8BX1

Oct4/Sox2 protein:DNA complex

• PDB DOI: https://doi.org/10.2210/pdb8BX1/pdb
• NAKB: 8BX1

• Classification: TRANSCRIPTION
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-12-07 Released: 2023-12-20 
• Deposition Author(s): Chojnowski, G., Wilmanns, M., Round, E.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.274 
• R-Value Work: 0.253 
• R-Value Observed: 0.254 

Literature

Crystal structure of Oct4-Soc2-HoxB1 complex

Chojnowski, G., Wilmanns, M., Round, E.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.56 kDa 
• Atom Count: 2,536 
• Modelled Residue Count: 246 
• Deposited Residue Count: 282 
• Unique protein chains: 2
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcription factor SOX-2	A [auth E]	83	Mus musculus	Mutation(s): 0  Gene Names: Sox2, Sox-2
UniProt & NIH Common Fund Data Resources
Find proteins for P48432 (Mus musculus) Explore P48432  Go to UniProtKB:  P48432
IMPC:  MGI:98364

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
POU domain, class 5, transcription factor 1	D [auth A]	155	Mus musculus	Mutation(s): 0  Gene Names: Pou5f1, Oct-3, Oct-4, Otf-3, Otf3
UniProt
Find proteins for P20263 (Mus musculus) Explore P20263  Go to UniProtKB:  P20263

Entity ID: 2
Molecule	Chains	Length	Organism	Image
HOXB1_r	B [auth D]	22	Mus musculus

Entity ID: 3
Molecule	Chains	Length	Organism	Image
HOXB1_f	C	22	Mus musculus

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.274 
• R-Value Work: 0.253 
• R-Value Observed: 0.254 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.199	α = 90
b = 65.892	β = 90
c = 126.92	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-20 
Deposition Author(s): Chojnowski, G., Wilmanns, M., Round, E.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-12-20
  Type: Initial release