2FBJ

REFINED CRYSTAL STRUCTURE OF THE GALACTAN-BINDING IMMUNOGLOBULIN FAB J539 AT 1.95-ANGSTROMS RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2FBJ/pdb
• Entry: 2FBJ supersedes: 1FBJ

• Classification: IMMUNOGLOBULIN
• Organism(s): Mus musculus
• Mutation(s): No 


• Deposited: 1989-08-18 Released: 1990-07-15 
• Deposition Author(s): Bhat, T.N., Padlan, E.A., Davies, D.R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Observed: 0.194 

Literature

Refined Crystal Structure of the Galactan-Binding Immunoglobulin Fab J539 at 1.95-Angstroms Resolution

Bhat, T.N., Padlan, E.A., Davies, D.R.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 48.29 kDa 
• Atom Count: 3,761 
• Modelled Residue Count: 433 
• Deposited Residue Count: 433 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IGA-KAPPA J539 FAB (LIGHT CHAIN)	A [auth L]	213	Mus musculus	Mutation(s): 0
UniProt
Find proteins for P01679 (Mus musculus) Explore P01679  Go to UniProtKB:  P01679

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
IGA-KAPPA J539 FAB (HEAVY CHAIN)	B [auth H]	220	Mus musculus	Mutation(s): 0
UniProt
Find proteins for P01810 (Mus musculus) Explore P01810  Go to UniProtKB:  P01810
Glycosylation
Glycosylation Sites: 2		Go to GlyGen: P01810-1

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C [auth A]	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	D [auth B]	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G21290RB GlyCosmos:  G21290RB GlyGen:  G21290RB

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Observed: 0.194 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.018	α = 90
b = 74.289	β = 90
c = 131.347	γ = 90

Software Package:

Software Name	Purpose
PROLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1990-07-15 
Deposition Author(s): Bhat, T.N., Padlan, E.A., Davies, D.R.
• This entry supersedes: 1FBJ

Revision History  

• Version 1.0: 1990-07-15
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2013-09-11
  Changes: Source and taxonomy
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Other, Structure summary
• Version 2.1: 2024-10-23
  Changes: Data collection, Database references, Structure summary