7D57

C-Src in complex with FIIN-2

• PDB DOI: https://doi.org/10.2210/pdb7D57/pdb

• Classification: TRANSFERASE
• Organism(s): Gallus gallus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2020-09-25 Released: 2021-10-13 
• Deposition Author(s): Chen, Y.H., Qu, L.Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.222 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 

Starting Model: experimental

Literature

Structural insights into the potency and selectivity of covalent pan-FGFR inhibitors

Qu, L., Chen, X., Wei, H., Guo, M., Dai, S., Jiang, L., Li, J., Yue, S., Chen, Z., Chen, Y.

(2022) Commun Chem 5: 5

• DOI: https://doi.org/10.1038/s42004-021-00623-x

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 66.92 kDa 
• Atom Count: 4,477 
• Modelled Residue Count: 514 
• Deposited Residue Count: 572 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Proto-oncogene tyrosine-protein kinase Src	A, B	286	Gallus gallus	Mutation(s): 0  Gene Names: SRC EC: 2.7.10.2
UniProt
Find proteins for P00523 (Gallus gallus) Explore P00523  Go to UniProtKB:  P00523

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
37O (Subject of Investigation/LOI)	C [auth A], F [auth B]	N-(4-{[3-(3,5-dimethoxyphenyl)-7-{[4-(4-methylpiperazin-1-yl)phenyl]amino}-2-oxo-3,4-dihydropyrimido[4,5-d]pyrimidin-1(2H)-yl]methyl}phenyl)propanamide C35 H40 N8 O4 DKHGWJNITASDGF-UHFFFAOYSA-N
SO4	D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.222 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.798	α = 78.98
b = 62.964	β = 89.78
c = 74.138	γ = 89.69

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-10-13 
Deposition Author(s): Chen, Y.H., Qu, L.Z.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	81570537
National Natural Science Foundation of China (NSFC)	China	81974074
National Natural Science Foundation of China (NSFC)	China	31900880

Revision History  

• Version 1.0: 2021-10-13
  Type: Initial release
  
• Version 1.1: 2022-03-09
  Changes: Database references
• Version 1.2: 2023-11-29
  Changes: Data collection, Refinement description
• Version 1.3: 2024-11-20
  Changes: Structure summary