3RXB

Crystal structure of Trypsin complexed with 4-guanidinobutanoic acid


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.173 
  • R-Value Work: 0.154 
  • R-Value Observed: 0.155 

wwPDB Validation 3D Report Full Report



Literature

In-crystal affinity ranking of fragment hit compounds reveals a relationship with their inhibitory activities

Yamane, J.Yao, M.Zhou, Y.Hiramatsu, Y.Fujiwara, K.Yamaguchi, T.Yamaguchi, H.Togame, H.Tsujishita, H.Takemoto, H.Tanaka, I.

(2011) J Appl Crystallogr 44: 798-804


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Cationic trypsinA223Bos taurusMutation(s): 0 
EC: 3.4.21.4
Find proteins for P00760 (Bos taurus)
Explore P00760 
Go to UniProtKB:  P00760
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ALG
Query on ALG

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A
4-carbamimidamidobutanoic acid
C5 H11 N3 O2
TUHVEAJXIMEOSA-UHFFFAOYSA-N
 Ligand Interaction
GOL
Query on GOL

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A
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
DMS
Query on DMS

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A
DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
 Ligand Interaction
CA
Query on CA

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A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
ALGIC50 :  2200000   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.173 
  • R-Value Work: 0.154 
  • R-Value Observed: 0.155 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 54.622α = 90
b = 58.357β = 90
c = 66.823γ = 90
Software Package:
Software NamePurpose
CrystalCleardata collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-08-24
    Type: Initial release