1HWO

EBULIN COMPLEXED WITH LACTOSE, TRIGONAL CRYSTAL FORM

• PDB DOI: https://doi.org/10.2210/pdb1HWO/pdb

• Classification: HYDROLASE
• Organism(s): Sambucus ebulus
• Mutation(s): No 


• Deposited: 2001-01-09 Released: 2001-01-24 
• Deposition Author(s): Pascal, J.M., Day, P.J., Monzingo, A.F., Ernst, S.R., Robertus, J.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.339 
• R-Value Work: 0.237 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 58.79 kDa 
• Atom Count: 4,117 
• Modelled Residue Count: 515 
• Deposited Residue Count: 520 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
EBULIN	A	254	Sambucus ebulus	Mutation(s): 0  EC: 3.2.2.22
UniProt
Find proteins for Q9AVR2 (Sambucus ebulus) Explore Q9AVR2  Go to UniProtKB:  Q9AVR2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
EBULIN	B	266	Sambucus ebulus	Mutation(s): 0  EC: 3.2.2.22
UniProt
Find proteins for Q9AVR2 (Sambucus ebulus) Explore Q9AVR2  Go to UniProtKB:  Q9AVR2

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-alpha-D-glucopyranose	C	2		N/A
Glycosylation Resources
GlyTouCan:  G88362QR GlyCosmos:  G88362QR GlyGen:  G88362QR

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	D	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 3
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900008	C	alpha-lactose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.339 
• R-Value Work: 0.237 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74	α = 90
b = 74	β = 90
c = 191.5	γ = 120

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
EPMR	phasing
X-PLOR	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2001-01-24 
Deposition Author(s): Pascal, J.M., Day, P.J., Monzingo, A.F., Ernst, S.R., Robertus, J.D.

Revision History  

• Version 1.0: 2001-01-24
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-08-09
  Changes: Data collection, Database references, Refinement description, Structure summary