3RU4: Crystal structure of the Bowman-Birk serine protease inhibitor BTCI in complex with trypsin and chymotrypsin

PDB ID: 3RU4Download
MMDB ID: 102334
PDB Deposition Date: 2011/5/4
Updated in MMDB: 2023/09
Experimental Method:
x-ray diffraction
Resolution: 1.68  Å
Source Organism:
Bos taurus▼
Similar Structures:
Biological Unit for 3RU4: pentameric; determined by author and by software (PISA)
Molecular Components in 3RU4
Label Count Molecule
Proteins (5 molecules)
1
Cationic Trypsin
Molecule annotation
1
Bowman-birk Type Seed Trypsin and Chymotrypsin Inhibitor
Molecule annotation
1
Chymotrypsinogen a
Molecule annotation
1
Chymotrypsinogen a
Molecule annotation
1
Chymotrypsinogen a
Molecule annotation
Chemicals and Non-standard biopolymers (24 molecules)
1
6
GLYCEROLGLYCEROL
2
9
SULFATE IONSULFATE ION
3
6
1,2-ETHANEDIOL1,2-ETHANEDIOL
4
2
(4R)-2-METHYLPENTANE-2,4-DIOL(4R)-2-METHYLPENTANE-2,4-DIOL
5
1
CALCIUM IONCALCIUM ION
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303