4A1H

Human myelin P2 protein, K45S mutant

• PDB DOI: https://doi.org/10.2210/pdb4A1H/pdb

• Classification: TRANSPORT
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-09-15 Released: 2012-09-26 
• Deposition Author(s): Lehtimaki, M., Kursula, P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.252 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

Structure-Function Relationships in the Myelin Peripheral Membrane Protein P2

Lehtimaki, M., Kursula, P.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 45.82 kDa 
• Atom Count: 3,403 
• Modelled Residue Count: 399 
• Deposited Residue Count: 399 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MYELIN P2 PROTEIN	A, B, C	133	Homo sapiens	Mutation(s): 1
UniProt & NIH Common Fund Data Resources
Find proteins for P02689 (Homo sapiens) Explore P02689  Go to UniProtKB:  P02689
PHAROS:  P02689 GTEx:  ENSG00000147588

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLM	D [auth A], G [auth B], I [auth C]	PALMITIC ACID C16 H32 O2 IPCSVZSSVZVIGE-UHFFFAOYSA-N
GOL	E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	F [auth A], H [auth B], J [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.252 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 120.13	α = 90
b = 63.61	β = 130.1
c = 84.47	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-09-26 
Deposition Author(s): Lehtimaki, M., Kursula, P.

Revision History  

• Version 1.0: 2012-09-26
  Type: Initial release
  
• Version 1.1: 2019-07-17
  Changes: Data collection
• Version 1.2: 2020-04-08
  Changes: Other
• Version 1.3: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Refinement description