6JWM

Crystal structure of the SPRY domain of SPSB2 in complex with cR7, a potent cyclic peptide inhibitor of SPSB2-iNOS interaction

• PDB DOI: https://doi.org/10.2210/pdb6JWM/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: 1.23 Å
• R-Value Free: 0.200 
• R-Value Work: 0.177 
• R-Value Observed: 0.178 

Literature

Crystal structure of SPSB2 in complex with cR7, a potent cyclic peptide inhibitor of SPSB2-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.

Biological Assembly Evidence: isothermal titration calorimetry

Macromolecule Content

• Total Structure Weight: 23.7 kDa 
• Atom Count: 1,745 
• Modelled Residue Count: 210 
• Deposited Residue Count: 216 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SPRY domain-containing SOCS box protein 2	A	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	7	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: 1.23 Å
• R-Value Free: 0.200 
• R-Value Work: 0.177 
• R-Value Observed: 0.178 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.06	α = 90
b = 63.97	β = 90
c = 68.84	γ = 90

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