2JM8

R21A Spc-SH3 free

• PDB DOI: https://doi.org/10.2210/pdb2JM8/pdb
• BMRB: 7305

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


• Deposited: 2006-10-25 Released: 2007-04-24 
• Deposition Author(s): van Nuland, N.A.J., Casares, S., Ab, E., Eshuis, H., Lopez-Mayorga, O., Conejero-Lara, F.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Literature

The high-resolution NMR structure of the R21A Spc-SH3:P41 complex: Understanding the determinants of binding affinity by comparison with Abl-SH3

Casares, S., Ab, E., Eshuis, H., Lopez-Mayorga, O., van Nuland, N.A.J., Conejero-Lara, F.

(2007) BMC Struct Biol 7: 22-22

• PubMed: 17407569 
• DOI: https://doi.org/10.1186/1472-6807-7-22
• Primary Citation of Related Structures:  
  2JM8, 2JM9, 2JMA


• PubMed Abstract: 
  

  SH3 domains are small protein modules of 60-85 amino acids that bind to short proline-rich sequences with moderate-to-low affinity and specificity. Interactions with SH3 domains play a crucial role in regulation of many cellular processes (some are related to cancer and AIDS) and have thus been interesting targets in drug design. The decapeptide APSYSPPPPP (p41) binds with relatively high affinity to the SH3 domain of the Abl tyrosine kinase (Abl-SH3), while it has a 100 times lower affinity for the alpha-spectrin SH3 domain (Spc-SH3).

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Organizational Affiliation: 

Departamento de Química Física e Instituto de Biotecnología, Facultad de Ciencias, Universidad de Granada, Granada, Spain. [e-mail]

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 7.14 kDa 
• Atom Count: 502 
• Modelled Residue Count: 62 
• 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

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-04-24 
Deposition Author(s): van Nuland, N.A.J., Casares, S., Ab, E., Eshuis, H., Lopez-Mayorga, O., Conejero-Lara, F.

Revision History  

• Version 1.0: 2007-04-24
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-10-20
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2023-12-20
  Changes: Data collection, Other