1J1M

Ricin A-Chain (Recombinant) at 100K

• PDB DOI: https://doi.org/10.2210/pdb1J1M/pdb

• Classification: HYDROLASE
• Organism(s): Ricinus communis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2002-12-10 Released: 2004-02-03 
• Deposition Author(s): Watanabe, K., Motoshima, H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.213 
• R-Value Work: 0.192 

Literature

Ricin A-Chain (Recombinant) at 100K

Watanabe, K., Motoshima, H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 30.95 kDa 
• Atom Count: 2,531 
• Modelled Residue Count: 262 
• Deposited Residue Count: 268 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ricin	A	268	Ricinus communis	Mutation(s): 1  EC: 3.2.2.22
UniProt
Find proteins for P02879 (Ricinus communis) Explore P02879  Go to UniProtKB:  P02879

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-1)-alpha-D-glucopyranose	B, C	2		N/A
Glycosylation Resources
GlyTouCan:  G92130SN GlyCosmos:  G92130SN

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900006	B, C	trehalose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.213 
• R-Value Work: 0.192 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.6	α = 90
b = 67.6	β = 90
c = 141	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-02-03 
Deposition Author(s): Watanabe, K., Motoshima, H.

Revision History  

• Version 1.0: 2004-02-03
  Type: Initial release
  
• Version 1.1: 2008-04-27
  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: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2021-11-10
  Changes: Database references, Structure summary
• Version 2.2: 2023-12-27
  Changes: Data collection