3L4H | pdb_00003l4h

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)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.200 (Depositor), 0.221 (DCC) 
• R-Value Work: 
  0.150 (Depositor), 0.183 (DCC) 
• R-Value Observed: 
  0.152 (Depositor) 

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 
• Modeled 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 (Depositor), 0.221 (DCC) 
• R-Value Work:  0.150 (Depositor), 0.183 (DCC) 
• R-Value Observed: 0.152 (Depositor) 

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