2Y7I

Structural basis for high arginine specificity in Salmonella typhimurium periplasmic binding protein STM4351.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.198 
  • R-Value Observed: 0.199 

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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Crystallographic and Microcalorimetric Analyses Reveal the Structural Basis for High Arginine Specificity in the Salmonella Enterica Serovar Typhimurium Periplasmic Binding Protein Stm4351.

Stamp, A.L.Owen, P.El Omari, K.Lockyer, M.Lamb, H.K.Charles, I.G.Hawkins, A.R.Stammers, D.K.

(2011) Proteins 79: 2352


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
STM4351A, B229Salmonella enterica subsp. enterica serovar TyphimuriumMutation(s): 0 
UniProt
Find proteins for Q8ZKA9 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore Q8ZKA9 
Go to UniProtKB:  Q8ZKA9
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ARG (Subject of Investigation/LOI)
Query on ARG

Download Ideal Coordinates CCD File 
C [auth A], I [auth B]ARGININE
C6 H15 N4 O2
ODKSFYDXXFIFQN-BYPYZUCNSA-O
 Ligand Interaction
GOL
Query on GOL

Download Ideal Coordinates CCD File 
H [auth A], M [auth B]GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
ZN
Query on ZN

Download Ideal Coordinates CCD File 
D [auth A], E [auth A], F [auth A], J [auth B], K [auth B], N [auth B]ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
ACT
Query on ACT

Download Ideal Coordinates CCD File 
G [auth A], L [auth B]ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
ARGKd :  2900   nM  PDBBind
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.226 
  • R-Value Work: 0.198 
  • R-Value Observed: 0.199 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.317α = 90
b = 56.331β = 100.17
c = 88.37γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing

Structure Validation

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Ligand Structure Quality Assessment  



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-05-11
    Type: Initial release
  • Version 1.1: 2011-06-16
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance