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{{STRUCTURE_1pyo| PDB=1pyo | SIZE=400| SCENE= |right|  CAPTION=CASP-2 subunit P18 (grey, pink) and subunit P12 (green, yellow) complex with polypeptide inhibitor (magenta, cyan), aspartic aldehyde and acetyl group, [[1pyo]] }}
<StructureSection load='1pyo' size='350' side='right' scene='45/458455/Cv/1' caption='CASP-2 subunit P18 (purple, yellow) and subunit P12 (green, cyan) complex with polypeptide inhibitor (salmon, blue), aspartic aldehyde and acetyl group, [[1pyo]]'>


'''Caspase''' (CASP) are cysteine-aspartic proteases which function in apoptosis, necrosis and inflammation.  Twelve CASP have been identified in human.  CASP is synthesized as an inactive pro-CASP with a prodomain which is being cleaved off to render them active.  The X-linked inhibitor of apoptosis protein (XIAP) with its baculoviral IAP repeat (BIR) domain is an inhibitor of CASP.  '''CASP-1''' (or I'''nterleukin-1 beta converting enzyme, ICE''') cleaves precursor cytokine interleukin 1-β and interleukin 18 into mature protein.  '''CASP-3''' interacts with CASP-8 and CASP-9 during cell apoptosis.  '''CASP-7''' is a heterodimer consisting of P20 (human residues 1-198) and P11 (human residues 199-303) subunits.  CASP-7 catalytic domain consists of residues 57-303. is an important initiator CASP and drICE is an effector of apoptosis CASP in ''Drosophila melanogaster''.  '''Metacaspase''' (MCASP) are arginine/lysine specific CASP.  MCASP are found in plants and fungi.
'''Caspase''' (CASP) are cysteine-aspartic proteases (see [[Protease]]) which function in apoptosis, necrosis and inflammation.  Twelve CASP have been identified in human.  CASP is synthesized as an inactive pro-CASP with a prodomain which is being cleaved off to render them active.  The X-linked inhibitor of apoptosis protein (XIAP) with its baculoviral IAP repeat (BIR) domain is an inhibitor of CASP. The CASP recruitment domain (CARD) mediates signaling events that are associated with various human diseases including cancer, neuro-degenerative diseases and immune disorders<ref>PMID:30664151</ref>.<br />
 
* '''CASP-1''' (or '''Interleukin-1 beta converting enzyme, ICE''') cleaves precursor cytokine interleukin 1-β and interleukin 18 into mature protein. See:<br />
For some details see:<br />
[[Human Caspase-1]]<br />
CASP-1 - [[Human Caspase-1]]<br />
* '''CASP-3''' or ('''Apopain; Cysteine protease CPP32''') interacts with CASP-8 and CASP-9 during cell apoptosis. See:<br />
CASP-3 - [[Sandox Bay Serrano]]; <br />
[[Sandox Bay Serrano]]<br />
*[[Caspase-3 Regulatory Mechanisms]]<br />
[[Student Projects for UMass Chemistry 423 Spring 2012-5]]<br />
CASP-6 - [[Molecular Playground/Caspase-6 (new)]]; <br />
[[Caspase-3 Regulatory Mechanisms]]<br />
*[[Caspase-6 and neurodegeneration]]<br />
*  '''CASP-4''' binds the lipid moiety of lipopolysaccharide to induce the activation of non-canonical inflammasome<ref>PMID:29339744</ref>.<br/>
CASP-7 - [[Molecular Playground/Caspase-7 Dynamics]]<br />
*  '''CASP-6''' is involved in the activation of cascade of caspases during apoptosis.  See:<br/>
CASP-9 - [[Molecular Playground/Caspase-9 Regulation]].  
[[Molecular Playground/Caspase-6 (new)]]<br />
 
[[Caspase-6 and neurodegeneration]]<br />
 
* '''CASP-7''' is a heterodimer consisting of P20 (human residues 1-198) and P11 (human residues 199-303) subunits.  CASP-7 catalytic domain consists of residues 57-303. is an important initiator CASP and drICE is an effector of apoptosis CASP in ''Drosophila melanogaster''.  See:<br />
__NOTOC__
[[Molecular Playground/Caspase-7 Dynamics]]<br />
[[Molecular Playground/Executioner Caspase-7]]<br />
* '''CASP-9''' is an aspartic protease linked to mitochondrial death pathway.  See:<br />
[[Molecular Playground/Caspase-9 Regulation]].<br />
*  '''Metacaspase''' (MCASP) are arginine/lysine specific CASP.  MCASP are found in plants and fungi.
<ref>PMID:12920126</ref><ref>PMID:8035875</ref>


==3D structures of caspase==
==3D structures of caspase==
[[Caspase 3D structures]]


