3L7E | pdb_00003l7e

Crystal structure of ANTI-IL-13 antibody C836

• PDB DOI: https://doi.org/10.2210/pdb3L7E/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Mus musculus, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2009-12-28 Released: 2010-11-10 
• Deposition Author(s): Teplyakov, A., Obmolova, G., Malia, T., Gilliland, G.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.251 (Depositor), 0.258 (DCC) 
• R-Value Work: 
  0.201 (Depositor), 0.204 (DCC) 
• R-Value Observed: 
  0.204 (Depositor) 

Starting Model: experimental

Literature

Antigen recognition by antibody C836 through adjustment of VL/VH packing

Teplyakov, A., Obmolova, G., Malia, T.J., Gilliland, G.

(2011) Acta Crystallogr Sect F Struct Biol Cryst Commun 67: 1165-1167

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 96.97 kDa 
• Atom Count: 6,748 
• Modeled Residue Count: 857 
• Deposited Residue Count: 888 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
C836 LIGHT CHAIN	A [auth L], C [auth A]	214	Mus musculus, Homo sapiens This entity is chimeric	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
C836 HEAVY CHAIN	B [auth H], D [auth B]	230	Mus musculus, Homo sapiens This entity is chimeric	Mutation(s): 0

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth L], G [auth H]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	F [auth L]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT	H, I [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.251 (Depositor), 0.258 (DCC) 
• R-Value Work:  0.201 (Depositor), 0.204 (DCC) 
• R-Value Observed: 0.204 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 97.94	α = 90
b = 141.46	β = 117.46
c = 76.58	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
MOLREP	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-10 
Deposition Author(s): Teplyakov, A., Obmolova, G., Malia, T., Gilliland, G.L.

Revision History  

• Version 1.0: 2010-11-10
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-07-20
  Changes: Database references
• Version 1.3: 2011-10-26
  Changes: Database references
• Version 1.4: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.5: 2024-10-16
  Changes: Structure summary