2W7T

Trypanosoma brucei CTPS - glutaminase domain with bound acivicin

• PDB DOI: https://doi.org/10.2210/pdb2W7T/pdb

• Classification: LIGASE
• Organism(s): Trypanosoma brucei
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2008-12-30 Released: 2009-01-13 
• Deposition Author(s): Welin, M., Moche, M., Arrowsmith, C.H., Berglund, H., Bountra, C., Collins, R., Dahlgren, L.G., Edwards, A.M., Flodin, S., Flores, A., Graslund, S., Hammarstrom, M., Johansson, A., Johansson, I., Karlberg, T., Kotenyova, T., Lehtio, L., Nilsson, M.E., Nyman, T., Persson, C., Sagemark, J., Schueler, H., Siponen, M.I., Thorsell, A.G., Tresaugues, L., Van Den Berg, S., Weigelt, J., Wikstrom, M., Wisniewska, M., Nordlund, P., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.262 
• R-Value Work: 0.199 
• R-Value Observed: 0.202 

Starting Model: experimental

Literature

Trypanosoma Brucei Ctps - Glutaminase Domain with Bound Acivicin

Welin, M., Moche, M., Arrowsmith, C.H., Berglund, H., Bountra, C., Collins, R., Dahlgren, L.G., Edwards, A.M., Flodin, S., Flores, A., Graslund, S., Hammarstrom, M., Johansson, A., Johansson, I., Karlberg, T., Kotenyova, T., Lehtio, L., Nilsson, M.E., Nyman, T., Persson, C., Sagemark, J., Schueler, H., Siponen, M.I., Thorsell, A.G., Tresaugues, L., Van Den Berg, S., Weigelt, J., Wikstrom, M., Wisniewska, M., Nordlund, P., Structural Genomics Consortium (SGC)

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 30.84 kDa 
• Atom Count: 2,173 
• Modelled Residue Count: 264 
• Deposited Residue Count: 273 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PUTATIVE CYTIDINE TRIPHOSPHATE SYNTHASE	A	273	Trypanosoma brucei	Mutation(s): 2  EC: 6.3.4.2
UniProt
Find proteins for Q4GZ95 (Trypanosoma brucei brucei (strain 927/4 GUTat10.1)) Explore Q4GZ95  Go to UniProtKB:  Q4GZ95

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	B [auth A], C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
5CS	A	L-PEPTIDE LINKING	C8 H15 N3 O5 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.262 
• R-Value Work: 0.199 
• R-Value Observed: 0.202 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.48	α = 90
b = 63.68	β = 90
c = 76.58	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-01-13 
Deposition Author(s): Welin, M., Moche, M., Arrowsmith, C.H., Berglund, H., Bountra, C., Collins, R., Dahlgren, L.G., Edwards, A.M., Flodin, S., Flores, A., Graslund, S., Hammarstrom, M., Johansson, A., Johansson, I., Karlberg, T., Kotenyova, T., Lehtio, L., Nilsson, M.E., Nyman, T., Persson, C., Sagemark, J., Schueler, H., Siponen, M.I., Thorsell, A.G., Tresaugues, L., Van Den Berg, S., Weigelt, J., Wikstrom, M., Wisniewska, M., Nordlund, P., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2009-01-13
  Type: Initial release
  
• Version 1.1: 2013-12-04
  Changes: Derived calculations, Non-polymer description, Other, Source and taxonomy, Structure summary, Version format compliance
• Version 1.2: 2015-05-06
  Changes: Database references, Structure summary
• Version 1.3: 2017-05-24
  Changes: Database references
• Version 1.4: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description