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
</StructureSection>
 
===CASP-1===
 
[[3e4c]] – hpro-CASP (mutant) - human<br />
[[2nn3]] – pro-SfCASP (mutant) – ''Spodoptera frugiperda''<br />
[[1sc1]], [[1sc4]] - hCASP (mutant) <br />
[[1sc3]] - hCASP (mutant) + malonate<br />
[[3d6f]], [[3d6h]], [[3d6m]], [[1ibc]] - hCASP (mutant) + polypeptide inhibitor<br />
[[2hbq]], [[1bmq]], [[3ns7]] - hCASP + inhibitor<br />
[[2h4w]], [[2h4y]], [[2h51]], [[2h54]], [[2hbr]], [[2hby]], [[2hbz]], [[2h48]], [[2fqq]], [[1rwk]], [[1rwm]], [[1rwn]], [[1rwo]], [[1rwp]], [[1rwv]], [[1rww]], [[1rwx]] - hCASP (mutant) + inhibitor<br />
[[1ice]] – hCASP + tetrapeptide aldehyde<br />
[[1m72]] – SfCASP + polypeptide inhibitor<br />
 
===CASP-2===
 
[[2p2c]] – hCASP<br />
[[3r7s]] - hCASP subunits P12, P18<br />
[[1pyo]], [[3r5j]], [[3r6g]], [[3r6l]], [[3r7b]], [[3r7n]], [[3rjm]] - hCASP + polypeptide inhibitor<br />
 
===CASP-3===
 
[[1qx3]] - hCASP<br />
[[2xyg]], [[2xyh]], [[2xyp]], [[4jje]] – hCASP subunits P12, P17 + inhibitor<br />
[[2xzd]], [[2xzt]], [[2y0b]] - hCASP subunits P12, P17 + DARPIN-3.4<br />
[[3pcx]], [[3pd1]], [[3pd0]], [[3gjq]], [[3gjr]], [[3gjs]], [[3gjt]], [[3edq]], [[3edr]], [[2cnk]], [[2cnl]], [[2cnn]], [[2cno]], [[2cdr]], [[2h65]], [[1cp3]], [[1pau]] – hCASP + polypeptide inhibitor<br />
[[4dcj]], [[4dco]], [[4dcp]], [[4eha]], [[4ehd]], [[4ehf]], [[4ehh]], [[4ehk]], [[4ehl]], [[4ehn]] – hCASP subunits P12, P17 + polypeptide inhibitor<br />
[[2dko]], [[2cjx]], [[2cjy]] - hCASP (mutant) + polypeptide inhibitor<br />
[[4jqy]], [[4jqz]] - hpro-CASP (mutant)<br />
[[3kjf]], [[3h0e]], [[3deh]], [[3dei]], [[3dej]], [[3dek]], [[1re1]], [[1rhj]], [[1rhk]], [[1rhm]], [[1rhq]], [[1rhr]], [[1rhu]], [[1nme]], [[1nmq]], [[1nms]], [[1gfw]] – hCASP + inhibitor<br />
[[3itn]], [[2j30]], [[2j31]], [[2j32]], [[2j33]], [[2c1e]], [[2c2k]], [[2c2m]], [[2c2o]], [[2c2z]], [[2h5i]], [[2h5j]], [[4jr0]] – hpro-CASP + polypeptide inhibitor<br />
[[1i3o]] - hCASP (mutant) + XIAP-BIR2
 
===CASP-6===
 
[[3p45]], [[3k7e]], [[2wdp]] – hCASP<br />
[[3nkf]], [[3nr2]], [[3s8e]], [[3v6l]], [[3v6m]] – hCASP (mutant) <br />
[[3od5]], [[3p4u]], [[3qnw]], [[3s70]] – hCASP + polypeptide inhibitor<br />
[[4ejf]] – hCASP subunit P11 + P18 + polypeptide<br />
[[4fxo]] - hCASP subunit P11 + P18 + Zn<br />
[[4hva]] - hCASP subunit P11 + P18 + VEID inhibitor<br />
 
===CASP-7===
 
[[3rk5]], [[4fdi]] - hCASP<br />
[[3ibf]] – hCASP P20 subunit<br />
[[3r5k]] - hCASP (mutant) <br />
[[1k86]], [[1gqf]] – hCASP catalytic domain<br />
[[1k88]] – hpro-CASP (mutant) <br />
[[3ibc]], [[2ql5]], [[2ql7]], [[2ql9]], [[2qlb]], [[2qlf]], [[2qlj]], [[3edr]] - hCASP P20 subunit + polypeptide inhibitor<br />
[[1f1j]] - hCASP + polypeptide inhibitor<br />
[[3h1p]], [[4jr1]], [[4jr2]] - hCASP catalytic domain (mutant) + polypeptide inhibitor<br />
[[1shj]], [[1shl]] - hCASP catalytic domain (mutant) + inhibitor<br />
[[4fea]] - hCASP catalytic domain + inhibitor<br />
[[1i51]], [[1kmc]] - hCASP (mutant) + XIAP-BIR2<br />
[[1i4o]] - hCASP P20 subunit + XIAP
 
===CASP-8===
 
[[3kjn]], [[3kjq]] – hCASP + inhibitor<br />
[[1f9e]], [[1qtn]], [[1qdu]] - hCASP + polypeptide inhibitor<br />
[[3h11]] - hCASP (mutant) + polypeptide inhibitor<br />
[[2k7z]] – hpro-CASP (mutant) – NMR<br />
[[2fun]], [[1i4e]] – CASP + P35 – ''Autographa californica''
 
