3FSL

Crystal structure of tyrosine aminotransferase tripple mutant (P181Q,R183G,A321K) from Escherichia coli at 2.35 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3FSL/pdb

• Classification: TRANSFERASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2009-01-09 Released: 2009-01-27 
• Deposition Author(s): Malashkevich, V.N., Ng, B., Kirsch, J.F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.260 
• R-Value Work: 0.213 
• R-Value Observed: 0.215 

Literature

Crystal structure of tyrosine aminotransferase tripple mutant (P181Q,R183G,A321K) from Escherichia coli at 2.35 A resolution

Malashkevich, V.N., Ng, B., Kirsch, J.F.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 262.81 kDa 
• Atom Count: 19,356 
• Modelled Residue Count: 2,382 
• Deposited Residue Count: 2,382 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aromatic-amino-acid aminotransferase	A, B, C, D, E, F	397	Escherichia coli K-12	Mutation(s): 3  Gene Names: b4054, JW4014, tat, tyrB EC: 2.6.1.57 (PDB Primary Data), 2.6.1.107 (UniProt)
UniProt
Find proteins for P04693 (Escherichia coli (strain K12)) Explore P04693  Go to UniProtKB:  P04693

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLR	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	(5-HYDROXY-4,6-DIMETHYLPYRIDIN-3-YL)METHYL DIHYDROGEN PHOSPHATE C8 H12 N O5 P RBCOYOYDYNXAFA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 0.260 
• R-Value Work: 0.213 
• R-Value Observed: 0.215 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.88	α = 90
b = 119.16	β = 90
c = 242.89	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-01-27 
Deposition Author(s): Malashkevich, V.N., Ng, B., Kirsch, J.F.

Revision History  

• Version 1.0: 2009-01-27
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2021-10-20
  Changes: Data collection, Database references, Derived calculations
• Version 1.3: 2024-10-30
  Changes: Data collection, Structure summary