Atomic resolution crystal structure of hv-bbi protease inhibitor from amphibian skin in complex with bovine trypsin

Structure

x-ray diffraction · 2 distinct chains · 10% helix, 36% strand (DSSP).

Ligands and binding sites

• CA · Calcium ion · metal · chains A
• SO4 · Sulfate ion · ion · chains A
• EDO · 1,2-ethanediol · additive · 9 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Interfaces

1 interface between chains.

• B–A · 716 Ų buried · 19 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 7 disulfide (disulfide).

Compared structures

• 4U2W · Atomic resolution crystal structure of HV-BBI protease inhibitor from amphibian skin in… · the same entry in another collection · chain B against B, TM-score 1.00
• 1TNG · Prediction of novel serine protease inhibitors · a predicted model of the same protein · chain A against A, TM-score 1.00
• 1TNK · Prediction of novel serine protease inhibitors · a predicted model of the same protein · chain A against A, TM-score 1.00
• 1TNJ · Prediction of novel serine protease inhibitors · a predicted model of the same protein · chain A against A, TM-score 1.00
• 1TNH · Prediction of novel serine protease inhibitors · a predicted model of the same protein · chain A against A, TM-score 1.00
• 1TNL · Prediction of novel serine protease inhibitors · a predicted model of the same protein · chain A against A, TM-score 1.00
• 1TNI · Prediction of novel serine protease inhibitors · a predicted model of the same protein · chain A against A, TM-score 1.00

Analyse

• Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
• Every structure of UniProt B1VC43
• Every structure of UniProt P00760
• Elsewhere: RCSB PDB 4U2W · PDBe 4U2W · UniProt B1VC43 · UniProt P00760