9C24 | pdb_00009c24

Fab F946 in complex with OspCB

• PDB DOI: https://doi.org/10.2210/pdb9C24/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Borreliella burgdorferi B31
• Expression System: Cricetulus griseus, Escherichia coli B
• Mutation(s): No 


• Deposited: 2024-05-30 Released: 2025-08-27 
• Deposition Author(s): Rudolph, M.J., Mantis, N.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.288 (Depositor), 0.288 (DCC) 
• R-Value Work: 
  0.234 (Depositor), 0.234 (DCC) 
• R-Value Observed: 
  0.237 (Depositor) 

Starting Models: experimental

Literature

Fab F946 in complex with OspCB

Rudolph, M.J., Mantis, N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A2B2C2 

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

Macromolecule Content 

• Total Structure Weight: 130.84 kDa 
• Atom Count: 8,726 
• Modeled Residue Count: 1,142 
• Deposited Residue Count: 1,218 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
F946 Fab Heavy Chain	A [auth H], C [auth A]	230	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
F946 Fab Light Chain	B [auth L], D [auth B]	214	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer surface protein C	E [auth C], F [auth D]	165	Borreliella burgdorferi B31	Mutation(s): 0  Gene Names: ospC
UniProt
Find proteins for Q44977 (Borreliella burgdorferi) Explore Q44977  Go to UniProtKB:  Q44977

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.288 (Depositor), 0.288 (DCC) 
• R-Value Work:  0.234 (Depositor), 0.234 (DCC) 
• R-Value Observed: 0.237 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.794	α = 90
b = 96.459	β = 90
c = 188.671	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-27 
Deposition Author(s): Rudolph, M.J., Mantis, N.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	75N93019C00040

Revision History  

• Version 1.0: 2025-08-27
  Type: Initial release