Methotrexate: Difference between revisions

From Proteopedia
Jump to navigationJump to search
No edit summary
No edit summary
Line 44: Line 44:




The nature of this binding has a 1000 fold increase in affinity relative to the natural folate affinity of DHFR, producing a practically irreversible inhibition of DHFR activity.  Methotrexate is a competitive inhibitor that can bind to and inhibit the <scene name='42/420816/Cv/6'>active site of human DHFR</scene> ([[1u72]]). The active site is buried within the enzyme as is depicted by the <scene name='Sandbox_58/Solvent_accessable_surface/1'>solvent accessable surface</scene> shown in orange at the entrance to the active site. The  
The nature of this binding has a 1000 fold increase in affinity relative to the natural folate affinity of DHFR, producing a practically irreversible inhibition of DHFR activity.  Methotrexate is a competitive inhibitor that can bind to and inhibit the <scene name='42/420816/Cv/6'>active site of human DHFR</scene> ([[1u72]]). The <scene name='42/420816/Cv/7'>active site is buried within the enzyme</scene>. The <scene name='Sandbox_58/Relative_temperature/1'>relative temperature</scene> are color depictions of each atom in regards to mobility or position uncertainty relative to the molecule, with increasing mobility as the color scheme goes from blue to red.
<scene name='Sandbox_58/Relative_temperature/1'>relative temperature</scene> are color depictions of each atom in regards to mobility or position uncertainty relative to the molecule, with increasing mobility as the color scheme goes from blue to red.