1AJB

THREE-DIMENSIONAL STRUCTURE OF THE D153G MUTANT OF E. COLI ALKALINE PHOSPHATASE: A MUTANT WITH WEAKER MAGNESIUM BINDING AND INCREASED CATALYTIC ACTIVITY

Structural Biology Knowledgebase: 1AJB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.162

Literature

Macromolecules
Sequence Display for 1AJB

Classification: NON SPECIFIC MONO-ESTERASE

Total Structure Weight: 94577.94

Macromolecule Entities
Molecule Chains Length Organism Details
ALKALINE PHOSPHATASE A, B 449 Escherichia coli EC#: 3.1.3.1 IUBMB
Mutation: D153G, Q230E
Details: MUTANT WITH 4-FOLD INCREASED ACTIVITY AND WEAKER MG BINDING
Gene Name(s): phoA b0383 JW0374
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.162
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 195.02 α = 90.00
b = 166.93 β = 90.00
c = 76.44 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-08-19
  • Released Date: 1995-11-14
  • Deposition author(s): Dealwis, C.G., Chen, L., Abad-Zapatero, C.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4