2W4P

Human common-type acylphosphatase variant, A99G


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.241 
  • R-Value Work: 0.187 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

A Rigidifying Salt-Bridge Favors the Activity of Thermophilic Enzyme at High Temperatures at the Expense of Low-Temperature Activity.

Lam, S.Y.Yeung, R.C.Y.Yu, T.Sze, K.H.Wong, K.B.

(2011) Plos Biol. 9: 1027

  • DOI: 10.1371/journal.pbio.1001027
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Thermophilic enzymes are often less active than their mesophilic homologues at low temperatures. One hypothesis to explain this observation is that the extra stabilizing interactions increase the rigidity of thermophilic enzymes and hence reduce thei ...

    Thermophilic enzymes are often less active than their mesophilic homologues at low temperatures. One hypothesis to explain this observation is that the extra stabilizing interactions increase the rigidity of thermophilic enzymes and hence reduce their activity. Here we employed a thermophilic acylphosphatase from Pyrococcus horikoshii and its homologous mesophilic acylphosphatase from human as a model to study how local rigidity of an active-site residue affects the enzymatic activity.


    Related Citations: 
    • Crystallization and Preliminary Crystallographic Analysis of Human Common-Type Acylphosphatase.
      Yeung, R.C.Y.,Lam, S.Y.,Wong, K.
      (2006) Acta Crystallogr.,Sect.F 62: 80


    Organizational Affiliation

    School of Life Sciences, Centre for Protein Science and Crystallography, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ACYLPHOSPHATASE-1
A
99Homo sapiensMutation(s): 1 
Gene Names: ACYP1 (ACYPE)
EC: 3.6.1.7
Find proteins for P07311 (Homo sapiens)
Go to Gene View: ACYP1
Go to UniProtKB:  P07311
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GOL
Query on GOL

Download SDF File 
Download CCD File 
A
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.241 
  • R-Value Work: 0.187 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 24.206α = 90.00
b = 57.339β = 90.00
c = 58.777γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
MOSFLMdata reduction
MOLREPphasing
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-12-29
    Type: Initial release
  • Version 1.1: 2012-02-01
    Type: Database references, Derived calculations, Version format compliance