Biological Assembly 1  

Global Symmetry: Dihedral - D5  (3D View)
Global Stoichiometry: Homo 10-mer - A10 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Dihedral - D5  (3D View)
Global Stoichiometry: Homo 10-mer - A10 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 838.98 kDa 
• Atom Count: 53,518 
• Modelled Residue Count: 6,726 
• Deposited Residue Count: 7,400 
• Unique protein chains: 1

 3FKY

Crystal structure of the glutamine synthetase Gln1deltaN18 from the yeast Saccharomyces cerevisiae

• PDB DOI: 10.2210/pdb3FKY/pdb

• Classification: LIGASE
• Organism(s): Saccharomyces cerevisiae
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-12-18 Released: 2009-10-06 
• Deposition Author(s): He, Y.X., Gui, L., Liu, Y.Z., Du, Y., Zhou, Y.Y., Li, P., Zhou, C.Z.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.258 
• R-Value Work: 0.225 
• R-Value Observed: 0.226 

Literature

Crystal structure of Saccharomyces cerevisiae glutamine synthetase Gln1 suggests a nanotube-like supramolecular assembly

He, Y.X., Gui, L., Liu, Y.Z., Du, Y., Zhou, Y., Li, P., Zhou, C.Z.

(2009) Proteins 76: 249-254

• PubMed: 19322816 
• DOI: 10.1002/prot.22403
• Primary Citation of Related Structures:  
  3FKY

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutamine synthetase	A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T	370	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: GLN1 EC: 6.3.1.2
UniProt
Find proteins for P32288 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P32288  Go to UniProtKB:  P32288

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FLC	AA [auth G], BA [auth H], CA [auth I], DA [auth J], EA [auth K], FA [auth L], GA [auth M], HA [auth N], IA [auth O], JA [auth P], KA [auth Q], LA [auth R], MA [auth S], NA [auth T], U [auth A], V [auth B], W [auth C], X [auth D], Y [auth E], Z [auth F]	CITRATE ANION C6 H5 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.258 
• R-Value Work: 0.225 
• R-Value Observed: 0.226 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 128.65	α = 93.46
b = 129.94	β = 104.61
c = 135.61	γ = 104.01

Software Package:

Software Name	Purpose
MAR345dtb	data collection
MOLREP	phasing
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-06 
Deposition Author(s): He, Y.X., Gui, L., Liu, Y.Z., Du, Y., Zhou, Y.Y., Li, P., Zhou, C.Z.

Revision History  

• Version 1.0: 2009-10-06
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance