9H8H | pdb_00009h8h

Structure of DC11 anti tau antibody Fab fragment

• PDB DOI: https://doi.org/10.2210/pdb9H8H/pdb

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


• Deposited: 2024-10-29 Released: 2025-11-12 
• Deposition Author(s): Cehlar, O., Njemoga, S.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.33 Å
• R-Value Free: 
  0.196 (Depositor), 0.196 (DCC) 
• R-Value Work: 
  0.145 (Depositor), 0.145 (DCC) 

Starting Model: experimental

Literature

Structure of DC11 anti tau antibody Fab fragment

Cehlar, O., Njemoga, S.

To be published.

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.

Macromolecule Content 

• Total Structure Weight: 47.34 kDa 
• Atom Count: 3,925 
• Modeled Residue Count: 433 
• Deposited Residue Count: 433 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DC11	A	214	Mus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Igk protein	B [auth D]	219	Mus	Mutation(s): 0  Gene Names: Igk
UniProt
Find proteins for Q58EU8 (Mus musculus) Explore Q58EU8  Go to UniProtKB:  Q58EU8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	C [auth D]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.33 Å
• R-Value Free:  0.196 (Depositor), 0.196 (DCC) 
• R-Value Work:  0.145 (Depositor), 0.145 (DCC) 

Diffraction Data: https://doi.org/10.5281/zenodo.17206499

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.901	α = 90
b = 88.445	β = 94.803
c = 57.464	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
autoPROC	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-12 
Deposition Author(s): Cehlar, O., Njemoga, S.

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Funding Organization	Location	Grant Number
Other government	Slovakia	09I03-03-V04-00623
Other government	Slovakia	APVV 21-0479

Revision History  

• Version 1.0: 2025-11-12
  Type: Initial release