1ZL1

Crystal structure of the complex of signalling protein from sheep (SPS-40) with a designed peptide Trp-His-Trp reveals significance of Asn79 and Trp191 in the complex formation

• PDB DOI: https://doi.org/10.2210/pdb1ZL1/pdb

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


• Deposited: 2005-05-05 Released: 2005-05-17 
• Deposition Author(s): Ethayathulla, A.S., Srivastava, D.B., Singh, N., Kumar, J., Somvanshi, R.K., Sharma, S., Dey, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.210 
• R-Value Work: 0.176 
• R-Value Observed: 0.178 

Starting Model: experimental

Literature

Crystal structure of the complex of signalling protein from sheep (SPS-40) with a designed peptide Trp-His-Trp reveals significance of Asn79 and Trp191 in the complex formation

Ethayathulla, A.S., Srivastava, D.B., Singh, N., Kumar, J., Somvanshi, R.K., 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: 41.73 kDa 
• Atom Count: 3,000 
• 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-HIS-TRP peptide	B [auth C]	3	N/A	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C [auth B]	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G52260VY GlyCosmos:  G52260VY GlyGen:  G52260VY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.210 
• R-Value Work: 0.176 
• R-Value Observed: 0.178 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.79	α = 90
b = 66.309	β = 90
c = 107.382	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-05-17 
Deposition Author(s): Ethayathulla, A.S., Srivastava, D.B., Singh, N., Kumar, J., Somvanshi, R.K., Sharma, S., Dey, S., Singh, T.P.

Revision History  

• Version 1.0: 2005-05-17
  Type: Initial release
  
• Version 1.1: 2008-04-30
  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: 2023-08-23
  Changes: Data collection, Database references, Refinement description, Structure summary