6C19

FGFR1 kinase complex with inhibitor SN36985

• PDB DOI: https://doi.org/10.2210/pdb6C19/pdb

• Classification: Transferase/Transferase inhibitor
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-01-04 Released: 2019-01-16 
• Deposition Author(s): Yosaatmadja, Y., Smaill, J.B., Squire, C.J.
• Funding Organization(s): Health Research Council (HRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.12 Å
• R-Value Free: 0.239 
• R-Value Work: 0.205 
• R-Value Observed: 0.207 

Starting Model: experimental

Literature

Understanding the structural requirements for covalent inhibition of FGFR1-3

Yosaatmadja, Y., Squire, C.J., Patterson, A.V., Smaill, J.B.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 71.93 kDa 
• Atom Count: 4,318 
• Modelled Residue Count: 540 
• Deposited Residue Count: 622 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fibroblast growth factor receptor 1	A, B	311	Homo sapiens	Mutation(s): 0  Gene Names: FGFR1, BFGFR, CEK, FGFBR, FLG, FLT2, HBGFR EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P11362 (Homo sapiens) Explore P11362  Go to UniProtKB:  P11362
PHAROS:  P11362 GTEx:  ENSG00000077782

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
YY7 (Subject of Investigation/LOI)	C [auth A], E [auth B]	3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-{(3S)-1-[(2E)-4-(dimethylamino)but-2-enoyl]pyrrolidin-3-yl}-7-(methylamino)-3,4-dihydropyrimido[4,5-d]pyrimidin-2(1H)-one C25 H31 Cl2 N7 O4 QMKPEUWZSPDYPV-MOEXGYKKSA-N
SO4	D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.12 Å
• R-Value Free: 0.239 
• R-Value Work: 0.205 
• R-Value Observed: 0.207 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 208.426	α = 90
b = 49.013	β = 105.97
c = 64.628	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-01-16 
Deposition Author(s): Yosaatmadja, Y., Smaill, J.B., Squire, C.J.

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Funding Organization	Location	Grant Number
Health Research Council (HRC)	New Zealand	--

Revision History  

• Version 1.0: 2019-01-16
  Type: Initial release
  
• Version 1.1: 2020-01-01
  Changes: Author supporting evidence
• Version 1.2: 2023-10-04
  Changes: Data collection, Database references, Refinement description