===CASP-9===
 
[[2ar9]] – hCASP (mutant) <br />
[[1jxq]] - hCASP + polypeptide inhibitor<br />
[[1nw9]] – hCASP catalytic domain + XIAP-BIR3<br />
[[3ygs]] – hpro-CASP + APAF-1 CARD
 
===Drosophila melanogaster CASP===
 
[[2fp3]] – DmCASP Dronc residues 136-450  – ''Drosophila melanogaster''<br />
[[3sir]] - DmCASP drICE residues 78-332<br />
[[3sip]] – DmCASP drICE residues 78-230 + apoptosis inhibitor<br />
 
===Metacaspase===
 
[[4afp]], [[4afr]], [[4afv]], [[4af8]] – MCASP (mutant) – ''Trypanosom brucei''<br />
[[4f6o]] – yMCASP 1 – yeast<br />
[[4f6p]] – yMCASP 1 (mutant)<br />
 
 


== References ==
<references/>
   
   




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

Latest revision as of 11:33, 30 May 2021


Caspase (CASP) are cysteine-aspartic proteases (see Protease) which function in apoptosis, necrosis and inflammation. Twelve CASP have been identified in human. CASP is synthesized as an inactive pro-CASP with a prodomain which is being cleaved off to render them active. The X-linked inhibitor of apoptosis protein (XIAP) with its baculoviral IAP repeat (BIR) domain is an inhibitor of CASP. The CASP recruitment domain (CARD) mediates signaling events that are associated with various human diseases including cancer, neuro-degenerative diseases and immune disorders[1].

  • CASP-1 (or Interleukin-1 beta converting enzyme, ICE) cleaves precursor cytokine interleukin 1-β and interleukin 18 into mature protein. See:

Human Caspase-1

  • CASP-3 or (Apopain; Cysteine protease CPP32) interacts with CASP-8 and CASP-9 during cell apoptosis. See:

Sandox Bay Serrano

Student Projects for UMass Chemistry 423 Spring 2012-5
Caspase-3 Regulatory Mechanisms

  • CASP-4 binds the lipid moiety of lipopolysaccharide to induce the activation of non-canonical inflammasome[2].
  • CASP-6 is involved in the activation of cascade of caspases during apoptosis. See:

Molecular Playground/Caspase-6 (new)

Caspase-6 and neurodegeneration

  • CASP-7 is a heterodimer consisting of P20 (human residues 1-198) and P11 (human residues 199-303) subunits. CASP-7 catalytic domain consists of residues 57-303. is an important initiator CASP and drICE is an effector of apoptosis CASP in Drosophila melanogaster. See:

Molecular Playground/Caspase-7 Dynamics

Molecular Playground/Executioner Caspase-7

  • CASP-9 is an aspartic protease linked to mitochondrial death pathway. See:

Molecular Playground/Caspase-9 Regulation.

  • Metacaspase (MCASP) are arginine/lysine specific CASP. MCASP are found in plants and fungi.

[3][4]

3D structures of caspase

Caspase 3D structures


CASP-2 subunit P18 (purple, yellow) and subunit P12 (green, cyan) complex with polypeptide inhibitor (salmon, blue), aspartic aldehyde and acetyl group, 1pyo

Drag the structure with the mouse to rotate

ReferencesReferences

  1. ↑ Park HH. Caspase recruitment domains for protein interactions in cellular signaling (Review). Int J Mol Med. 2019 Mar;43(3):1119-1127. doi: 10.3892/ijmm.2019.4060. Epub 2019, Jan 11. PMID:30664151 doi:http://dx.doi.org/10.3892/ijmm.2019.4060
  2. ↑ Lagrange B, Benaoudia S, Wallet P, Magnotti F, Provost A, Michal F, Martin A, Di Lorenzo F, Py BF, Molinaro A, Henry T. Human caspase-4 detects tetra-acylated LPS and cytosolic Francisella and functions differently from murine caspase-11. Nat Commun. 2018 Jan 16;9(1):242. doi: 10.1038/s41467-017-02682-y. PMID:29339744 doi:http://dx.doi.org/10.1038/s41467-017-02682-y
  3. ↑ Schweizer A, Briand C, Grutter MG. Crystal structure of caspase-2, apical initiator of the intrinsic apoptotic pathway. J Biol Chem. 2003 Oct 24;278(43):42441-7. Epub 2003 Aug 14. PMID:12920126 doi:http://dx.doi.org/10.1074/jbc.M304895200
  4. ↑ Wilson KP, Black JA, Thomson JA, Kim EE, Griffith JP, Navia MA, Murcko MA, Chambers SP, Aldape RA, Raybuck SA, et al.. Structure and mechanism of interleukin-1 beta converting enzyme. Nature. 1994 Jul 28;370(6487):270-5. PMID:8035875 doi:http://dx.doi.org/10.1038/370270a0

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