1GS9

Apolipoprotein E4, 22k domain

• PDB DOI: https://doi.org/10.2210/pdb1GS9/pdb

• Classification: LIPID BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2002-01-02 Released: 2003-06-11 
• Deposition Author(s): Verderame, J.R., Kantardjieff, K., Segelke, B., Weisgraber, K., Rupp, B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.247 
• R-Value Work: 0.218 
• R-Value Observed: 0.219 

Starting Model: experimental

Literature

Crystal Structure of the 22K Domain of Human Apolipoprotein E4

Verderame, J.R., Kantardjieff, K., Segelke, B., Weisgraber, K., Rupp, B.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 19.35 kDa 
• Atom Count: 1,433 
• Modelled Residue Count: 144 
• Deposited Residue Count: 165 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
APOLIPOPROTEIN E	A	165	Homo sapiens	Mutation(s): 1
UniProt & NIH Common Fund Data Resources
Find proteins for P02649 (Homo sapiens) Explore P02649  Go to UniProtKB:  P02649
PHAROS:  P02649 GTEx:  ENSG00000130203

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.247 
• R-Value Work: 0.218 
• R-Value Observed: 0.219 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.511	α = 90
b = 53.089	β = 90
c = 73.372	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
EPMR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-06-11 
Deposition Author(s): Verderame, J.R., Kantardjieff, K., Segelke, B., Weisgraber, K., Rupp, B.

Revision History  

• Version 1.0: 2003-06-11
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description