8U79 | pdb_00008u79

Crystal Structure of Substrate Binding Protein of Thermus thermophilus TAXI-TRAP protein with L-glutamate

• PDB DOI: https://doi.org/10.2210/pdb8U79/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Thermus thermophilus HB8
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2023-09-14 Released: 2025-03-19 
• Deposition Author(s): Antony, I.R., Currie, M., Dobson, R.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.11 Å
• R-Value Free: 
  0.138 (Depositor), 0.137 (DCC) 
• R-Value Work: 
  0.120 (Depositor), 0.119 (DCC) 

Starting Model: experimental

Literature

Crystal structure of a glutamate-binding subunit from a TAXI-TRAP transporter

Antony, I.R., Currie, M.J., Newton-Vesty, M.C., Tillett, Z.D., Allison, T.M., Dobson, R.C.J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 34.54 kDa 
• Atom Count: 2,897 
• Modelled Residue Count: 297 
• Deposited Residue Count: 318 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunogenic protein	A	318	Thermus thermophilus HB8	Mutation(s): 0  Gene Names: TTHA1157
UniProt
Find proteins for Q5SJ57 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)) Explore Q5SJ57  Go to UniProtKB:  Q5SJ57

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	D [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
GLU (Subject of Investigation/LOI)	B [auth A]	GLUTAMIC ACID C5 H9 N O4 WHUUTDBJXJRKMK-VKHMYHEASA-N
EDO	C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.11 Å
• R-Value Free:  0.138 (Depositor), 0.137 (DCC) 
• R-Value Work:  0.120 (Depositor), 0.119 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.547	α = 90
b = 67.913	β = 90
c = 81.17	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOLREP	phasing
Coot	model building
XDS	data reduction
Aimless	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-19 
Deposition Author(s): Antony, I.R., Currie, M., Dobson, R.

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Funding Organization	Location	Grant Number
Other government	New Zealand	--

Revision History  

• Version 1.0: 2025-03-19
  Type: Initial release