3d85 | pdb_00003d85

Crystal structure of IL-23 in complex with neutralizing FAB

spinqualitylabelsall models 3d85, resolution 1.90Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3d85 is a 4 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.9Å Ligands: IMD, MPD Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Disease IGHG1_HUMAN Defects in IGHG1 are a cause of multiple myeloma (MM) [MIM:254500. MM is a malignant tumor of plasma cells usually arising in the bone marrow and characterized by diffuse involvement of the skeletal system, hyperglobulinemia, Bence-Jones proteinuria and anemia. Complications of multiple myeloma are bone pain, hypercalcemia, renal failure and spinal cord compression. The aberrant antibodies that are produced lead to impaired humoral immunity and patients have a high prevalence of infection. Amyloidosis may develop in some patients. Multiple myeloma is part of a spectrum of diseases ranging from monoclonal gammopathy of unknown significance (MGUS) to plasma cell leukemia. Note=A chromosomal aberration involving IGHG1 is found in multiple myeloma. Translocation t(11;14)(q13;q32) with the IgH locus. Translocation t(11;14)(q13;q32) with CCND1; translocation t(4;14)(p16.3;q32.3) with FGFR3; translocation t(6;14)(p25;q32) with IRF4. Function IGHG1_HUMAN Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Interleukin (IL)-23 is a pro-inflammatory cytokine playing a key role in the pathogenesis of several autoimmune and inflammatory diseases. We have determined the crystal structures of the heterodimeric p19-p40 IL-23 and its complex with the Fab (antigen-binding fragment) of a neutralizing antibody at 2.9 and 1.9 A, respectively. The IL-23 structure closely resembles that of IL-12. They share the common p40 subunit, and IL-23 p19 overlaps well with IL-12 p35. Along the hydrophilic heterodimeric interface, fewer charged residues are involved for IL-23 compared with IL-12. The binding site of the Fab is located exclusively on the p19 subunit, and comparison with published cytokine-receptor structures suggests that it overlaps with the IL-23 receptor binding site. Crystal structures of the pro-inflammatory cytokine interleukin-23 and its complex with a high-affinity neutralizing antibody.,Beyer BM, Ingram R, Ramanathan L, Reichert P, Le HV, Madison V, Orth P J Mol Biol. 2008 Oct 17;382(4):942-55. Epub 2008 Aug 7. PMID:18708069 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Antibody 3D structures Interleukin 3D structures 3D structures of human antibody

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