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 9Z0S | pdb_00009z0s

Fab/epitope complex structure of anti-Tau monoclonal antibody PHF-1

  • Classification: NEUROPEPTIDE/IMMUNE SYSTEM
  • Organism(s): Mus musculus, Homo sapiens
  • Expression System: Homo sapiens
  • Mutation(s): No 

  • Deposited: 2025-11-03 Released: 2026-10-14 
  • Deposition Author(s): Pan, R., Kong, X.P.
  • Funding Organization(s): National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS), National Institutes of Health/National Institute on Aging (NIH/NIA)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.55 Å
  • R-Value Free: 
    0.245 (Depositor), 0.243 (DCC) 
  • R-Value Work: 
    0.183 (Depositor), 0.183 (DCC) 
  • R-Value Observed: 
    0.186 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 9Z0S

This is version 1.0 of the entry. See complete history. 

Literature

Tau pSer396 and pSer404 Define Distinct Epitope Regions Linked to Different Antibody Functions

Pan, R., Congdon, E.E., Chukwu, J.E., Luo, C.C., Sigurdsson, E.M., Kong, X.P.

(2026) bioRxiv 

Macromolecule Content 

  • Total Structure Weight: 302.04 kDa 
  • Atom Count: 21,526 
  • Modeled Residue Count: 2,682 
  • Deposited Residue Count: 2,790 
  • Unique protein chains: 3

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Light chain of Fab fragment of anti-Tau mAb PHF-1219Mus musculusMutation(s): 0 
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Reference Sequence
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|  3D Structure
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Heavy chain of Fab fragment of anti-Tau mAb PHF-1223Mus musculusMutation(s): 0 
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Reference Sequence
Find similar proteins by:  Sequence   |   3D Structure  
Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
Microtubule-associated protein tau23Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens)
Explore P10636 
Go to UniProtKB:  P10636
PHAROS:  P10636
GTEx:  ENSG00000186868 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP10636
Sequence Annotations
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Reference Sequence

Small Molecules

Modified Residues  1 Unique
IDChains Modified ResidueModification TypeFormula2D Diagram
SEP
Query on SEP		SERPhosphorylationC3 H8 N O6 P

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.55 Å
  • R-Value Free:  0.245 (Depositor), 0.243 (DCC) 
  • R-Value Work:  0.183 (Depositor), 0.183 (DCC) 
  • R-Value Observed: 0.186 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 91.003α = 90
b = 120.505β = 106.859
c = 142.399γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHENIXphasing

Structure Validation

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Entry History 

& Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)United StatesR01 NS120488
National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)United StatesR01 NS077239
National Institutes of Health/National Institute on Aging (NIH/NIA)United StatesR01 AG032611
National Institutes of Health/National Institute on Aging (NIH/NIA)United StatesR21 AG059391

Revision History  (Full details and data files)

  • Version 1.0: 2026-10-14
    Type: Initial release