User:Michael Roberts/BIOL115 Myo: Difference between revisions
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This next view simplifies things, and just shows a <scene name='User:Michael_Roberts/BIOL115_Myo/Secondary_structure/9'>cartoon representation </scene>of the secondary structure of the protein. | This next view simplifies things, and just shows a <scene name='User:Michael_Roberts/BIOL115_Myo/Secondary_structure/9'>cartoon representation </scene>of the secondary structure of the protein. | ||
You see how the <scene name='User:Michael_Roberts/BIOL115_Myo/Hbonds/1'>hydrogen bonds</scene>that maintain the main secondary structure of the protein are arranged in this next view. | You see how the <scene name='User:Michael_Roberts/BIOL115_Myo/Hbonds/1'>hydrogen bonds</scene> that maintain the main secondary structure of the protein are arranged in this next view. | ||
'''THE GLOBIN FOLD''': | '''THE GLOBIN FOLD''': | ||
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'''PROXIMAL AND DISTAL HISTIDINES''': | '''PROXIMAL AND DISTAL HISTIDINES''': The iron atom sits either side of the side chains of two <scene name='User:Michael_Roberts/BIOL115_Myo/Heme/4'>histidine residues</scene>. | ||
The iron atom sits either side of the side chains of two <scene name='User:Michael_Roberts/BIOL115_Myo/Heme/4'>histidine residues</scene>. | |||
One of these (coloured cyan) is attached to the iron atom, and is known as the ''proximal'' histidine. The other (green) is called the ''distal'' histidine. | One of these (coloured cyan) is attached to the iron atom, and is known as the ''proximal'' histidine. The other (green) is called the ''distal'' histidine. | ||
'''OXYGEN''': | '''OXYGEN''': | ||
The space between the iron and the distal histidine is where the <scene name='User:Michael_Roberts/BIOL115_Myo/Heme/6'>oxygen </scene>binds. | The space between the iron and the distal histidine is where the <scene name='User:Michael_Roberts/BIOL115_Myo/Heme/6'>oxygen</scene> (pink) binds. | ||
</StructureSection> | </StructureSection> |