1JBL: Cyclic trypsin inhibitor
Solution structure of SFTI-1, A cyclic trypsin inhibitor from sunflower seeds. Determined by solution NMR. Released 22 Aug 2001.
- Method
- Solution NMR
- Organism
- Helianthus annuus
- Chains
- 1
- Atoms
- 105
- Mol. weight
- 1.54 kDa
- Released
- 22 Aug 2001
Explore 1JBL in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
1JBL contains 0 α-helices and 2 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.
Chain A: 0 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3 | 1 | 1 |
| β-strand | 11 | 1 | 1 |
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| Cyclic trypsin inhibitor | A | protein | 14 | Helianthus annuus | Q4GWU5 (AlphaFold model) |
Sequence of entity 1 (A), FASTA
>1JBL_1 CYCLIC TRYPSIN INHIBITOR (chains A)
GRCTKSIPPICFPD
Primary citation
Solution structures by 1H NMR of the novel cyclic trypsin inhibitor SFTI-1 from sunflower seeds and an acyclic permutant. Korsinczky, M.L., Schirra, H.J., Rosengren, K.J. et al. J Mol Biol (2001) 311:579-591. DOI 10.1006/jmbi.2001.4887 · PubMed
Other PDB entries of the same protein (UniProt Q4GWU5 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 4XOJ 0.91 Å, Structure of bovine trypsin in complex with analogues of sunflower inhibitor 1 (SFTI-1)
- 4K8Y 1.0 Å, Atomic resolution crystal structures of Kallikrein-Related Peptidase 4 complexed with…
- 9YB9 1.13 Å, SFTI-1 containing L-2-Thiaproline at residue 13 in complex with Trypsin
- 4KEL 1.15 Å, Atomic resolution crystal structure of Kallikrein-Related Peptidase 4 complexed with a…
- 9YBA 1.17 Å, SFTI-1 containing L-2-Selenaproline at residue 8 in complex with Trypsin
- 9YB8 1.22 Å, SFTI-1 containing L-2-Thiaproline at residue 9 in complex with Trypsin
- 4HGC 1.29 Å, Crystal structure of bovine trypsin complexed with sfti-1 analog containing a peptoid…
- 4K1E 1.3 Å, Atomic resolution crystal structures of Kallikrein-Related Peptidase 4 complexed with a…
- 6D3Y 1.32 Å, Highly Potent and Selective Plasmin Inhibitors Based on the Sunflower Trypsin…
- 6VXY 1.4 Å, Triazole bridged SFTI1 inhibitor in complex with beta-trypsin
- 6U22 1.42 Å, Crystal structure of SFTI-triazole inhibitor in complex with beta-trypsin
- 6D40 1.43 Å, Highly Potent and Selective Plasmin Inhibitors Based on the Sunflower Trypsin…
Browse structure collections
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