3M0T

Crystal Structure of the R21D mutant of alpha-spectrin SH3 domain. Crystal obtained in ammonium sulphate at pH 9.

• PDB DOI: https://doi.org/10.2210/pdb3M0T/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Gallus gallus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-03-03 Released: 2011-01-19 
• Deposition Author(s): Camara-Artigas, A., Gavira, J.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.215 
• R-Value Work: 0.177 
• R-Value Observed: 0.179 

Literature

Understanding the polymorphic behaviour of a mutant of the alpha-spectrin SH3 domain by means of two 1.1 A structures

Camara-Artigas, A., Gavira, J.A., Casares, S., Garcia-Ruiz, J.M., Conejero-Lara, F., Allen, J.P., Martinez, J.

(2011) Acta Crystallogr D Biol Crystallogr 

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: 7.28 kDa 
• Atom Count: 493 
• Modelled Residue Count: 56 
• Deposited Residue Count: 62 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spectrin alpha chain, brain	A	62	Gallus gallus	Mutation(s): 1  Gene Names: SPTAN1, SPTA2
UniProt
Find proteins for P07751 (Gallus gallus) Explore P07751  Go to UniProtKB:  P07751

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.215 
• R-Value Work: 0.177 
• R-Value Observed: 0.179 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 34.621	α = 90
b = 42.211	β = 90
c = 49.104	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-19 
Deposition Author(s): Camara-Artigas, A., Gavira, J.A.

Revision History  

• Version 1.0: 2011-01-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2021-10-13
  Changes: Database references, Derived calculations, Experimental preparation
• Version 1.4: 2024-02-21
  Changes: Data collection