2icw Summary

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Crystal structure of a complete ternary complex between TCR, superantigen, and peptide-MHC class II molecule

The structure was published by Wang, L., Zhao, Y., Li, Z., et al., Kranz, D.M., Mourad, W., and Li, H., in 2007 in a paper entitled "Crystal structure of a complete ternary complex of TCR, superantigen and peptide-MHC." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.41 Å and deposited in 2006.

The experimental data on which the structure is based was also deposited.

This entry contains 24 copies of 6 unique biopolymers (complete list).

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.


The are more than 5 unique protein polymers in this entry. More information is available on the Uniprot cross references page.

This entry contains 5 unique UniProt proteins:

UniProt accession Name Organism PDB
P01903 (28 - 206) HLA class II histocompatibility antigen, DR alpha chain Homo sapiens
P04229 (30 - 219) HLA class II histocompatibility antigen, DRB1-1 beta chain Homo sapiens
Q48898 (26 - 238) Mycoplasma arthritidis mitogen Mycoplasma arthritidis
A2NTY6 (30 - 144) T-cell receptor beta chain V Mus musculus
P01738 (21 - 130) T-cell receptor alpha chain V Mus musculus

For more information on cross references to other databases click Cross references in the menu on the left.