Cruzain: Difference between revisions

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<StructureSection load='1me3' size='400' side='right' caption='Structure of cruzain complex with methylketone inhibitor (PDB entry [[1me3]])' scene=''>
<StructureSection load='1me3' size='350' side='right' caption='Structure of cruzain catalytic domain complex with methylketone inhibitor (PDB entry [[1me3]])' scene='51/517378/Cv/1'>


'''Cruzain''' (Cru) is the major cysteine protease present in ''Trypanosoma cruzi'' which is the parasite causing Chagas disease.  
'''Cruzain''' or '''cruzipain''' (Cru) is the major cysteine protease present in ''Trypanosoma cruzi'' which is the parasite causing Chagas disease. <ref>PMID:10997902</ref>


== Relevance ==
Cru inhibitors are being investigated for therapeutic use against Chagas disease.
== Structural highlights ==
<scene name='51/517378/Cv/5'>Cru catalytic triad is Cys-His-Asn</scene> and <scene name='51/517378/Cv/6'>whole binding site</scene> ([[1me3]]).<ref>PMID:12467703</ref>
</StructureSection>
==3D structures of cruzain==
==3D structures of cruzain==


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}


[[1aim]], [[2aim]], [[1me3]], [[1me4]] –  Cru catalytic domain + methylketone inhibitor – ''Trypanosoma cruzi''<br />
[[6n3s]] - TcCru catalytic domain 123-337 - ''Trypanosoma cruzi'' <br />
[[1f29]], [[1f2a]], [[1f2b]], [[1f2c]], [[1ewo]], [[3lxs]] - Cru catalytic domain + vinyl sulfone derived inhibitor<br />
[[1aim]], [[2aim]], [[1me3]], [[1me4]], [[3iut]] –  TcCru catalytic domain + methylketone inhibitor<br />
[[1ewl]], [[1ewm]] – Cru catalytic domain + methylbutane inhibitor<br />
[[1f29]], [[1f2a]], [[1f2b]], [[1f2c]], [[1ewo]], [[2oz2]], [[3hd3]], [[3lxs]], [[6ux6]] - TcCru catalytic domain + vinyl sulfone derived inhibitor<br />
[[1ewp]] - Cru catalytic domain + MOR-Leu-HPQ<br />
[[1ewl]], [[1ewm]] – TcCru catalytic domain + methylbutane inhibitor<br />
[[1u9q]], [[3i06]], [[3kku]], [[4klb]], [[4pi3]], [[4qh6]], [[4w5b]], [[4w5c]], [[4xui]], [[6o2x]] - TcCru catalytic domain + inhibitor<br />
[[1ewp]] - TcCru catalytic domain + MOR-Leu-HPQ<br />
[[4w5b]], [[4xui]], [[4qh6]], [[4pi3]], [[4klb]], [[3kku]], [[3i06]], [[2oz2]], [[1u9q]] – TcCru + inhibitor <br />
[[4w5c]], [[3iut]], [[3hd3]] – TcCru (mutant) + inhibitor <br />
[[7juj]], [[7s18]], [[7s19]] - TcCru catalytic domain + gallinamide derivative<br />
== References ==
<references/>


</StructureSection>


[[Category:Topic Page]]
[[Category:Topic Page]]

Latest revision as of 12:52, 30 November 2022


Cruzain or cruzipain (Cru) is the major cysteine protease present in Trypanosoma cruzi which is the parasite causing Chagas disease. [1]

Relevance

Cru inhibitors are being investigated for therapeutic use against Chagas disease.

Structural highlights

and (1me3).[2]


Structure of cruzain catalytic domain complex with methylketone inhibitor (PDB entry 1me3)

Drag the structure with the mouse to rotate

3D structures of cruzain3D structures of cruzain

Updated on 30-November-2022

6n3s - TcCru catalytic domain 123-337 - Trypanosoma cruzi
1aim, 2aim, 1me3, 1me4, 3iut – TcCru catalytic domain + methylketone inhibitor
1f29, 1f2a, 1f2b, 1f2c, 1ewo, 2oz2, 3hd3, 3lxs, 6ux6 - TcCru catalytic domain + vinyl sulfone derived inhibitor
1ewl, 1ewm – TcCru catalytic domain + methylbutane inhibitor
1u9q, 3i06, 3kku, 4klb, 4pi3, 4qh6, 4w5b, 4w5c, 4xui, 6o2x - TcCru catalytic domain + inhibitor
1ewp - TcCru catalytic domain + MOR-Leu-HPQ
4w5b, 4xui, 4qh6, 4pi3, 4klb, 3kku, 3i06, 2oz2, 1u9q – TcCru + inhibitor
4w5c, 3iut, 3hd3 – TcCru (mutant) + inhibitor
7juj, 7s18, 7s19 - TcCru catalytic domain + gallinamide derivative

ReferencesReferences

  1. Brinen LS, Hansell E, Cheng J, Roush WR, McKerrow JH, Fletterick RJ. A target within the target: probing cruzain's P1' site to define structural determinants for the Chagas' disease protease. Structure. 2000 Aug 15;8(8):831-40. PMID:10997902
  2. Huang L, Brinen LS, Ellman JA. Crystal structures of reversible ketone-Based inhibitors of the cysteine protease cruzain. Bioorg Med Chem. 2003 Jan 2;11(1):21-9. PMID:12467703

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Alexander Berchansky