1TYB

STRUCTURAL ANALYSIS OF A SERIES OF MUTANTS OF TYROSYL-TRNA SYNTHETASE: ENHANCEMENT OF CATALYSIS BY HYDROPHOBIC INTERACTIONS

• PDB DOI: https://doi.org/10.2210/pdb1TYB/pdb

• Classification: AMINOACYL-TRNA SYNTHASE
• Organism(s): Geobacillus stearothermophilus
• Mutation(s): No 


• Deposited: 1992-07-06 Released: 1994-01-31 
• Deposition Author(s): Brown, K.A., De Meester, P., Blow, D.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Observed: 
  0.230 (Depositor) 

Literature

Structural Analysis of a Series of Mutants of Tyrosyl-tRNA Synthetase: Enhancement of Catalysis by Hydrophobic Interactions

Brown, K.A., De Meester, P., Fersht II, A.R., Blow, D.M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 36.46 kDa 
• Atom Count: 2,638 
• Modelled Residue Count: 317 
• Deposited Residue Count: 319 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TYROSYL-tRNA SYNTHETASE	A [auth E]	319	Geobacillus stearothermophilus	Mutation(s): 0  EC: 6.1.1.1
UniProt
Find proteins for P00952 (Geobacillus stearothermophilus) Explore P00952  Go to UniProtKB:  P00952

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TYR	B [auth E]	TYROSINE C9 H11 N O3 OUYCCCASQSFEME-QMMMGPOBSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Observed: 0.230 (Depositor) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.46	α = 90
b = 64.46	β = 90
c = 237.6	γ = 120

Software Package:

Software Name	Purpose
PROLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1994-01-31 
Deposition Author(s): Brown, K.A., De Meester, P., Blow, D.M.

Revision History  

• Version 1.0: 1994-01-31
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2024-02-14
  Changes: Data collection, Database references, Derived calculations, Other