3ME3

Activator-Bound Structure of Human Pyruvate Kinase M2


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.219 

wwPDB Validation 3D Report Full Report


This is version 1.5 of the entry. See complete history

Literature

Pyruvate kinase M2 activators promote tetramer formation and suppress tumorigenesis.

Anastasiou, D.Yu, Y.Israelsen, W.J.Jiang, J.K.Boxer, M.B.Hong, B.S.Tempel, W.Dimov, S.Shen, M.Jha, A.Yang, H.Mattaini, K.R.Metallo, C.M.Fiske, B.P.Courtney, K.D.Malstrom, S.Khan, T.M.Kung, C.Skoumbourdis, A.P.Veith, H.Southall, N.Walsh, M.J.Brimacombe, K.R.Leister, W.Lunt, S.Y.Johnson, Z.R.Yen, K.E.Kunii, K.Davidson, S.M.Christofk, H.R.Austin, C.P.Inglese, J.Harris, M.H.Asara, J.M.Stephanopoulos, G.Salituro, F.G.Jin, S.Dang, L.Auld, D.S.Park, H.W.Cantley, L.C.Thomas, C.J.Vander Heiden, M.G.

(2012) Nat.Chem.Biol. 8: 839-847

  • DOI: 10.1038/nchembio.1060
  • Primary Citation of Related Structures:  3U2Z

  • PubMed Abstract: 
  • Cancer cells engage in a metabolic program to enhance biosynthesis and support cell proliferation. The regulatory properties of pyruvate kinase M2 (PKM2) influence altered glucose metabolism in cancer. The interaction of PKM2 with phosphotyrosine-con ...

    Cancer cells engage in a metabolic program to enhance biosynthesis and support cell proliferation. The regulatory properties of pyruvate kinase M2 (PKM2) influence altered glucose metabolism in cancer. The interaction of PKM2 with phosphotyrosine-containing proteins inhibits enzyme activity and increases the availability of glycolytic metabolites to support cell proliferation. This suggests that high pyruvate kinase activity may suppress tumor growth. We show that expression of PKM1, the pyruvate kinase isoform with high constitutive activity, or exposure to published small-molecule PKM2 activators inhibits the growth of xenograft tumors. Structural studies reveal that small-molecule activators bind PKM2 at the subunit interaction interface, a site that is distinct from that of the endogenous activator fructose-1,6-bisphosphate (FBP). However, unlike FBP, binding of activators to PKM2 promotes a constitutively active enzyme state that is resistant to inhibition by tyrosine-phosphorylated proteins. These data support the notion that small-molecule activation of PKM2 can interfere with anabolic metabolism.


    Organizational Affiliation

    Department of Medicine, Division of Signal Transduction, Beth Israel Deaconess Medical Center, Boston, MA, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Pyruvate kinase isozymes M1/M2
A, B, C, D
550Homo sapiensGene Names: PKM (OIP3, PK2, PK3, PKM2)
EC: 2.7.1.40
Find proteins for P14618 (Homo sapiens)
Go to Gene View: PKM
Go to UniProtKB:  P14618
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
A, B, C, D
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
UNX
Query on UNX

Download SDF File 
Download CCD File 
A, B, C, D
UNKNOWN ATOM OR ION
X
*
 Ligand Interaction
3SZ
Query on 3SZ

Download SDF File 
Download CCD File 
A, D
3-{[4-(2,3-dihydro-1,4-benzodioxin-6-ylsulfonyl)-1,4-diazepan-1-yl]sulfonyl}aniline
C19 H23 N3 O6 S2
GMHIOMMKSMSRLY-UHFFFAOYSA-N
 Ligand Interaction
FBP
Query on FBP

Download SDF File 
Download CCD File 
A, B, C, D
BETA-FRUCTOSE-1,6-DIPHOSPHATE
FRUCTOSE-1,6-BISPHOSPHATE
C6 H14 O12 P2
RNBGYGVWRKECFJ-ARQDHWQXSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
3SZEC50: 38 nM (100) BINDINGDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.219 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 80.882α = 90.00
b = 152.564β = 103.17
c = 93.036γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data reduction
HKL-2000data scaling
DENZOdata reduction
StructureStudiodata collection
PDB_EXTRACTdata extraction
SCALEPACKdata scaling
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Revision History 

  • Version 1.0: 2010-04-28
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2012-09-12
    Type: Database references
  • Version 1.3: 2012-11-07
    Type: Database references
  • Version 1.4: 2013-01-02
    Type: Database references
  • Version 1.5: 2017-11-08
    Type: Refinement description