1L6X

FC FRAGMENT OF RITUXIMAB BOUND TO A MINIMIZED VERSION OF THE B-DOMAIN FROM PROTEIN A CALLED Z34C

• PDB DOI: https://doi.org/10.2210/pdb1L6X/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): No 


• Deposited: 2002-03-14 Released: 2002-04-10 
• Deposition Author(s): Idusogie, E.E., Presta, L.G., Santoro-Gazzano, H., Totpal, K., Wong, P.Y., Ultsch, M., Meng, Y.G., Mullkerrin, M.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 0.284 
• R-Value Work: 0.206 
• R-Value Observed: 0.206 

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: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 29.53 kDa 
• Atom Count: 2,430 
• Modelled Residue Count: 241 
• Deposited Residue Count: 241 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION	A	207	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P01857 (Homo sapiens) Explore P01857  Go to UniProtKB:  P01857
PHAROS:  P01857 GTEx:  ENSG00000211896

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Minimized B-domain of Protein A Z34C	B	34	N/A	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	C	10		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G23770JR GlyCosmos:  G23770JR GlyGen:  G23770JR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 0.284 
• R-Value Work: 0.206 
• R-Value Observed: 0.206 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.023	α = 90
b = 124.774	β = 90
c = 90.131	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
X-PLOR	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-04-10 
Deposition Author(s): Idusogie, E.E., Presta, L.G., Santoro-Gazzano, H., Totpal, K., Wong, P.Y., Ultsch, M., Meng, Y.G., Mullkerrin, M.G.

Revision History  

• Version 1.0: 2002-04-10
  Type: Initial release
  
• Version 1.1: 2008-04-28
  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: Advisory, Atomic model, Data collection, Derived calculations, Structure summary
• Version 2.1: 2023-08-16
  Changes: Advisory, Data collection, Database references, Refinement description, Structure summary