1MEX

Antibody Catalysis of a Bimolecular Cycloaddition Reaction

• PDB DOI: https://doi.org/10.2210/pdb1MEX/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus
• Mutation(s): No 


• Deposited: 2002-08-08 Released: 2003-09-02 
• Deposition Author(s): Heine, A., Wilson, I.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 0.213 
• R-Value Work: 0.153 

Literature

Antibody Catalysis of a Bimolecular Cycloaddition Reaction

Heine, A., Wilson, I.A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 46.76 kDa 
• Atom Count: 3,870 
• Modelled Residue Count: 424 
• Deposited Residue Count: 428 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab 29G12 light chain	A [auth L]	213	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab 29G12 heavy chain	B [auth H]	215	Mus musculus	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
RAC	C [auth H]	4-(2-DIMETHYLCARBAMOYL-PHENYLCARBAMOYLOXYMETHYL)-BENZOIC ACID C18 H18 N2 O5 WBKIRHATIRDZAH-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 0.213 
• R-Value Work: 0.153 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.32	α = 90
b = 83.31	β = 90
c = 107.18	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
SHELXL-97	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-02 
Deposition Author(s): Heine, A., Wilson, I.A.

Revision History  

• Version 1.0: 2003-09-02
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary