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| Aliases | MLKL , hmixed lineage kinase domain-like, mixed lineage kinase domain like pseudokinase | ||||||||||||||||||||||||||||||||||||||||||||||||||
| External IDs | OMIM: 615153; MGI: 1921818; HomoloGene: 77416; GeneCards: MLKL; OMA:MLKL - orthologs | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Mixed lineage kinase domain like pseudokinase (MLKL) is a protein that in humans is encoded by the MLKL gene. [5]
This gene belongs to the protein kinase superfamily. The encoded protein contains a protein kinase-like domain; however, is thought to be inactive because it lacks several residues required for activity. This protein plays a critical role in tumor necrosis factor (TNF)-induced necroptosis, a programmed cell death process, via interaction with receptor-interacting protein 3 (RIP3), which is a key signaling molecule in necroptosis pathway. Inhibitor studies and knockdown of this gene inhibited TNF-induced necrosis.
High levels of this protein and RIP3 are associated with inflammatory bowel disease in children. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Sep 2015]. A unique neurodegenerative disease has been reported in association with a homozygous frameshift mutation, rs561839347, in MLKL that causes replacement of part of the C-terminal pseudokinase domain with a 21-residue sequence of random amino acids. [6]
FAS-associated death domain protein, also called MORT1, is encoded by the FADD gene on the 11q13.3 region of chromosome 11 in humans.
A disintegrin and metalloprotease 17 (ADAM17), also called TACE, is a 70-kDa enzyme that belongs to the ADAM protein family of disintegrins and metalloproteases, activated by substrate presentation.
TRAF6 is a TRAF human protein.
TNF receptor-associated factor 2 is a protein that in humans is encoded by the TRAF2 gene.
Tumor necrosis factor receptor type 1-associated DEATH domain protein is a protein that in humans is encoded by the TRADD gene.
IKK-β also known as inhibitor of nuclear factor kappa-B kinase subunit beta is a protein that in humans is encoded by the IKBKB gene.
Mitogen-activated protein kinase kinase kinase 11 is an enzyme that in humans is encoded by the MAP3K11 gene.
Receptor-interacting serine/threonine-protein kinase 1 (RIPK1) functions in a variety of cellular pathways related to both cell survival and death. In terms of cell death, RIPK1 plays a role in apoptosis, necroptosis, and PANoptosis Some of the cell survival pathways RIPK1 participates in include NF-κB, Akt, and JNK.
Tumor necrosis factor, alpha-induced protein 3 or A20 is a protein that in humans is encoded by the TNFAIP3 gene.
Mitogen-activated protein kinase kinase kinase 14 (MAP3K14), also known as NF-kappa-B-inducing kinase (NIK), is a MAP kinase kinase kinase enzyme that in humans is encoded by the MAP3K14 gene.
Sterile alpha motif and leucine zipper containing kinase AZK, also known as ZAK, is a human gene.
Tribbles homolog 3 is a protein that in humans is encoded by the TRIB3 gene.
Mitogen-activated protein kinase kinase kinase 10 is an enzyme that in humans is encoded by the MAP3K10 gene.
Mitogen-activated protein kinase kinase kinase kinase 4 (MAP4K4) – also known as hepatocyte progenitor kinase-like/germinal center kinase-like kinase (HGK) and Nck-interacting kinase (NIK) – is an enzyme, specifically a serine/threonine (S/T) kinase encoded by the MAP4K4 gene in humans.
Vascular endothelial growth inhibitor (VEGI), also known as TNF-like ligand 1A (TL1A) and TNF superfamily member 15 (TNFSF15), is protein that in humans is encoded by the TNFSF15 gene. VEGI is an anti-angiogenic protein. It belongs to tumor necrosis factor (ligand) superfamily, where it is member 15. It is the sole known ligand for death receptor 3, and it can also be recognized by decoy receptor 3.
Receptor-interacting serine/threonine-protein kinase 3 is an enzyme that is encoded by the RIPK3 gene in humans.
Death receptor 6 (DR6), also known as tumor necrosis factor receptor superfamily member 21 (TNFRSF21), is a cell surface receptor of the tumor necrosis factor receptor superfamily which activates the JNK and NF-κB pathways. It is mostly expressed in the thymus, spleen and white blood cells. The Gene for DR6 is 78,450 bases long and is found on the 6th chromosome. This is transcribed into a 655 amino acid chain weighing 71.8 kDa. Post transcriptional modifications of this protein include glycosylation on the asparagines at the 82, 141, 252, 257, 278, and 289 amino acid locations.
Z-DNA-binding protein 1, also known as DNA-dependent activator of IFN-regulatory factors (DAI) and DLM-1, is a protein that in humans is encoded by the ZBP1 gene.
Necroptosis is a programmed form of necrosis, or inflammatory cell death. Conventionally, necrosis is associated with unprogrammed cell death resulting from cellular damage or infiltration by pathogens, in contrast to orderly, programmed cell death via apoptosis. The discovery of necroptosis showed that cells can execute necrosis in a programmed fashion and that apoptosis is not always the preferred form of cell death. Furthermore, the immunogenic nature of necroptosis favors its participation in certain circumstances, such as aiding in defence against pathogens by the immune system. Necroptosis is well defined as a viral defense mechanism, allowing the cell to undergo "cellular suicide" in a caspase-independent fashion in the presence of viral caspase inhibitors to restrict virus replication. In addition to being a response to disease, necroptosis has also been characterized as a component of inflammatory diseases such as Crohn's disease, pancreatitis, and myocardial infarction.
PANoptosis is a prominent innate immune, inflammatory, and lytic cell death pathway initiated by innate immune sensors and driven by caspases and receptor-interacting protein kinases (RIPKs) through multiprotein PANoptosome complexes. The assembly of the PANoptosome cell death complex occurs in response to germline-encoded pattern-recognition receptors (PRRs) sensing pathogens, including bacterial, viral, and fungal infections, as well as pathogen-associated molecular patterns, damage-associated molecular patterns, and cytokines that are released during infections, inflammatory conditions, and cancer. Several PANoptosome complexes, such as the ZBP1-, AIM2-, RIPK1-, and NLRC5- and NLRP12-PANoptosomes, have been characterized so far.
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This article incorporates text from the United States National Library of Medicine, which is in the public domain.
