6YU2

Crystal structure of MhsT in complex with L-isoleucine

• PDB DOI: https://doi.org/10.2210/pdb6YU2/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Halalkalibacterium halodurans
• Expression System: Lactococcus lactis
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2020-04-25 Released: 2020-07-15 
• Deposition Author(s): Focht, D., Neumann, C., Lyons, J., Eguskiza Bilbao, A., Blunck, R., Malinauskaite, L., Schwarz, I.O., Javitch, J.A., Quick, M., Nissen, P.
• Funding Organization(s): Lundbeckfonden

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.305 
• R-Value Work: 0.277 
• R-Value Observed: 0.278 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 98.83 kDa 
• Atom Count: 6,778 
• Modelled Residue Count: 882 
• Deposited Residue Count: 910 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sodium-dependent transporter	A, B	455	Halalkalibacterium halodurans	Mutation(s): 0  Gene Names: E2L07_01100 Membrane Entity: Yes
UniProt
Find proteins for Q9KDT3 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9KDT3  Go to UniProtKB:  Q9KDT3

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BOG	C [auth A], D [auth A], E [auth A], I [auth B], J [auth B], K [auth B]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N
ILE (Subject of Investigation/LOI)	H [auth A], N [auth B]	ISOLEUCINE C6 H13 N O2 AGPKZVBTJJNPAG-WHFBIAKZSA-N
NA (Subject of Investigation/LOI)	F [auth A], G [auth A], L [auth B], M [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.305 
• R-Value Work: 0.277 
• R-Value Observed: 0.278 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.95	α = 90
b = 97.29	β = 96.14
c = 110.94	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-07-15 
Deposition Author(s): Focht, D., Neumann, C., Lyons, J., Eguskiza Bilbao, A., Blunck, R., Malinauskaite, L., Schwarz, I.O., Javitch, J.A., Quick, M., Nissen, P.

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Funding Organization	Location	Grant Number
Lundbeckfonden	Denmark	2011-3868
Lundbeckfonden	Denmark	2015-2704
Lundbeckfonden	Denmark	2015-3225
Lundbeckfonden	Denmark	2016-2518

Revision History  

• Version 1.0: 2020-07-15
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2021-01-27
  Changes: Database references, Structure summary
• Version 1.3: 2024-01-24
  Changes: Data collection, Database references, Refinement description