Structure of bovine pancreatic trypsin inhibitor. Results of joint neutron and X-ray refinement of crystal form II. Determined by X-ray diffraction at 1.0 Å resolution. Released 29 Oct 1984.
Explore 5PTI in 3D Show helices and sheets RCSB PDB PDBe
5PTI contains 3 α-helices and 3 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 |
|---|---|---|---|
| α-helix | 3-6 | 4 | |
| α-helix | 8-9 | 2 | |
| β-strand | 18-24 | 7 | 1 |
| β-strand | 29-35 | 7 | 1 |
| β-strand | 45 | 1 | 1 |
| α-helix | 48-55 | 8 |
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|---|---|---|---|---|
| Trypsin inhibitor | A | protein | 58 | Bos taurus | P00974 (AlphaFold model) |
>5PTI_1 TRYPSIN INHIBITOR (chains A) RPDFCLEPPYTGPCKARIIRYFYNAKAGLCQTFVYGGCRAKRNNFKSAEDCMRTCGGA
| ID | Name | Formula | Copies |
|---|---|---|---|
| PO4 | Phosphate ion | O4 P | 1 |
Water and common crystallization additives (UNX) are not listed.
Structure of bovine pancreatic trypsin inhibitor. Results of joint neutron and X-ray refinement of crystal form II. Wlodawer, A., Walter, J., Huber, R. et al. J Mol Biol (1984) 180:301-329. DOI 10.1016/S0022-2836(84)80006-6 · PubMed
Other PDB entries of the same protein (UniProt P00974 (AlphaFold model), which also has an AlphaFold model), best resolution first:
5PTI is part of these collections:
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