Lotem haleva/test page
From Proteopedia
(Difference between revisions)
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<StructureSection load='1y3v' size='340' side='right' caption='Trysine' scene=''> | <StructureSection load='1y3v' size='340' side='right' caption='Trysine' scene=''> | ||
This is a default text for your page '''Lotem haleva/test page'''. Click above on '''edit this page''' to modify. Be careful with the < and > signs. | This is a default text for your page '''Lotem haleva/test page'''. Click above on '''edit this page''' to modify. Be careful with the < and > signs. | ||
- | You may include any references to papers as in: the use of JSmol in Proteopedia <ref>DOI 10.1002/ijch.201300024</ref> or to the article describing Jmol <ref>PMID:21638687</ref> to the rescue. | ||
is a serine protease, found in the digestive system of many vertebrates, where it hydrolyses proteins<ref>doi:10.1016/0076-6879(94)44004-2</ref>. | is a serine protease, found in the digestive system of many vertebrates, where it hydrolyses proteins<ref>doi:10.1016/0076-6879(94)44004-2</ref>. | ||
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In the duodenum, trypsin catalyzes the hydrolysis of peptide bonds, breaking down proteins into smaller peptides. | In the duodenum, trypsin catalyzes the hydrolysis of peptide bonds, breaking down proteins into smaller peptides. | ||
- | The enzymatic mechanism is similar to that of other serine proteases. These enzymes contain a catalytic triad consisting of <scene name='60/607865/Active_site/2'>histidine-57, aspartate-102, and serine-195</scene>. These three residues form a charge relay that serves to make the active site serine nucleophilic | + | The enzymatic mechanism is similar to that of other serine proteases. These enzymes contain a catalytic triad consisting of <scene name='60/607865/Active_site/2'>histidine-57, aspartate-102, and serine-195</scene>. These three residues form a charge relay that serves to make the active site serine nucleophilic. |
+ | |||
+ | Trypsin contains an "oxyanion hole" formed by the backbone amide hydrogen atoms of <scene name='60/607865/Oxyanion_hole/1'>Gly-193 and Ser-195</scene> , which serves to stabilize the developing negative charge on the carbonyl oxygen atom of the cleaved amides. | ||
== Disease == | == Disease == | ||
Revision as of 10:00, 23 November 2014
Your Heading Here (maybe something like 'Structure')
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References
- ↑ Rawlings ND, Barrett AJ. Families of serine peptidases. Methods Enzymol. 1994;244:19-61. doi: 10.1016/0076-6879(94)44004-2. PMID:7845208 doi:http://dx.doi.org/10.1016/0076-6879(94)44004-2