90-2.scr
pause