Calcium binding to thermitase. Crystallographic studies of thermitase at 0, 5 and 100 mm calcium. Determined by X-ray diffraction at 2.0 Å resolution. Released 15 Jan 1992.
Explore 3TEC in 3D Show helices and sheets RCSB PDB PDBe
3TEC contains 13 α-helices and 29 β-strands across 2 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 |
|---|---|---|---|
| α-helix | 6-10 | 5 | |
| α-helix | 14-17 | 4 | |
| α-helix | 20-24 | 5 | |
| β-strand | 33-38 | 6 | 1 |
| β-strand | 52-57 | 6 | 1 |
| β-strand | 62 | 1 | 1 |
| α-helix | 71-80 | 10 | |
| β-strand | 97-102 | 6 | 1 |
| β-strand | 109 | 1 | 2 |
| α-helix | 112-124 | 13 | |
| β-strand | 129-132 | 4 | 1 |
| β-strand | 134-135 | 2 | 2 |
| β-strand | 136 | 1 | 3 |
| α-helix | 141-153 | 13 | |
| β-strand | 156-160 | 5 | 1 |
| β-strand | 171 | 1 | 3 |
| β-strand | 178-184 | 7 | 1 |
| α-helix | 189 | 1 | |
| β-strand | 190 | 1 | 1 |
| α-helix | 191 | 1 | |
| β-strand | 202-205 | 4 | 1 |
| β-strand | 209-213 | 5 | 4 |
| β-strand | 217-221 | 5 | 4 |
| β-strand | 222 | 1 | 5 |
| α-helix | 224-239 | 16 | |
| α-helix | 245-254 | 10 | |
| β-strand | 257 | 1 | 1 |
| β-strand | 262 | 1 | 6 |
| β-strand | 266 | 1 | 6 |
| β-strand | 269-270 | 2 | 1 |
| α-helix | 273-277 | 5 |
| Element | Residues | Length | Sheet |
|---|---|---|---|
| β-strand | 9 | 1 | 7 |
| α-helix | 11-13 | 3 | |
| β-strand | 17 | 1 | 8 |
| α-helix | 18-28 | 11 | |
| β-strand | 33-38 | 6 | 8 |
| β-strand | 43-44 | 2 | 2 |
| β-strand | 47 | 1 | 5 |
| β-strand | 51-57 | 7 | 8 |
| β-strand | 62-63 | 2 | 8 |
| β-strand | 68 | 1 | 7 |
| β-strand | 69 | 1 | 8 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Thermitase | E | protein | 279 | Thermoactinomyces vulgaris | P04072 (AlphaFold model) |
| Eglin C | I | protein | 70 | Hirudinaria manillensis | P01051 (AlphaFold model) |
>3TEC_1 THERMITASE (chains E) YTPNDPYFSSRQYGPQKIQAPQAWDIAEGSGAKIAIVDTGVQSNHPDLAGKVVGGWDFVD NDSTPQNGNGHGTHCAGIAAAVTNNSTGIAGTAPKASILAVRVLDNSGSGTWTAVANGIT YAADQGAKVISLSLGGTVGNSGLQQAVNYAWNKGSVVVAAAGNAGNTAPNYPAYYSNAIA VASTDQNDNKSSFSTYGSVVDVAAPGSWIYSTYPTSTYASLSGTSMATPHVAGVAGLLAS QGRSASNIRAAIENTADKISGTGTYWAKGRVNAYKAVQY
>3TEC_2 EGLIN C (chains I) TEFGSELKSFPEVVGKTVDQAREYFTLHYPQYDVYFLPEGSPVTLDLRYNRVRVFYNPGT NVVNHVPHVG
| ID | Name | Formula | Copies |
|---|---|---|---|
| CA | Calcium ion | Ca | 3 |
Calcium binding to thermitase. Crystallographic studies of thermitase at 0, 5, and 100 mM calcium. Gros, P., Kalk, K.H., Hol, W.G. J Biol Chem (1991) 266:2953-2961. PubMed
Other PDB entries of the same protein (UniProt P04072 (AlphaFold model), which also has an AlphaFold model), best resolution first:
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