1ABR

CRYSTAL STRUCTURE OF ABRIN-A

• PDB DOI: https://doi.org/10.2210/pdb1ABR/pdb

• Classification: GLYCOSIDASE/CARBOHYDRATE
• Organism(s): Abrus precatorius
• Mutation(s): No 


• Deposited: 1994-11-11 Released: 1995-02-07 
• Deposition Author(s): Tahirov, T.H., Lu, T.-H., Liaw, Y.-C., Chu, S.-C., Lin, J.-Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.14 Å
• R-Value Work: 0.189 
• R-Value Observed: 0.189 

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: 60.06 kDa 
• Atom Count: 4,411 
• Modelled Residue Count: 518 
• Deposited Residue Count: 518 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ABRIN-A	A	251	Abrus precatorius	Mutation(s): 0
UniProt
Find proteins for P11140 (Abrus precatorius) Explore P11140  Go to UniProtKB:  P11140

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ABRIN-A	B	267	Abrus precatorius	Mutation(s): 0
UniProt
Find proteins for P11140 (Abrus precatorius) Explore P11140  Go to UniProtKB:  P11140

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-alpha-L-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose	C	5		N/A
Glycosylation Resources
GlyTouCan:  G56786AI GlyCosmos:  G56786AI

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose	D	5		N/A
Glycosylation Resources
GlyTouCan:  G68178UB GlyCosmos:  G68178UB

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.14 Å
• R-Value Work: 0.189 
• R-Value Observed: 0.189 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.58	α = 90
b = 73.07	β = 96.2
c = 48.23	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1995-02-07 
Deposition Author(s): Tahirov, T.H., Lu, T.-H., Liaw, Y.-C., Chu, S.-C., Lin, J.-Y.

Revision History  

• Version 1.0: 1995-02-07
  Type: Initial release
  
• Version 1.1: 2008-03-10
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Structure summary