5AUM

Crystal structure of a Fab fragment with the ligand peptide

• PDB DOI: https://doi.org/10.2210/pdb5AUM/pdb

• Classification: IMMUNE SYSTEM/PEPTIDE
• Organism(s): Rattus, Potyviridae
• Expression System: Mammalia
• Mutation(s): No 


• Deposited: 2015-04-30 Released: 2016-08-10 
• Deposition Author(s): Kitago, Y., Takagi, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.221 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 

Literature

Crystal structure of a Fab fragment with the ligand peptide

Kitago, Y., Takagi, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Macromolecule Content

• Total Structure Weight: 106.62 kDa 
• Atom Count: 7,201 
• Modelled Residue Count: 871 
• Deposited Residue Count: 984 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heavy chain of Fab fragment	A [auth H], B [auth A]	242	Rattus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Light chain of Fab fragment	C [auth B], D [auth L]	239	Rattus	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
peptide RENLYFQGKDG	E [auth C], F [auth D]	11	Potyviridae	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	G [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 0.221 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 217.768	α = 90
b = 217.768	β = 90
c = 52.236	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-08-10 
Deposition Author(s): Kitago, Y., Takagi, J.

Revision History  

• Version 1.0: 2016-08-10
  Type: Initial release
  
• Version 1.1: 2020-02-19
  Changes: Data collection, Derived calculations
• Version 1.2: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description