3L4H

Helical box domain and second WW domain of the human E3 ubiquitin-protein ligase HECW1

• PDB DOI: https://doi.org/10.2210/pdb3L4H/pdb

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


• Deposited: 2009-12-20 Released: 2010-05-05 
• Deposition Author(s): Walker, J.R., Qiu, L., Li, Y., Weigelt, J., Bountra, C., Arrowsmith, C.H., Edwards, A.M., Botchkarev, A., Dhe-Paganon, S., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.200 
• R-Value Work: 0.150 
• R-Value Observed: 0.152 

Literature

The tandem helical box and second WW domains of human HECW1

Walker, J.R., Qiu, L., Li, Y., Weigelt, J., Bountra, C., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Dhe-Paganon, S.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 13.04 kDa 
• Atom Count: 1,007 
• Modelled Residue Count: 109 
• Deposited Residue Count: 109 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
E3 ubiquitin-protein ligase HECW1	A	109	Homo sapiens	Mutation(s): 0  Gene Names: HECW1, KIAA0322, NEDL1 EC: 6.3.2 (PDB Primary Data), 2.3.2.26 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q76N89 (Homo sapiens) Explore Q76N89  Go to UniProtKB:  Q76N89
PHAROS:  Q76N89 GTEx:  ENSG00000002746

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACY	B [auth A]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.200 
• R-Value Work: 0.150 
• R-Value Observed: 0.152 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 26.079	α = 90
b = 44.082	β = 92.54
c = 39.61	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
SOLVE	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-05-05 
Deposition Author(s): Walker, J.R., Qiu, L., Li, Y., Weigelt, J., Bountra, C., Arrowsmith, C.H., Edwards, A.M., Botchkarev, A., Dhe-Paganon, S., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2010-05-05
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary