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CRYSTAL STRUCTURE OF HUMAN ERYTHROCYTE CATALASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.75 Å
  • R-Value Free: 0.272 
  • R-Value Work: 0.206 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Structure of human erythrocyte catalase.

Ko, T.P.Safo, M.K.Musayev, F.N.Di Salvo, M.L.Wang, C.Wu, S.H.Abraham, D.J.

(2000) Acta Crystallogr.,Sect.D 56: 241-245


  • PubMed Abstract: 
  • Catalase (E.C. 1.11.1.6) was purified from human erythrocytes and crystallized in three different forms: orthorhombic, hexagonal and tetragonal. The structure of the orthorhombic crystal form of human erythrocyte catalase (HEC), with space group P2(1 ...

    Catalase (E.C. 1.11.1.6) was purified from human erythrocytes and crystallized in three different forms: orthorhombic, hexagonal and tetragonal. The structure of the orthorhombic crystal form of human erythrocyte catalase (HEC), with space group P2(1)2(1)2(1) and unit-cell parameters a = 84.9, b = 141.7, c = 232.5 A, was determined and refined with 2.75 A resolution data. Non-crystallographic symmetry restraints were employed and the resulting R value and R(free) were 0.206 and 0.272, respectively. The overall structure and arrangement of HEC molecules in the orthorhombic unit cell were very similar to those of bovine liver catalase (BLC). However, no NADPH was observed in the HEC crystal and a water was bound to the active-site residue His75. Conserved lattice interactions suggested a common growth mechanism for the orthorhombic crystals of HEC and BLC.


    Organizational Affiliation

    Institute of Biological Chemistry, Academia Sinica, Taipei 11529, Taiwan. kotping@gate.sinica.edu.tw




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CATALASE
A, B, C, D
527Homo sapiensGene Names: CAT
EC: 1.11.1.6
Find proteins for P04040 (Homo sapiens)
Go to Gene View: CAT
Go to UniProtKB:  P04040
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
HEM
Query on HEM

Download SDF File 
Download CCD File 
A, B, C, D
PROTOPORPHYRIN IX CONTAINING FE
HEME
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.75 Å
  • R-Value Free: 0.272 
  • R-Value Work: 0.206 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 84.904α = 90.00
b = 141.674β = 90.00
c = 232.460γ = 90.00
Software Package:
Software NamePurpose
AMoREphasing
X-PLORrefinement
bioteXdata scaling
bioteXdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-06-14
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2017-10-04
    Type: Refinement description