8W8G

Crystal structure of human TRF1 with PinX1

• PDB DOI: https://doi.org/10.2210/pdb8W8G/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-09-02 Released: 2024-09-04 
• Deposition Author(s): Lei, M., Wu, J.
• Funding Organization(s): National Science Foundation (NSF, China)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.263 
• R-Value Work: 0.227 
• R-Value Observed: 0.229 

Starting Model: experimental

Literature

PinX1 suppress tumorigenesis through inhibiting telomerase activity

Lei, M., Wu, J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 107.38 kDa 
• Atom Count: 7,064 
• Modelled Residue Count: 868 
• Deposited Residue Count: 928 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Telomeric repeat-binding factor 1	A, B, C, D	212	Homo sapiens	Mutation(s): 0  Gene Names: TERF1
UniProt & NIH Common Fund Data Resources
Find proteins for P54274 (Homo sapiens) Explore P54274  Go to UniProtKB:  P54274
PHAROS:  P54274 GTEx:  ENSG00000147601

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PIN2/TERF1-interacting telomerase inhibitor 1	E, F, G, H	20	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEZ	I [auth A], J [auth B], K [auth C], L [auth D]	HEXANE-1,6-DIOL C6 H14 O2 XXMIOPMDWAUFGU-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.263 
• R-Value Work: 0.227 
• R-Value Observed: 0.229 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 87.396	α = 90
b = 89.195	β = 90
c = 113.716	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
PHASER	phasing
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-04 
Deposition Author(s): Lei, M., Wu, J.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	--

Revision History  

• Version 1.0: 2024-09-04
  Type: Initial release