2A0T

NMR structure of the FHA1 domain of Rad53 in complex with a biological relevant phosphopeptide derived from Madt1

• PDB DOI: https://doi.org/10.2210/pdb2A0T/pdb

• Classification: TRANSFERASE
• Organism(s): Saccharomyces cerevisiae, Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2005-06-16 Released: 2005-11-08 
• Deposition Author(s): Mahajan, A., Yuan, C., Pike, B.L., Heierhorst, J., Chang, C.-F., Tsai, M.-D.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 20 
• Selection Criteria: structures with acceptable covalent geometry, structures with the least restraint violations, structures with the lowest energy 

Literature

FHA Domain-Ligand Interactions: Importance of Integrating Chemical and Biological Approaches

Mahajan, A., Yuan, C., Pike, B.L., Heierhorst, J., Chang, C.-F., Tsai, M.-D.

(2005) J Am Chem Soc 127: 14572-14573

• PubMed: 16231900 
• DOI: https://doi.org/10.1021/ja054538m
• Primary Citation of Related Structures:  
  2A0T


• PubMed Abstract: 
  

  Combinatorial library screens based on binding affinity may preferentially select ligands with ability for ionic interactions and miss the biologically relevant ligands that bind more weakly with predominantly hydrophobic interactions.

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Organizational Affiliation: 

Biophysics Program, The Ohio State University, Columbus, Ohio 43210, USA.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 18.34 kDa 
• Atom Count: 1,286 
• Modelled Residue Count: 161 
• Deposited Residue Count: 161 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase RAD53	A	151	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: SPK1 or Rad53 EC: 2.7.1.37 (PDB Primary Data), 2.7.12.1 (UniProt)
UniProt
Find proteins for P22216 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P22216  Go to UniProtKB:  P22216

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical 73.8 kDa protein in SAS3-SEC17 intergenic region, residues 301-310	B	10	N/A	Mutation(s): 1
UniProt
Find proteins for P34217 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P34217  Go to UniProtKB:  P34217

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TPO	B	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 20 
• Selection Criteria: structures with acceptable covalent geometry, structures with the least restraint violations, structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-11-08 
Deposition Author(s): Mahajan, A., Yuan, C., Pike, B.L., Heierhorst, J., Chang, C.-F., Tsai, M.-D.

Revision History  

• Version 1.0: 2005-11-08
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2022-03-09
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-11-13
  Changes: Data collection, Structure summary