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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Novel Constitutively Active Point Mutations In The Nh2 Domain Of Cxcr2 Capture The Receptor In Different Activation States, Giljun Park
Chemokines are structurally and functionally related 8-10 kDa proteins defined by four conserved cysteine residues. They consist of a superfamily of proinflammatory mediators that promote the recruitment of various kinds of leukocytes and other cell types through binding to their respective chemokine receptor, a member of the GPCR family. Abnormal control of this system results in various diseases including tumorigenesis and cancer metastasis. Deregulation can occur when constitutively active mutant (CAM) chemokine receptors are locked in the “on” position. This can lead to cellular transformation/tumorigenesis. A viral CAM receptor, ORF74, that can cause tumors in humans, also has homology ...