Title : Mechanistic insights into high mobility group box-1 (HMGb1)-induced Toll-like receptor 4 (TLR4) dimer formation.

Pub. Date : 2019 Sep

PMID : 30238832






2 Functional Relationships(s)
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1 From our findings, we hypothesize that disulfide A-box fragment binds as an anchor toward the TLR4-MD-2 but does not facilitate the TLR4 dimer formation, thereby competing with the HMGb1-binding site and preventing HMGb1-induced signaling and downstream inflammation, whereas the pro-inflammatory B-box fragment retains the MD-2 active conformation and binds to both TLR4 proteins in the complex to aid TLR4 dimer formation, which activates the intracellular signaling for downstream inflammatory pathways and cytokine release. Disulfides high mobility group box 1 Homo sapiens
2 From our findings, we hypothesize that disulfide A-box fragment binds as an anchor toward the TLR4-MD-2 but does not facilitate the TLR4 dimer formation, thereby competing with the HMGb1-binding site and preventing HMGb1-induced signaling and downstream inflammation, whereas the pro-inflammatory B-box fragment retains the MD-2 active conformation and binds to both TLR4 proteins in the complex to aid TLR4 dimer formation, which activates the intracellular signaling for downstream inflammatory pathways and cytokine release. Disulfides high mobility group box 1 Homo sapiens