Crystal structure of dsfv MR1 in complex with the peptide antigen of the mutant epidermal growth factor receptor, egfrviii, at liquid nitrogen temperature. Determined by X-ray diffraction at 1.8 Å resolution. Released 14 Mar 2002.
Explore 1I8K in 3D Show helices and sheets RCSB PDB PDBe
1I8K contains 6 α-helices and 24 β-strands across 3 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 4-7 | 4 | 1 |
| β-strand | 10-12 | 3 | 2 |
| β-strand | 19-25 | 7 | 1 |
| β-strand | 33-38 | 6 | 2 |
| β-strand | 45-49 | 5 | 2 |
| β-strand | 53-54 | 2 | 2 |
| α-helix | 55 | 1 | |
| β-strand | 62-67 | 6 | 1 |
| β-strand | 70-75 | 6 | 1 |
| α-helix | 80-82 | 3 | |
| β-strand | 84-90 | 7 | 2 |
| α-helix | 96 | 1 | |
| β-strand | 97-98 | 2 | 2 |
| β-strand | 102-105 | 4 | 2 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 303-307 | 5 | 3 |
| β-strand | 310-312 | 3 | 4 |
| β-strand | 318-325 | 8 | 3 |
| α-helix | 329-331 | 3 | |
| β-strand | 334-339 | 6 | 4 |
| β-strand | 345-351 | 7 | 4 |
| β-strand | 358-360 | 3 | 4 |
| β-strand | 368-373 | 6 | 3 |
| α-helix | 374-376 | 3 | |
| β-strand | 378-383 | 6 | 3 |
| α-helix | 388-390 | 3 | |
| β-strand | 392-401 | 10 | 4 |
| β-strand | 404-410 | 7 | 4 |
| β-strand | 414-418 | 5 | 4 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 502 | 1 | 5 |
| β-strand | 505 | 1 | 5 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Epidermal growth factor receptor antibody MR1SCFV light chain | A | protein | 107 | Mus musculus | P01660 (AlphaFold model) |
| Epidermal growth factor receptor antibody MR1SCFV heavy chain | B | protein | 124 | Mus musculus | P18529 (AlphaFold model) |
| Epidermal growth factor receptor, egfrviii peptide antigen | C | protein | 12 |
>1I8K_1 EPIDERMAL GROWTH FACTOR RECEPTOR ANTIBODY MR1SCFV LIGHT CHAIN (chains A) DIELTQSPASLSVATGEKVTIRCMTSTDIDDDMNWYQQKPGEPPKFLISEGNTLRPGVPS RFSSSGTGTDFVFTIENTLSEDVGDYYCLQSFNVPLTFGCGTKLEIK
>1I8K_2 EPIDERMAL GROWTH FACTOR RECEPTOR ANTIBODY MR1SCFV HEAVY CHAIN (chains B) QVKLQQSGGGLVKPGASLKLSCVTSGFTFRKFGMSWVRQTSDKCLEWVASISTGGYNTYY SDNVKGRFTISRENAKNTLYLQMSSLKSEDTALYYCTRGYSSTSYAMDYWGQGTTVTVSG IEGR
>1I8K_3 EPIDERMAL GROWTH FACTOR RECEPTOR, EGFRVIII PEPTIDE ANTIGEN (chains C) EEKKGNYVVTDH
Antibody recognition of a conformational epitope in a peptide antigen: Fv-peptide complex of an antibody fragment specific for the mutant EGF receptor, EGFRvIII. Landry, R.C., Klimowicz, A.C., Lavictoire, S.J. et al. J Mol Biol (2001) 308:883-893. DOI 10.1006/jmbi.2001.4628 · PubMed
Other PDB entries of the same protein (UniProt P01660 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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