7TAK

Structure of a NAT transporter

• PDB DOI: https://doi.org/10.2210/pdb7TAK/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Colwellia psychrerythraea
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTM


• Deposited: 2021-12-21 Released: 2023-01-25 
• Deposition Author(s): Weng, J., Zhou, X., Ren, Z., Chen, K., Zhou, M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.232 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Literature

Structure of a NAT transporter

Weng, J., Zhou, X., Ren, Z., Chen, K., Zhou, M.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 103.87 kDa 
• Atom Count: 7,031 
• Modelled Residue Count: 901 
• Deposited Residue Count: 942 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative membrane protein PurT	A, B	471	Colwellia psychrerythraea	Mutation(s): 0  Gene Names: CPS_4258 Membrane Entity: Yes
UniProt
Find proteins for Q47WB4 (Colwellia psychrerythraea (strain 34H / ATCC BAA-681)) Explore Q47WB4  Go to UniProtKB:  Q47WB4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GUN (Subject of Investigation/LOI)	C [auth A], D [auth B]	GUANINE C5 H5 N5 O UYTPUPDQBNUYGX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.232 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 131.713	α = 90
b = 135.993	β = 90
c = 79.169	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-25 
Deposition Author(s): Weng, J., Zhou, X., Ren, Z., Chen, K., Zhou, M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01 GM119396

Revision History  

• Version 1.0: 2023-01-25
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Structure summary
• Version 1.2: 2023-10-25
  Changes: Refinement description