1ALH

KINETICS AND CRYSTAL STRUCTURE OF A MUTANT E. COLI ALKALINE PHOSPHATASE (ASP-369-->ASN): A MECHANISM INVOLVING ONE ZINC PER ACTIVE SITE

Structural Biology Knowledgebase: 1ALH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.189

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1ALH

Classification: HYDROLASE (PHOSPHORIC MONOESTER)

Total Structure Weight: 94048.02

Macromolecule Entities
Molecule Chains Length Organism Details
ALKALINE PHOSPHATASE A, B 446 Escherichia coli EC#: 3.1.3.1 IUBMB
Mutation: Q230E, D369N
Gene Name(s): phoA b0383 JW0374

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PO4
Query on PO4

A, B PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer
 
JSmol
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
JSmol
ZN
Query on ZN

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
JSmol

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.189
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 194.39 α = 90.00
b = 167.25 β = 90.00
c = 76.32 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-08-23
  • Released Date: 1995-02-27
  • Deposition author(s): Tibbitts, T.T., Xu, X., Kantrowitz, E.R.

Revision History

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