6FXG

Crystal structure of substrate binding domain 1 (SBD1) OF ABC transporter GLNPQ in complex with Asparagine

• PDB DOI: https://doi.org/10.2210/pdb6FXG/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Lactococcus lactis subsp. lactis
• Expression System: Lactococcus lactis
• Mutation(s): No 


• Deposited: 2018-03-09 Released: 2019-03-20 
• Deposition Author(s): Guskov, A., Schuurman-Wolters, G.K., Poolman, B.
• Funding Organization(s): ERC

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.170 
• R-Value Work: 0.136 
• R-Value Observed: 0.138 

Starting Model: experimental

Literature

Crystal structure of substrate binding domain 1 (SBD1) OF ABC transporter GLNPQ in complex with Asparagine

Schuurman-Wolters, G.K., Guskov, A., Poolman, B.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: light scattering

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Macromolecule Content

• Total Structure Weight: 74.52 kDa 
• Atom Count: 6,254 
• Modelled Residue Count: 675 
• Deposited Residue Count: 681 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Amino acid ABC transporter membrane protein PAAT family	A, B, C	227	Lactococcus lactis subsp. lactis	Mutation(s): 0  Gene Names: LL275_1813
UniProt
Find proteins for Q9CES5 (Lactococcus lactis subsp. lactis (strain IL1403)) Explore Q9CES5  Go to UniProtKB:  Q9CES5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ASN	D [auth A], E [auth B], F [auth C]	ASPARAGINE C4 H8 N2 O3 DCXYFEDJOCDNAF-REOHCLBHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.170 
• R-Value Work: 0.136 
• R-Value Observed: 0.138 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.87	α = 90
b = 74.27	β = 90.55
c = 110.24	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-03-20 
Deposition Author(s): Guskov, A., Schuurman-Wolters, G.K., Poolman, B.

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Funding Organization	Location	Grant Number
ERC	Netherlands	ABCvolume, #670578

Revision History  

• Version 1.0: 2019-03-20
  Type: Initial release
  
• Version 1.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description