1CSH

A very short hydrogen bond provides only moderate stabilization of an enzyme: inhibitor complex of citrate synthase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Observed: 0.164

Literature

Macromolecules
Sequence Display for 1CSH

Classification: LYASE(OXO-ACID)

Total Structure Weight: 49098.52

Macromolecule Entities
Molecule Chains Length Organism Details
CITRATE SYNTHASE A 435 Gallus gallus EC#: 2.3.3.1 IUBMB
Mutation: I9V, D12S, V32A, M41S, V52I, Y69F, M77L, K82G, E104P, L110V, H163N, L170F, I171V, C175A, E196A, A222P, V283L, T286S, E291D, V292L, K294A, V296A, H343S, D428A, I431E
Gene Name(s): CS Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A AMIDOCARBOXYMETHYLDETHIA COENZYME *A
C23 H39 N8 O17 P3
RMWCNISNSABOOL-GRFIIANRSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
OAA
Query on OAA

A OXALOACETATE ION
C4 H3 O5
KHPXUQMNIQBQEV-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
AMX N/A in BindingDB
Ki: 28 nM  BindingMOAD
Ki: 28 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Observed: 0.164
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 104.40 α = 90.00
b = 78.50 β = 78.90
c = 58.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-03-07
  • Released Date: 1994-04-30
  • Deposition author(s): Usher, K.C., Remington, S.J.

Revision History

  • Version 1_0: 1994-04-30

    Type: Initial release

  • Version 1_1: 2008-03-03

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance

  • Version 1_3: 2017-11-29

    Type: Derived calculations, Other