1LK6

Structure of dimeric antithrombin complexed with a P14-P9 reactive loop peptide and an exogenous tripeptide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.266
  • R-Value Work: 0.202

Literature

Macromolecules
Sequence Display for 1LK6

Classification: HYDROLASE / HYDROLASE INHIBITOR

Total Structure Weight: 101061.90

Macromolecule Entities
Molecule Chains Length Organism Details
antithrombin-III I, L 432 Homo sapiens Gene Name(s): SERPINC1 Gene View AT3 PRO0309
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
antithrombin P14-P9 peptide C 7 synthetic
exogenous tripeptide formyl-MLF D 3 synthetic

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

I, L 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
C8 H15 N O6
OVRNDRQMDRJTHS-PVFLNQBWSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

I N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

C GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
ACE
Query on ACE
C NON-POLYMER C2 H4 O --
FME
Query on FME
D L-PEPTIDE LINKING C6 H11 N O3 S MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.266
  • R-Value Work: 0.202
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 68.81 α = 90.00
b = 99.91 β = 104.44
c = 87.29 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-04-24
  • Released Date: 2003-06-03
  • Deposition author(s): Zhou, A., Huntington, J.A., Lomas, D.A., Carrell, R.W., Stein, P.E.

Revision History

  • Version 1_0: 2003-06-03

    Type: Initial release

  • Version 1_1: 2008-04-02

    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