1KQZ

Hevamine Mutant D125A/E127A/Y183F in Complex with Tetra-NAG

• PDB DOI: https://doi.org/10.2210/pdb1KQZ/pdb

• Classification: HYDROLASE
• Organism(s): Hevea brasiliensis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2002-01-08 Released: 2002-01-23 
• Deposition Author(s): Rozeboom, H.J., Dijkstra, B.W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.211 
• R-Value Work: 0.168 
• R-Value Observed: 0.172 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 30.29 kDa 
• Atom Count: 2,279 
• Modelled Residue Count: 273 
• Deposited Residue Count: 273 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hevamine A	A	273	Hevea brasiliensis	Mutation(s): 3  EC: 3.2.1.14 (PDB Primary Data), 3.2.1.17 (PDB Primary Data)
UniProt
Find proteins for P23472 (Hevea brasiliensis) Explore P23472  Go to UniProtKB:  P23472

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B	4		N/A
Glycosylation Resources
GlyTouCan:  G01361SX GlyCosmos:  G01361SX GlyGen:  G01361SX

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.211 
• R-Value Work: 0.168 
• R-Value Observed: 0.172 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.753	α = 90
b = 57.602	β = 90
c = 82.508	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-01-23 
Deposition Author(s): Rozeboom, H.J., Dijkstra, B.W.

Revision History  

• Version 1.0: 2002-01-23
  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 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2021-10-27
  Changes: Database references, Structure summary
• Version 2.2: 2023-08-16
  Changes: Data collection, Refinement description