4UFE

Thrombin in complex with (2R)-2-(benzylsulfonylamino)-N-(2-((4- carbamimidoylphenyl)methylamino)-2-oxo-butyl)-3-phenyl-propanamide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.59 Å
  • R-Value Free: 0.182 
  • R-Value Work: 0.158 
  • R-Value Observed: 0.159 

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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Boosting Affinity by Correct Ligand Preorganization for the S2 Pocket of Thrombin: A Study by Isothermal Titration Calorimetry, Molecular Dynamics, and High-Resolution Crystal Structures.

Ruhmann, E.H.Rupp, M.Betz, M.Heine, A.Klebe, G.

(2016) ChemMedChem 11: 309

  • DOI: 10.1002/cmdc.201500531
  • Primary Citation of Related Structures:  
    4UFD, 4UFE, 4UFF, 4UFG

  • PubMed Abstract: 
  • Structural preorganization to fix bioactive conformations at protein binding sites is a popular strategy to enhance binding affinity during late-stage optimization. The rationale for this enhancement relates to entropic advantages assigned to rigidified versus flexible ligands ...

    Structural preorganization to fix bioactive conformations at protein binding sites is a popular strategy to enhance binding affinity during late-stage optimization. The rationale for this enhancement relates to entropic advantages assigned to rigidified versus flexible ligands. We analyzed a narrow series of peptidomimetics binding to thrombin. The individual ligands exhibit at P2 a conformationally flexible glycine, more restricted alanine, N-methylglycine, N-methylhomoalanine, and largely rigidified proline moiety. Overall, affinity was found to increase by a factor of 1000, explained partly by an entropic advantage. All ligands adopt the same binding mode with small deviations. The residual mobility of the bound ligands is decreased across the series, and a protein side chain differs in its order/disorder behavior along with changes in the surface-water network pattern established across the newly generated protein-ligand surfaces. The enthalpy/entropy inventory displays a rather complex picture and emphasizes that thermodynamics can only be compared in terms of relative differences within a structurally similar ligand series.


    Organizational Affiliation

    Institute of Pharmaceutical Chemistry, Philipps University Marburg, Marbacher Weg 6, 35037, Marburg, Germany. klebe@mailer.uni-marburg.de.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
THROMBIN HEAVY CHAINA [auth H]258Homo sapiensMutation(s): 0 
Gene Names: F2
EC: 3.4.21.5
UniProt & NIH Common Fund Data Resources
Find proteins for P00734 (Homo sapiens)
Explore P00734 
Go to UniProtKB:  P00734
PHAROS:  P00734
Protein Feature View
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  • Reference Sequence
  • Find similar proteins by:  Sequence   |   Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
HIRUDIN VARIANT-2B [auth I]12Hirudo medicinalisMutation(s): 0 
UniProt
Find proteins for P09945 (Hirudo medicinalis)
Explore P09945 
Go to UniProtKB:  P09945
Protein Feature View
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
THROMBIN LIGHT CHAINC [auth L]29Homo sapiensMutation(s): 0 
Gene Names: F2
EC: 3.4.21.5
UniProt & NIH Common Fund Data Resources
Find proteins for P00734 (Homo sapiens)
Explore P00734 
Go to UniProtKB:  P00734
PHAROS:  P00734
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
3ZD (Subject of Investigation/LOI)
Query on 3ZD

Download Ideal Coordinates CCD File 
F [auth H](2R)-N-[(2S)-1-[(4-carbamimidoylphenyl)methylamino]-1-oxidanylidene-propan-2-yl]-3-phenyl-2-[(phenylmethyl)sulfonylamino]propanamide
C27 H31 N5 O4 S
HERCRKHUDSPBLM-YADARESESA-N
 Ligand Interaction
NAG (Subject of Investigation/LOI)
Query on NAG

Download Ideal Coordinates CCD File 
H2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
PO4
Query on PO4

Download Ideal Coordinates CCD File 
G [auth H]PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
NA
Query on NA

Download Ideal Coordinates CCD File 
D [auth H], E [auth H]SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
TYS
Query on TYS
B [auth I]L-PEPTIDE LINKINGC9 H11 N O6 STYR
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.59 Å
  • R-Value Free: 0.182 
  • R-Value Work: 0.158 
  • R-Value Observed: 0.159 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 70.006α = 90
b = 71.36β = 100.5
c = 72.524γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment  



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2016-01-27
    Type: Initial release
  • Version 1.1: 2016-03-02
    Changes: Database references
  • Version 1.2: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Data collection, Derived calculations, Other, Structure summary