1ASC | pdb_00001asc

THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE D223A(D222A) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE

PDB DOI: https://doi.org/10.2210/pdb1ASC/pdb

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

Deposited: 1993-08-27 Released: 1994-04-30
Deposition Author(s): Schumacher, C., Ringe, D.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Work:
0.214 (Depositor)
R-Value Observed:
0.214 (Depositor)

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This is version 1.4 of the entry. See complete history.

Literature

The Structural Basis for the Reduced Activity of the D223A(D222A) Active Site Mutant of E. Coli Aspartate Aminotransferase

Schumacher, C., Ringe, D.

To be published.

Macromolecule Content

Total Structure Weight: 43.84 kDa
Atom Count: 3,105
Modeled Residue Count: 396
Deposited Residue Count: 396
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ASPARTATE AMINOTRANSFERASE	A	396	Escherichia coli	Mutation(s): 1 EC: 2.6.1.1
UniProt
Find proteins for P00509 (Escherichia coli (strain K12)) Explore P00509 Go to UniProtKB: P00509
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P00509
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NPL Query on NPL Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	N-METHYL-4-DEOXY-4-AMINO-PYRIDOXAL-5-PHOSPHATE C₉ H₁₆ N₂ O₅ P BDHMQTZHNOSTBZ-UHFFFAOYSA-O		Interactions Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Work: 0.214 (Depositor)
R-Value Observed: 0.214 (Depositor)

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 157.5	α = 90
b = 85	β = 90
c = 78.6	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

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Entry History

Deposition Data

Released Date: 1994-04-30

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 1994-04-30
Type: Initial release
Version 1.1: 2008-03-03
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Derived calculations, Version format compliance
Version 1.3: 2012-07-25
Changes: Structure summary
Version 1.4: 2024-02-07
Changes: Data collection, Database references, Derived calculations, Other

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.