3EJQ

Golgi alpha-Mannosidase II in complex with 5-substitued swainsonine analog: (5R)-5-[2'-oxo-2'-(4-methylphenyl)ethyl]-swainsonine

• PDB DOI: https://doi.org/10.2210/pdb3EJQ/pdb

• Classification: HYDROLASE
• Organism(s): Drosophila melanogaster
• Expression System: Drosophila melanogaster
• Mutation(s): No 


• Deposited: 2008-09-18 Released: 2009-10-13 
• Deposition Author(s): Kuntz, D.A., Rose, D.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.200 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 

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: 120.41 kDa 
• Atom Count: 9,522 
• Modelled Residue Count: 1,016 
• Deposited Residue Count: 1,045 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-mannosidase 2	A	1,045	Drosophila melanogaster	Mutation(s): 0  Gene Names: alpha-Man-II, GmII EC: 3.2.1.114
UniProt
Find proteins for Q24451 (Drosophila melanogaster) Explore Q24451  Go to UniProtKB:  Q24451

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HN3	E [auth A]	1-(4-methylphenyl)-2-[(1S,2R,5R,8R,8aR)-1,2,8-trihydroxyoctahydroindolizin-5-yl]ethanone C17 H23 N O4 APAFVLSHHZZYGV-PVTMVUMOSA-N
NAG	B [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
MRD	D [auth A]	(4R)-2-METHYLPENTANE-2,4-DIOL C6 H14 O2 SVTBMSDMJJWYQN-RXMQYKEDSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
HN3	PDBBind:  3EJQ	Ki: 2.7 (nM) from 1 assay(s)
	Binding MOAD:  3EJQ	Ki: 2.7 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.200 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.987	α = 90
b = 109.605	β = 90
c = 138.26	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CNS	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
SADABS	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-10-13 
Deposition Author(s): Kuntz, D.A., Rose, D.R.

Revision History  

• Version 1.0: 2009-10-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.4: 2023-08-30
  Changes: Data collection, Database references, Refinement description, Structure summary