Structures of an HIV and MHC binding fragment from human CD4 as refined in two crystal lattices. Determined by X-ray diffraction at 2.3 Å resolution. Released 30 Apr 1994.
Explore 1CDH in 3D Show helices and sheets RCSB PDB PDBe
1CDH contains 2 α-helices and 22 β-strands across 1 chain. 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 | 2-7 | 6 | 1 |
| β-strand | 12-14 | 3 | 2 |
| β-strand | 17 | 1 | 3 |
| β-strand | 26-30 | 5 | 1 |
| β-strand | 35-38 | 4 | 1 |
| β-strand | 45 | 1 | 1 |
| β-strand | 55-56 | 2 | 2 |
| α-helix | 62-64 | 3 | |
| β-strand | 66 | 1 | 3 |
| β-strand | 69-71 | 3 | 2 |
| α-helix | 76-78 | 3 | |
| β-strand | 80-86 | 7 | 1 |
| β-strand | 89-98 | 10 | 1 |
| β-strand | 99-102 | 4 | 4 |
| β-strand | 107-109 | 3 | 5 |
| β-strand | 114 | 1 | 6 |
| β-strand | 116-119 | 4 | 4 |
| β-strand | 127-131 | 5 | 7 |
| β-strand | 137-140 | 4 | 7 |
| β-strand | 143 | 1 | 4 |
| β-strand | 146 | 1 | 6 |
| β-strand | 157-162 | 6 | 7 |
| β-strand | 167-172 | 6 | 7 |
| β-strand | 175-177 | 3 | 5 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| T cell surface glycoprotein CD4 | A | protein | 178 | Homo sapiens | P01730 (AlphaFold model) |
>1CDH_1 T CELL SURFACE GLYCOPROTEIN CD4 (chains A) KKVVLGKKGDTVELTCTASQKKSIQFHWKNSNQIKILGNQGSFLTKGPSKLNDRADSRRS LWDQGNFPLIIKNLKIEDSDTYICEVEDQKEEVQLLVFGLTANSDTHLLQGQSLTLTLES PPGSSPSVQCRSPRGKNIQGGKTLSVSQLELQDSGTWTCTVLQNQKKVEFKIDIVVLA
Structures of an HIV and MHC binding fragment from human CD4 as refined in two crystal lattices. Ryu, S.E., Truneh, A., Sweet, R.W. et al. Structure (1994) 2:59-74. DOI 10.1016/S0969-2126(00)00008-3 · PubMed
Other PDB entries of the same protein (UniProt P01730 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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