1MFB

HIGH RESOLUTION STRUCTURES OF ANTIBODY FAB FRAGMENT COMPLEXED WITH CELL-SURFACE OLIGOSACCHARIDE OF PATHOGENIC SALMONELLA

• PDB DOI: https://doi.org/10.2210/pdb1MFB/pdb

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


• Deposited: 1993-10-25 Released: 1994-01-31 
• Deposition Author(s): Zdanov, A., Cygler, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Work: 0.160 
• R-Value Observed: 0.160 

Literature

Recognition of a carbohydrate antigenic determinant of Salmonella by an antibody.

Cygler, M., Wu, S., Zdanov, A., Bundle, D.R., Rose, D.R.

(1993) Biochem Soc Trans 21: 437-441

• PubMed: 7689495 
• DOI: https://doi.org/10.1042/bst0210437
• Primary Citation of Related Structures:  
  1MFB, 1MFC

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Organizational Affiliation: 

Biotechnology Research Institute, NRCC, Montréal, Québec, Canada.

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: 47.79 kDa 
• Atom Count: 3,505 
• Modelled Residue Count: 424 
• Deposited Residue Count: 434 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IGG1-LAMBDA SE155-4 FAB (LIGHT CHAIN)	A [auth L]	215	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
IGG1-LAMBDA SE155-4 FAB (HEAVY CHAIN)	B [auth H]	219	Mus musculus	Mutation(s): 0

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-galactopyranose-(1-2)-alpha-D-mannopyranose-(1-4)-alpha-L-rhamnopyranose-(1-3)-alpha-D-galactopyranose-(1-2)-[alpha-D-Abequopyranose-(1-3)]alpha-D-mannopyranose-(1-4)-alpha-L-rhamnopyranose	C [auth A]	7		N/A
Glycosylation Resources
GlyTouCan:  G77755BV GlyCosmos:  G77755BV

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Work: 0.160 
• R-Value Observed: 0.160 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.3	α = 90
b = 129	β = 90
c = 79.9	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1994-01-31 
Deposition Author(s): Zdanov, A., Cygler, M.

Revision History  

• Version 1.0: 1994-01-31
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Database references, Derived calculations, Other, Structure summary
• Version 2.1: 2024-11-06
  Changes: Data collection, Database references, Structure summary