1EKB

THE SERINE PROTEASE DOMAIN OF ENTEROPEPTIDASE BOUND TO INHIBITOR VAL-ASP-ASP-ASP-ASP-LYS-CHLOROMETHANE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.269
  • R-Value Work: 0.234

Literature

Macromolecules
Sequence Display for 1EKB

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 28574.47

Macromolecule Entities
Molecule Chains Length Organism Details
ENTEROPEPTIDASE A 13 Bos taurus EC#: 3.4.21.9 IUBMB
Fragment: 13-AMINO ACID REMNANT OF AMINO TERMINAL DOMAIN OF HEAVY CHAIN
Gene Name(s): TMPRSS15 Gene View ENTK PRSS7
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
ENTEROPEPTIDASE B 235 Bos taurus EC#: 3.4.21.9 IUBMB
Fragment: SERINE PROTEASE DOMAIN OR LIGHT CHAIN
Gene Name(s): TMPRSS15 Gene View ENTK PRSS7
VAL-ASP-ASP-ASP-ASP-LYK PEPTIDE C 7 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
ZN
Query on ZN

B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
LYK
Query on LYK
C peptide-like C6 H16 N2 O2 LYS
0QE
Query on 0QE
C NON-POLYMER C H3 Cl --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.269
  • R-Value Work: 0.234
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 39.99 α = 90.00
b = 70.65 β = 90.00
c = 85.22 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-05-02
  • Released Date: 1999-10-14
  • Deposition author(s): Fuetterer, K., Lu, D., Sadler, J.E., Waksman, G.

Revision History

  • Version 1_0: 1999-10-14

    Type: Initial release

  • Version 1_1: 2008-04-26

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance