6CQ7

The SH3 domain of MLK3 in complex with poly-proline peptide derived from Htt

• PDB DOI: https://doi.org/10.2210/pdb6CQ7/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-03-14 Released: 2018-09-19 
• Deposition Author(s): Kall, S.L., Lavie, A.
• Funding Organization(s): National Institutes of Health/National Institute of Dental and Craniofacial Research (NIH/NIDCR), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.260 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.200 (Depositor) 

Starting Model: experimental

Literature

The SH3 domain of MLK3 in complex with poly-proline peptide derived from Htt

Kall, S.L., Lavie, A.

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: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 8.43 kDa 
• Atom Count: 590 
• Modelled Residue Count: 73 
• Deposited Residue Count: 80 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitogen-activated protein kinase kinase kinase 11, Huntingtin fusion protein	A	80	Homo sapiens	Mutation(s): 0  Gene Names: MAP3K11, MLK3, PTK1, SPRK, HTT, HD, IT15 EC: 2.7.11.25
UniProt & NIH Common Fund Data Resources
Find proteins for Q16584 (Homo sapiens) Explore Q16584  Go to UniProtKB:  Q16584
PHAROS:  Q16584 GTEx:  ENSG00000173327

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.260 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.200 (Depositor) 

Space Group: P 4₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59	α = 90
b = 59	β = 90
c = 84.36	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
ARP/wARP	model building
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-09-19 
Deposition Author(s): Kall, S.L., Lavie, A.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Dental and Craniofacial Research (NIH/NIDCR)	United States	NIDCR DE018381
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01EB013685

Revision History  

• Version 1.0: 2018-09-19
  Type: Initial release
  
• Version 1.1: 2019-12-11
  Changes: Author supporting evidence
• Version 1.2: 2023-10-04
  Changes: Data collection, Database references, Refinement description