1cdf | pdb_00001cdf

Theoretical Model: The protein structure described on this page was determined theoretically, and hence should be interpreted with caution.

THREE-DIMENSIONAL THEORETICAL MODEL OF THE LIGAND BINDING DOMAIN OF THE HUMAN B CELL RECPTOR CD40

spinqualitylabelsall models 1cdf Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, PDBsum, ProSAT Publication Abstract from PubMed The interaction between the human B cell receptor CD40 and its ligand on T cells is critical for B cell proliferation and the regulation of humoral immune responses. CD40 is a member of the tumor necrosis factor receptor (TNFR) family. We report here the construction and analysis of a detailed three-dimensional model of the TNFR-homologous extracellular region of CD40. This study provides an example for structure-based model building in the presence of low sequence similarity. The assessment of model quality and sequence-structure compatibility is emphasized, and limitations of the model are discussed. The current CD40 model predicts structural details beyond the backbone level. Features of the CD40 ligand binding site are discussed in conjunction with the results of a previous mutagenesis study. Construction and analysis of a detailed three-dimensional model of the ligand binding domain of the human B cell receptor CD40.,Bajorath J, Aruffo A Proteins. 1997 Jan;27(1):59-70. PMID:9037712 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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