6JWN

Crystal structure of the SPRY domain of SPSB2 in complex with cR9, a cyclic peptide inhibitor of SPSB-iNOS interaction

• PDB DOI: https://doi.org/10.2210/pdb6JWN/pdb

• Classification: PROTEIN BINDING/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-04-21 Released: 2020-04-22 
• Deposition Author(s): Li, K., Kuang, Z.
• Funding Organization(s): National Natural Science Foundation of China, Ministry of Education (China)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.205 
• R-Value Work: 0.185 
• R-Value Observed: 0.186 

Literature

Crystal structure of SPSB2 in complex with cR9, a cyclic peptide inhibitor of SPSB-iNOS interaction

Li, K., Kuang, Z.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: isothermal titration calorimetry

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 47.86 kDa 
• Atom Count: 3,257 
• Modelled Residue Count: 404 
• Deposited Residue Count: 436 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SPRY domain-containing SOCS box protein 2	A, C	209	Homo sapiens	Mutation(s): 0  Gene Names: SPSB2, GRCC9, SSB2
UniProt & NIH Common Fund Data Resources
Find proteins for Q99619 (Homo sapiens) Explore Q99619  Go to UniProtKB:  Q99619
PHAROS:  Q99619 GTEx:  ENSG00000111671

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitric oxide synthase, inducible	B, D	9	Homo sapiens	Mutation(s): 0  EC: 1.14.13.39
UniProt & NIH Common Fund Data Resources
Find proteins for P35228 (Homo sapiens) Explore P35228  Go to UniProtKB:  P35228
PHAROS:  P35228 GTEx:  ENSG00000007171

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 0.205 
• R-Value Work: 0.185 
• R-Value Observed: 0.186 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.411	α = 87.72
b = 46.386	β = 75.01
c = 61.177	γ = 89.92

Software Package:

Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-04-22 
Deposition Author(s): Li, K., Kuang, Z.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China	China	31270817
National Natural Science Foundation of China	China	81571539
Ministry of Education (China)	China	21617443

Revision History  

• Version 1.0: 2020-04-22
  Type: Initial release
  
• Version 1.1: 2024-03-27
  Changes: Data collection, Database references, Refinement description