3v3k

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Human caspase 9 in complex with bacterial effector proteinHuman caspase 9 in complex with bacterial effector protein

Structural highlights

3v3k is a 16 chain structure with sequence from Escherichia coli O157:H7 and Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 3.494Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CASP9_HUMAN Involved in the activation cascade of caspases responsible for apoptosis execution. Binding of caspase-9 to Apaf-1 leads to activation of the protease which then cleaves and activates caspase-3. Promotes DNA damage-induced apoptosis in a ABL1/c-Abl-dependent manner. Proteolytically cleaves poly(ADP-ribose) polymerase (PARP).[1] Isoform 2 lacks activity is an dominant-negative inhibitor of caspase-9.[2]

See Also

References

  1. Raina D, Pandey P, Ahmad R, Bharti A, Ren J, Kharbanda S, Weichselbaum R, Kufe D. c-Abl tyrosine kinase regulates caspase-9 autocleavage in the apoptotic response to DNA damage. J Biol Chem. 2005 Mar 25;280(12):11147-51. Epub 2005 Jan 18. PMID:15657060 doi:10.1074/jbc.M413787200
  2. Raina D, Pandey P, Ahmad R, Bharti A, Ren J, Kharbanda S, Weichselbaum R, Kufe D. c-Abl tyrosine kinase regulates caspase-9 autocleavage in the apoptotic response to DNA damage. J Biol Chem. 2005 Mar 25;280(12):11147-51. Epub 2005 Jan 18. PMID:15657060 doi:10.1074/jbc.M413787200

3v3k, resolution 3.49Å

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OCA