1LU0

Atomic Resolution Structure of Squash Trypsin Inhibitor: Unexpected Metal Coordination


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.03 Å
  • R-Value Free: 0.145
  • R-Value Work: 0.120

Literature

Macromolecules
Sequence Display for 1LU0

Classification: HYDROLASE INHIBITOR

Total Structure Weight: 6987.60

Macromolecule Entities
Molecule Chains Length Organism Details
Trypsin inhibitor I A, B 29 Cucurbita maxima Mutation: M8L
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
MRD
Query on MRD

B (4R)-2-METHYLPENTANE-2,4-DIOL
C6 H14 O2
SVTBMSDMJJWYQN-RXMQYKEDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.03 Å
  • R-Value Free: 0.145
  • R-Value Work: 0.120
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 47.28 α = 90.00
b = 58.63 β = 90.00
c = 19.32 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-21
  • Released Date: 2002-08-28
  • Deposition author(s): Thaimattam, R., Tykarska, E., Bierzynski, A., Sheldrick, G.M., Jaskolski, M.

Revision History

  • Version 1_0: 2002-08-28

    Type: Initial release

  • Version 1_1: 2008-04-28

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance

  • Version 1_3: 2016-01-20

    Type: Derived calculations