4Q2K: Bovine alpha chymotrypsin bound to a cyclic peptide inhibitor, 5b

PDB ID: 4Q2KDownload
MMDB ID: 121755
PDB Deposition Date: 2014/4/9
Updated in MMDB: 2023/11
Experimental Method:
x-ray diffraction
Resolution: 2.2  Å
Source Organism:
Similar Structures:
Biological Unit for 4Q2K: dimeric; determined by author
Molecular Components in 4Q2K
Label Count Molecule
Proteins (2 molecules)
2
Chymotrypsinogen a
(Gene symbol: CTRB2)
Molecule annotation
Chemicals and Non-standard biopolymers (2 molecules)
1
2
(11S)-4,9-dioxo-N-[(2S)-1-oxo-3-phenylpropan-2-yl]-17,22-dioxa-10,30-diazatetracyclo[21.2.2.2~13,16~.1~5,8~]triaconta-1(25),5,7,13,15,23,26,28-octaene-11-carboxamide(11S)-4,9-dioxo-N-[(2S)-1-oxo-3-phenylpropan-2-yl]-17,22-dioxa-10,30-diazatetracyclo[21.2.2.2~13,16~.1~5,8~]triaconta-1(25),5,7,13,15,23,26,28-octaene-11-carboxamide
* 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