1ZBV

Crystal Structure of the goat signalling protein (SPG-40) complexed with a designed peptide Trp-Pro-Trp at 3.2A resolution

• PDB DOI: https://doi.org/10.2210/pdb1ZBV/pdb

• Classification: SIGNALLING PROTEIN
• Organism(s): Capra hircus
• Mutation(s): No 


• Deposited: 2005-04-09 Released: 2005-04-26 
• Deposition Author(s): Kumar, J., Ethayathulla, A.S., Srivastava, D.B., Singh, N., Sharma, S., Somvanshi, R.K., Dey, S., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.209 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 41.64 kDa 
• Atom Count: 3,013 
• 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	Capra hircus	Mutation(s): 0
UniProt
Find proteins for Q8SPQ0 (Capra hircus) Explore Q8SPQ0  Go to UniProtKB:  Q8SPQ0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
WPW	B	3	N/A	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.209 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.97	α = 90
b = 66.345	β = 90
c = 108.028	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: 2005-04-26 
Deposition Author(s): Kumar, J., Ethayathulla, A.S., Srivastava, D.B., Singh, N., Sharma, S., Somvanshi, R.K., Dey, S., Singh, T.P.

Revision History  

• Version 1.0: 2005-04-26
  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: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary