6H30

The crystal structure of SBD1-SBD2 tandem of GlnPQ transporter

• PDB DOI: https://doi.org/10.2210/pdb6H30/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Lactococcus lactis subsp. lactis Il1403
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-07-17 Released: 2019-08-14 
• Deposition Author(s): Schuurman-Wolters, G.K., Guskov, A., Poolman, B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.240 
• R-Value Work: 0.164 
• R-Value Observed: 0.168 

Starting Model: experimental

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 8B5D

Literature

The crystal structure of SBD1-SBD2 tandem of GlnPQ transporter

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.

Macromolecule Content

• Total Structure Weight: 107.43 kDa 
• Atom Count: 7,710 
• Modelled Residue Count: 910 
• Deposited Residue Count: 920 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutamine ABC transporter permease and substrate binding protein protein	A, B	460	Lactococcus lactis subsp. lactis Il1403	Mutation(s): 0  Gene Names: glnP, L165
UniProt
Find proteins for Q9CES5 (Lactococcus lactis subsp. lactis (strain IL1403)) Explore Q9CES5  Go to UniProtKB:  Q9CES5

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PE5	EA [auth A], FA [auth A]	3,6,9,12,15,18,21,24-OCTAOXAHEXACOSAN-1-OL C18 H38 O9 CUDPPTPIUWYGFI-UHFFFAOYSA-N
1PE	DA [auth A]	PENTAETHYLENE GLYCOL C10 H22 O6 JLFNLZLINWHATN-UHFFFAOYSA-N
MES	QA [auth B], RA [auth B], SA [auth B], Y [auth A], Z [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
PG4	AA [auth A], BA [auth A], CA [auth A], GA [auth A], UA [auth B]	TETRAETHYLENE GLYCOL C8 H18 O5 UWHCKJMYHZGTIT-UHFFFAOYSA-N
PGE	HA [auth A], TA [auth B], VA [auth B], WA [auth B]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N
PEG	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], IA [auth B], J [auth A], JA [auth B], K [auth A], KA [auth B], L [auth A], LA [auth B], M [auth A], MA [auth B], N [auth A], NA [auth B], O [auth A], OA [auth B], P [auth A], PA [auth B], Q [auth A], R [auth A], S [auth A], T [auth A], U [auth A], V [auth A], W [auth A], X [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.240 
• R-Value Work: 0.164 
• R-Value Observed: 0.168 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.56	α = 90
b = 187.033	β = 90
c = 134.432	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-08-14 
Deposition Author(s): Schuurman-Wolters, G.K., Guskov, A., Poolman, B.

Revision History  

• Version 1.0: 2019-08-14
  Type: Initial release
  
• Version 1.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description, Structure summary