9I8A | pdb_00009i8a

NXT1-NXF1 complex crystallized in space group P65 2 2

• PDB DOI: https://doi.org/10.2210/pdb9I8A/pdb

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


• Deposited: 2025-02-04 Released: 2025-05-14 
• Deposition Author(s): Koekemoer, L., Fairhead, M., Wright, N.D., Bowesman-Jones, H.J., Adams, C.J., Von Delft, F.
• Funding Organization(s): Cancer Research UK, National Institutes of Health/National Cancer Institute (NIH/NCI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.201 (Depositor), 0.201 (DCC) 
• R-Value Work: 
  0.170 (Depositor), 0.170 (DCC) 

Starting Model: experimental

Literature

NXT1-NXF1 complex crystallized in space group P65 2 2

Koekemoer, L., Fairhead, M., Wright, N.D., Bowesman-Jones, H.J., Adams, C.J., Von Delft, F.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 36.82 kDa 
• Atom Count: 2,755 
• Modeled Residue Count: 322 
• Deposited Residue Count: 328 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nuclear RNA export factor 1	A [auth B]	190	Homo sapiens	Mutation(s): 0  Gene Names: NXF1, TAP
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UBU9 (Homo sapiens) Explore Q9UBU9  Go to UniProtKB:  Q9UBU9
PHAROS:  Q9UBU9 GTEx:  ENSG00000162231

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
NTF2-related export protein 1	B [auth A]	138	Homo sapiens	Mutation(s): 0  Gene Names: NXT1
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UKK6 (Homo sapiens) Explore Q9UKK6  Go to UniProtKB:  Q9UKK6
PHAROS:  Q9UKK6 GTEx:  ENSG00000132661

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.201 (Depositor), 0.201 (DCC) 
• R-Value Work:  0.170 (Depositor), 0.170 (DCC) 

Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.332	α = 90
b = 105.332	β = 90
c = 171.409	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
SIMBAD	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-05-14 
Deposition Author(s): Koekemoer, L., Fairhead, M., Wright, N.D., Bowesman-Jones, H.J., Adams, C.J., Von Delft, F.

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Funding Organization	Location	Grant Number
Cancer Research UK	United Kingdom	CGCATF-2023/100049
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	1OT2CA297644-01

Revision History  

• Version 1.0: 2025-05-14
  Type: Initial release