5J4O

Structure of human erythrocytic Spectrin alpha chain repeats 16-17

• PDB DOI: https://doi.org/10.2210/pdb5J4O/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2016-04-01 Released: 2017-04-12 
• Deposition Author(s): Cutts, E.E., Vakonakis, I.
• Funding Organization(s): Wellcome Trust

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.229 
• R-Value Work: 0.209 
• R-Value Observed: 0.210 

Starting Model: experimental

Literature

Interactions of Plasmodium falciparum KAHRP and PfEMP1 with the host cytoskeleton suggest a model for cytoadherent protrusions on the infected erythrocyte surface

Cutts, E.E., Laasch, N., Reiter, D.M., Trenker, R., Slater, L.M., Stansfeld, P.J., Vakonakis, I.

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)

Macromolecule Content

• Total Structure Weight: 27.39 kDa 
• Atom Count: 2,165 
• Modelled Residue Count: 222 
• Deposited Residue Count: 231 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spectrin alpha chain, erythrocytic 1	A	231	Homo sapiens	Mutation(s): 0  Gene Names: SPTA1, SPTA
UniProt & NIH Common Fund Data Resources
Find proteins for P02549 (Homo sapiens) Explore P02549  Go to UniProtKB:  P02549
GTEx:  ENSG00000163554

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PG4	F [auth A], G [auth A]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
EDO	B [auth A], C [auth A], D [auth A], E [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.229 
• R-Value Work: 0.209 
• R-Value Observed: 0.210 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.64	α = 90
b = 43.67	β = 90
c = 154.28	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-04-12 
Deposition Author(s): Cutts, E.E., Vakonakis, I.

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Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	088497/Z/09/Z

Revision History  

• Version 1.0: 2017-04-12
  Type: Initial release
  
• Version 1.1: 2024-01-10
  Changes: Data collection, Database references, Refinement description