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C136S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C169S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C244S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C270S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C331S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C362S
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the mutant is hyperactive in normoxic conditions, while the activity of the mutant is similar to that of wild-type caspase-1 in hypoxic conditions
C362S/C397S
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the mutant is hyperactive in normoxic conditions, while the activity of the mutant is similar to that of wild-type caspase-1 in hypoxic conditions
C364S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C397S
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the mutant is hyperactive in normoxic conditions, while the activity of the mutant is similar to that of wild-type caspase-1 in hypoxic conditions
C69S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C72S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
C77S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
D297A
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site-directed mutagenesis, mutation at the D297 residue abolishes the effect of caspase-1 on RIG-I
D316A
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site-directed mutagenesis, mutation at the D316 residue does not abolish the effect of caspase-1 on RIG-I
D336A
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site-directed mutagenesis, the mutant shows an about 2fold loss of catalytic efficiency compared to the wild-type enzyme
E390A
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site-directed mutagenesis, the mutant shows an about 130fold loss of catalytic efficiency compared to the wild-type enzyme
N337A
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site-directed mutagenesis, the mutant shows an about 2fold loss of catalytic efficiency compared to the wild-type enzyme
R286A
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site-directed mutagenesis, the mutant shows an about 230fold loss of catalytic efficiency compared to the wild-type enzyme
R286K
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site-directed mutagenesis, the mutant shows an about 150fold loss of catalytic efficiency compared to the wild-type enzyme
R286K/E390D
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site-directed mutagenesis, the mutant shows an about 37fold loss of catalytic efficiency compared to the wild-type enzyme
S332A
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site-directed mutagenesis, the mutant shows an about 4fold loss of catalytic efficiency compared to the wild-type enzyme
S333A
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site-directed mutagenesis, the mutant shows an about 2fold loss of catalytic efficiency compared to the wild-type enzyme
S339A
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site-directed mutagenesis, the mutant shows an about 7fold loss of catalytic efficiency compared to the wild-type enzyme
T334A
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site-directed mutagenesis, the mutant shows an about 2fold loss of catalytic efficiency compared to the wild-type enzyme
T388A
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site-directed mutagenesis, the mutant shows an about 2fold loss of catalytic efficiency compared to the wild-type enzyme
A329T
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a procaspase-1 variant with decreased enzymatic activity
A329T
the mutant demonstrates absent enzymatic and interleukin-1beta releasing activity in vitro
C285A
inactive
C285A
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a procaspase-1 variant with decreased enzymatic activity showing about 3.5fold increased nuclear factor-kappaB activation compared to the wild type enzyme
C285A
active site null mutant
C285S
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site-directed mutagenesis, in comparison to wild type procaspase-1, expression of the C285S mutant does not alter the cellular levels of the RIG-I protein
C285S
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the mutant enzyme shows decreased activity compared to the wild-type enzyme
K319R
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a procaspase-1 variant with decreased enzymatic activity showing about 1.6fold increased nuclear factor-kappaB activation compared to the wild type enzyme
K319R
the mutant demonstrates decreased enzymatic and interleukin-1beta releasing activity in vitro
L265S
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a procaspase-1 variant with decreased enzymatic activity showing about 6.5fold increased nuclear factor-kappaB activation compared to the wild type enzyme
L265S
the mutant demonstrates absent enzymatic and interleukin-1beta releasing activity in vitro
N263S
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a procaspase-1 variant with decreased enzymatic activity showing about 1.8fold increased nuclear factor-kappaB activation compared to the wild type enzyme
N263S
the mutant demonstrates decreased enzymatic and interleukin-1beta releasing activity in vitro
R221C
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a procaspase-1 variant with decreased enzymatic activity
R221C
the mutant demonstrates absent enzymatic and interleukin-1beta releasing activity in vitro
R240Q
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a procaspase-1 variant with decreased enzymatic activity showing about 5fold increased nuclear factor-kappaB activation compared to the wild type enzyme
R240Q
the mutant demonstrates decreased enzymatic and interleukin-1beta releasing activity in vitro
T267I
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a procaspase-1 variant with decreased enzymatic activity
T267I
the mutant demonstrates absent enzymatic and interleukin-1beta releasing activity in vitro
additional information
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caspase-1-/- bone marrow-derived macrophages exhibit strong caspase-3 expression and reduced cell damage compared to wild-type cells during early Burkholderia pseudomallei infection, indicating classical apoptosis, whereas wild-type bone marrow-derived macrophages show signs of rapid caspase-1-dependent cell death. Caspase-1-/- bone marrow-derived macrophages exhibit impaired bactericidal activity compared to wild-type bone marrow-derived macrophages
additional information
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caspase-1-deficient macrophages show only slightly reduced ATP-triggered MHC-II secretion, overview
additional information
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caspase-1-deficient mice have unimpaired inflammatory responses to necrotic cells
additional information
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defective Anthrax-induced interleukin-1beta secretion in Nod2-/- or caspase-1-/- macrophages, not due to decreased pro-interleukin-1beta expression, caspase-1 or NOD2 deficiencies do not exert a major effect on TNF-alpha secretion
additional information
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genetic disruption of cryopyrin or the adaptor apoptosis associated speck-like protein, ASC, abrogates caspase-1 activation in poly(I:C), dsRNA, or viral RNA-stimulated macrophages
additional information
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Salmonella- and lipopolysaccharide-, and ATP-induced activation of caspase-7 is abolished in macrophages deficient in caspase-1, the pattern recognition receptors Ipaf and Cryopyrin, and the inflammasome adaptor ASC
additional information
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secretion of interleukin-1beta following KIM5 infection is reduced in caspase-1-deficient macrophages compared to wild-type macrophages
additional information
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caspase-1-deficient macrophages show only slightly reduced ATP-triggered MHC-II secretion, overview
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additional information
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Salmonella- and lipopolysaccharide-, and ATP-induced activation of caspase-7 is abolished in macrophages deficient in caspase-1, the pattern recognition receptors Ipaf and Cryopyrin, and the inflammasome adaptor ASC
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additional information
RNAi silencing
additional information
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RNAi silencing