3POM

Crystal Structure of the Unliganded Retinoblastoma Protein Pocket Domain

• PDB DOI:  https://doi.org/10.2210/pdb3POM/pdb

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


• Deposited: 2010-11-23 Released: 2011-04-27 
• Deposition Author(s): Balog, E.R.M., Burke, J.R., Rubin, S.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.262 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 

Literature

Crystal structure of the unliganded retinoblastoma protein pocket domain.

Balog, E.R., Burke, J.R., Hura, G.L., Rubin, S.M.

(2011) Proteins 79: 2010-2014

• PubMed: 21491492 
• DOI: https://doi.org/10.1002/prot.23007
• Primary Citation of Related Structures:  
  3POM

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 82.43 kDa 
• Atom Count: 5,731 
• Modelled Residue Count: 674 
• Deposited Residue Count: 704 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Retinoblastoma-associated protein	A, B	352	Homo sapiens	Mutation(s): 0  Gene Names: RB1
UniProt & NIH Common Fund Data Resources
Find proteins for P06400 (Homo sapiens) Explore P06400  Go to UniProtKB:  P06400
PHAROS:  P06400

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.262 
• R-Value Work: 0.213 
• R-Value Observed: 0.213 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.282	α = 90
b = 111.164	β = 90
c = 138.93	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-27 
Deposition Author(s): Balog, E.R.M., Burke, J.R., Rubin, S.M.

Revision History  

• Version 1.0: 2011-04-27
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-08-09
  Changes: Refinement description, Source and taxonomy
• Version 1.3: 2017-11-08
  Changes: Refinement description