4A8Z

Human myelin P2 protein, K112Q mutant

• PDB DOI: https://doi.org/10.2210/pdb4A8Z/pdb

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


• Deposited: 2011-11-22 Released: 2012-12-05 
• Deposition Author(s): Lehtimaki, M., Ruskamo, S., Kursula, P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.203 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 

Starting Model: experimental

Literature

Structure-Function Relationships in the Myelin Peripheral Membrane Protein P2

Lehtimaki, M., Ruskamo, S., Kursula, P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 15.91 kDa 
• Atom Count: 1,358 
• Modelled Residue Count: 133 
• Deposited Residue Count: 133 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MYELIN P2 PROTEIN	A	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	B [auth A]	PALMITIC ACID C16 H32 O2 IPCSVZSSVZVIGE-UHFFFAOYSA-N
SO4	F [auth A], G [auth A], H [auth A], I [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	C [auth A], D [auth A], E [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.203 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.71	α = 90
b = 65.71	β = 90
c = 101.19	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: 2012-12-05 
Deposition Author(s): Lehtimaki, M., Ruskamo, S., Kursula, P.

Revision History  

• Version 1.0: 2012-12-05
  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