Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - AB 

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

Macromolecule Content

• Total Structure Weight: 31977.45 
• Atom Count: 2105 
• Residue Count: 285 
• Unique protein chains: 2

4W5V

Crystal structure of Human SUMO E2-conjugating enzyme (Ubc9) in complex with E1-activating enzyme (Uba2) ubiquitin fold domain (Ufd)

• DOI: 10.2210/pdb4W5V/pdb

• Classification: LIGASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli


• Deposited: 2014-08-19 Released: 2015-09-09 
• Deposition Author(s): Boucher, L.E., Reiter, K.H., Matunis, M.J., Bosch, J.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences 

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.5 Å
• R-Value Free: 0.283 
• R-Value Work: 0.221 

Literature

Crystal structure of human SUMO complex

Reiter, K.H., Boucher, L.E., Bosch, J., Matunis, M.J.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
SUMO-conjugating enzyme UBC9	A	163	Homo sapiens	Mutation(s): 0  Gene Names: UBE2I (UBC9, UBCE9) EC: 2.3.2.-
Find proteins for P63279 (Homo sapiens) Go to Gene View: UBE2I Go to UniProtKB:  P63279

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
SUMO-activating enzyme subunit 2	B	122	Homo sapiens	Mutation(s): 0  Gene Names: UBA2 (SAE2, UBLE1B) EC: 2.3.2.-
Find proteins for Q9UBT2 (Homo sapiens) Go to Gene View: UBA2 Go to UniProtKB:  Q9UBT2

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
K	B	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N
FMT	A	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N
GOL	B	GLYCEROL GLYCERIN; PROPANE-1,2,3-TRIOL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.5 Å
• R-Value Free: 0.283 
• R-Value Work: 0.221 
• Space Group: C 1 2 1

Unit Cell:

Length (Å)	Angle (°)
a = 161.273	α = 90.00
b = 35.272	β = 96.69
c = 58.672	γ = 90.00

Software Package:

Software Name	Purpose
MOLREP	phasing
PHENIX	refinement
Coot	model building
XSCALE	data scaling
XDS	data scaling
Blu-Ice	data collection
XDS	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2014-08-19 
• Released Date: 2015-09-09 
• Deposition Author(s): Boucher, L.E., Reiter, K.H., Matunis, M.J., Bosch, J.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences	United States	GM060980

Revision History 

• Version 1.0: 2015-09-09
  Type: Initial release
• Version 1.1: 2017-09-06
  Type: Author supporting evidence, Derived calculations