2KHW

Solution Structure of the human Polymerase iota UBM2-Ubiquitin Complex

• PDB DOI: https://doi.org/10.2210/pdb2KHW/pdb

• Classification: Transferase/protein binding
• Organism(s): Streptococcus sp. 'group G, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-04-13 Released: 2010-02-23 
• Deposition Author(s): Bomar, M.G., D'Souza, S., Bienko, M., Dikic, I., Walker, G.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 40 
• Conformers Submitted: 25 
• Selection Criteria: structures with the lowest energy 

Literature

Solution Structure of the human Polymerase iota UBM2-Ubiquitin Complex

Bomar, M.G., D'Souza, S., Bienko, M., Dikic, I., Walker, G., Zhou, P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 21.21 kDa 
• Atom Count: 858 
• Modelled Residue Count: 106 
• Deposited Residue Count: 187 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunoglobulin G-binding protein G, DNA polymerase iota	A	108	Streptococcus sp. 'group G, Homo sapiens This entity is chimeric	Mutation(s): 0  Gene Names: spg, POLI EC: 2.7.7.7
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UNA4 (Homo sapiens) Explore Q9UNA4  Go to UniProtKB:  Q9UNA4
PHAROS:  Q9UNA4 GTEx:  ENSG00000101751
Find proteins for P19909 (Streptococcus sp. group G) Explore P19909  Go to UniProtKB:  P19909
UniProt Groups	Q9UNA4P19909

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Ubiquitin	B	79	Homo sapiens	Mutation(s): 0  Gene Names: RPS27A, UBA80, UBCEP1, UBA52, UBCEP2, UBB, UBC
UniProt & NIH Common Fund Data Resources
Find proteins for P0CG47 (Homo sapiens) Explore P0CG47  Go to UniProtKB:  P0CG47
PHAROS:  P0CG47 GTEx:  ENSG00000170315

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 40 
• Conformers Submitted: 25 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-02-23 
Deposition Author(s): Bomar, M.G., D'Souza, S., Bienko, M., Dikic, I., Walker, G.

Revision History  

• Version 1.0: 2010-02-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2022-03-16
  Changes: Data collection, Database references, Derived calculations
• Version 1.3: 2024-05-22
  Changes: Data collection