3F2U | pdb_00003f2u

Crystal structure of human chromobox homolog 1 (CBX1)

• PDB DOI: https://doi.org/10.2210/pdb3F2U/pdb

• Classification: PROTEIN BINDING
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-10-30 Released: 2008-11-25 
• Deposition Author(s): Amaya, M.F., Ravichandran, M., Tempel, W., Wernimont, A.K., Loppnau, P., Kozieradzki, I., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Bountra, C., Botchkarev, A., Min, J., Ouyang, H., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.274 (Depositor), 0.275 (DCC) 
• R-Value Work: 
  0.222 (Depositor), 0.224 (DCC) 
• R-Value Observed: 
  0.224 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of the complex of human chromobox homolog 1 (CBX1)

Ravichandran, M., Amaya, M.F., Tempel, W., Wernimont, A.K., Loppnau, P., Kozieradzki, I., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Bountra, C., Botchkarev, A., Min, J., Ouyang, H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 6.5 kDa 
• Atom Count: 421 
• Modeled Residue Count: 51 
• Deposited Residue Count: 55 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chromobox protein homolog 1	A	55	Homo sapiens	Mutation(s): 0  Gene Names: CBX1, CBX
UniProt & NIH Common Fund Data Resources
Find proteins for P83916 (Homo sapiens) Explore P83916  Go to UniProtKB:  P83916
PHAROS:  P83916 GTEx:  ENSG00000108468

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.274 (Depositor), 0.275 (DCC) 
• R-Value Work:  0.222 (Depositor), 0.224 (DCC) 
• R-Value Observed: 0.224 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.057	α = 90
b = 39.068	β = 137.03
c = 37.832	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-11-25 
Deposition Author(s): Amaya, M.F., Ravichandran, M., Tempel, W., Wernimont, A.K., Loppnau, P., Kozieradzki, I., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Bountra, C., Botchkarev, A., Min, J., Ouyang, H., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2008-11-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Refinement description