1sui: Difference between revisions

[[Image:1sui.gif|left|200px]]<br /><applet load="1sui" size="350" color="white" frame="true" align="right" spinBox="true"  

Caffeoyl coenzyme A 3-O-methyltransferases (CCoAOMTs) are S-adenosyl-l-methionine-dependent O-methyltransferases (OMTs) involved in lignin biosynthesis. Plant CCoAOMTs belong to a distinct family of OMTs, more closely related to the mammalian catechol OMTs than to other plant OMTs. The crystal structure of alfalfa (Medicago sativa) CCoAOMT in complex with the reaction products S-adenosine-l-homocysteine and feruloyl/sinapoyl CoAs presented here belong to a structurally and mechanistically distinct family of plant small molecule OMTs. These structures provide a new understanding of the substrate preferences and the catalytic mechanism accompanying CCoAOMT-mediated O-methylation of CoA-linked phenylpropanoid substrates.

1SUI is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Medicago_sativa Medicago sativa] with <scene name='pdbligand=CA:'>CA</scene>, <scene name='pdbligand=SAH:'>SAH</scene> and <scene name='pdbligand=FRE:'>FRE</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Caffeoyl-CoA_O-methyltransferase Caffeoyl-CoA O-methyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.104 2.1.1.104] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SUI OCA].  

[[Category: Dixon, R A.]]

[[Category: Ferrer, J L.]]

[[Category: Noel, J P.]]

''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 15:05:19 2008''