3QK1 image
Deposition Date 2011-01-31
Release Date 2011-03-23
Last Version Date 2024-10-09
Entry Detail
PDB ID:
3QK1
Keywords:
HYDROLASE
Title:
Crystal Structure of Enterokinase-like Trypsin Variant
Biological Source:
Source Organism:
Bos taurus (Taxon ID: 9913)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.08 Å
R-Value Free:
0.23
R-Value Work:
0.18
R-Value Observed:
0.18
Space Group:
P 21 21 21
3QK1 validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Cationic trypsin
Gene (Uniprot):PRSS1
Mutations:S96K, N97R, T98R, L99K
Chain IDs:A
Chain Length:229
Number of Molecules:1
Biological Source:Bos taurus
UniProt ID:P00760 Pfam ID:PF00089 EC:3.4.21.4
Ligand Molecules
BEN
CA
EDO
GOL
IMD
SO4
Primary Citation
Towards a restriction proteinase: construction of a self-activating enzyme.
Chembiochem 12 1523 1527 (2011)
PMID: 21387509 DOI: 10.1002/cbic.201000787
Primary Citation of related structures
3QK1