5HZE

Mek1 adopts DFG-out conformation when bound to an analog of E6201.

• PDB DOI: https://doi.org/10.2210/pdb5HZE/pdb

• Classification: Transferase/Transferase Inhibitor
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2016-02-02 Released: 2017-05-03 
• Deposition Author(s): Larsen, N.A., Bloudoff, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.287 
• R-Value Work: 0.201 
• R-Value Observed: 0.205 

Literature

Mek1 adopts DFG-out conformation when bound to an analog of E6201.

Larsen, N.A., Bloudoff, K., Subramanian, V., Nomoto, K., Wang, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 39.36 kDa 
• Atom Count: 2,428 
• Modelled Residue Count: 305 
• Deposited Residue Count: 348 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dual specificity mitogen-activated protein kinase kinase 1	A	348	Homo sapiens	Mutation(s): 3  Gene Names: MAP2K1, MEK1, PRKMK1 EC: 2.7.12.2
UniProt & NIH Common Fund Data Resources
Find proteins for Q02750 (Homo sapiens) Explore Q02750  Go to UniProtKB:  Q02750
PHAROS:  Q02750 GTEx:  ENSG00000169032

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
E62	B [auth A]	(3S,4R,8S,9S,11E)-8,9,16-trihydroxy-3,4-dimethyl-14-(methylamino)-3,4,5,6,9,10-hexahydro-1H-2-benzoxacyclotetradecine-1,7(8H)-dione C20 H27 N O6 OGTAOVBFMGEJTQ-FSYYGYTQSA-N
MG	C [auth A], D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.287 
• R-Value Work: 0.201 
• R-Value Observed: 0.205 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.118	α = 90
b = 77.118	β = 90
c = 222.064	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-05-03 
Deposition Author(s): Larsen, N.A., Bloudoff, K.

Revision History  

• Version 1.0: 2017-05-03
  Type: Initial release
  
• Version 1.1: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary