6O89 | pdb_00006o89

Anti-CD28xCD3 CODV Fab

• PDB DOI: https://doi.org/10.2210/pdb6O89/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2019-03-09 Released: 2019-11-20 
• Deposition Author(s): Lord, D.M., Wei, R.R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free: 
  0.222 (Depositor), 0.222 (DCC) 
• R-Value Work: 
  0.177 (Depositor), 0.178 (DCC) 
• R-Value Observed: 
  0.179 (Depositor) 

Starting Models: experimental

Literature

Trispecific antibodies enhance the therapeutic efficacy of tumor-directed T cells through T cell receptor co-stimulation

Wu, L., Seung, E., Xu, L., Rao, E., Lord, D.M., Wei, R.R., Cortez-Retamozo, V., Ospina, B., Posternak, V., Ulinski, G., Piepenhagen, P., Francesconi, E., El Murr, N., Beil, C., Dabdoubi, T., Cameron, B., Bertrand, T., Ferrari, P., Pouzieux, S., Lemoine, C., Prades, C., Park, A., Qiu, H., Song, Z., Zhang, B., Sun, F., Chiron, M., Rao, S., Radosevic, K., Zhi-yong, Y., Nabel, G.J.

(2020) Nat Cancer 1: 86-98

• DOI: https://doi.org/10.1038/s43018-019-0004-z

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 75.99 kDa 
• Atom Count: 5,605 
• Modeled Residue Count: 680 
• Deposited Residue Count: 696 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Anti-CD28xCD3 CODV-Fab Heavy chain	A [auth H]	358	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Anti-CD28xCD3 CODV-Fab Light chain	B [auth L]	338	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free:  0.222 (Depositor), 0.222 (DCC) 
• R-Value Work:  0.177 (Depositor), 0.178 (DCC) 
• R-Value Observed: 0.179 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.05	α = 90
b = 73.39	β = 90
c = 150.4	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-11-20 
Deposition Author(s): Lord, D.M., Wei, R.R.

Revision History  

• Version 1.0: 2019-11-20
  Type: Initial release
  
• Version 1.1: 2020-06-03
  Changes: Database references
• Version 1.2: 2023-10-11
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2024-11-20
  Changes: Structure summary