2D66

Aspartate Aminotransferase Mutant MAB

• PDB DOI: https://doi.org/10.2210/pdb2D66/pdb

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


• Deposited: 2005-11-09 Released: 2006-11-14 
• Deposition Author(s): Tanaka, Y., Nakagawa, N., Tada, H., Yano, T., Masui, R., Kuramitsu, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free: 0.216 
• R-Value Work: 0.177 
• R-Value Observed: 0.177 

Literature

The Structures of Aspartate Aminotransferase with Mutations of Non-Active-Site Residues

Tanaka, Y., Nakagawa, N., Tada, H., Yano, T., Masui, R., Kuramitsu, S.

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,PQS (software)

Macromolecule Content

• Total Structure Weight: 43.92 kDa 
• Atom Count: 3,309 
• Modelled Residue Count: 396 
• Deposited Residue Count: 396 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aspartate aminotransferase	A	396	Escherichia coli	Mutation(s): 9  Gene Names: aspC EC: 2.6.1.1 (PDB Primary Data), 2.6.1 (UniProt)
UniProt
Find proteins for Q304P7 (Escherichia coli) Explore Q304P7  Go to UniProtKB:  Q304P7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	C [auth A]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.18 Å
• R-Value Free: 0.216 
• R-Value Work: 0.177 
• R-Value Observed: 0.177 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 157.484	α = 90
b = 85.218	β = 90
c = 78.612	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-11-14 
Deposition Author(s): Tanaka, Y., Nakagawa, N., Tada, H., Yano, T., Masui, R., Kuramitsu, S.

Revision History  

• Version 1.0: 2006-11-14
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2021-11-10
  Changes: Database references, Derived calculations