2G8Z

Crystal structure of the ternary complex of signalling protein from sheep (SPS-40) with trimer and designed peptide at 2.5A resolution

• PDB DOI: https://doi.org/10.2210/pdb2G8Z/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Ovis aries
• Mutation(s): No 


• Deposited: 2006-03-04 Released: 2006-04-04 
• Deposition Author(s): Ethayathulla, A.S., Srivastava, D.B., Kumar, J., Somvanshi, R.K., Sharma, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.211 
• R-Value Work: 0.197 
• R-Value Observed: 0.197 

Starting Model: experimental

Literature

Crystal structure of the ternary complex of signalling protein from sheep (SPS-40) with trimer and designed peptide at 2.5A resolution

Ethayathulla, A.S., Srivastava, D.B., Kumar, J., Somvanshi, R.K., Bhushan, A., Sharma, S., Dey, S., Singh, T.P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 42.64 kDa 
• Atom Count: 3,151 
• Modelled Residue Count: 364 
• Deposited Residue Count: 364 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chitinase-3-like protein 1	A	361	Ovis aries	Mutation(s): 0
UniProt
Find proteins for Q6TMG6 (Ovis aries) Explore Q6TMG6  Go to UniProtKB:  Q6TMG6
Glycosylation
Glycosylation Sites: 1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
(TRP)(PRO)(TRP)	B [auth P]	3	N/A	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C [auth B]	5		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21381MC GlyCosmos:  G21381MC GlyGen:  G21381MC

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	D [auth C]	3		N/A
Glycosylation Resources
GlyTouCan:  G47362BJ GlyCosmos:  G47362BJ GlyGen:  G47362BJ

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 4
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900017	D [auth C]	triacetyl-beta-chitotriose	Oligosaccharide / Inhibitor

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.211 
• R-Value Work: 0.197 
• R-Value Observed: 0.197 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.87	α = 90
b = 66.26	β = 90
c = 107.498	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-04-04 
Deposition Author(s): Ethayathulla, A.S., Srivastava, D.B., Kumar, J., Somvanshi, R.K., Sharma, S., Singh, T.P.

Revision History  

• Version 1.0: 2006-04-04
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary