8BW0

Structure of CEACAM5 A3-B3 domain in Complex with Tusamitamab Fab

• PDB DOI: https://doi.org/10.2210/pdb8BW0/pdb
• EM Map EMD-16279: EMDB EMDataResource

• Classification: CELL ADHESION
• Organism(s): Mus sp., Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2022-12-06 Released: 2024-01-24 
• Deposition Author(s): Kumar, A., Bertrand, T., Rapisarda, C., Rak, A.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.11 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural insights into epitope-paratope interactions of monoclonal antibody targeting CEACAM5-expressing tumors

Rak, A., Kumar, A., Duffi, F., Gagnaire, M., Rapisarda, C., Bertrand, T.

(2023) Res Sq 

• DOI: https://doi.org/10.21203/rs.3.rs-3235785/v1

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: microscopy

Macromolecule Content

• Total Structure Weight: 71.78 kDa 
• Atom Count: 3,201 
• Modelled Residue Count: 398 
• Deposited Residue Count: 641 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tusamitamab Fab heavy Chain	A [auth H]	234	Mus sp.	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Tusamitamab Light Chain	B [auth L]	214	Mus sp.	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Carcinoembryonic antigen-related cell adhesion molecule 5	C	193	Homo sapiens	Mutation(s): 0  Gene Names: CEACAM5, CEA
UniProt & NIH Common Fund Data Resources
Find proteins for P06731 (Homo sapiens) Explore P06731  Go to UniProtKB:  P06731
PHAROS:  P06731 GTEx:  ENSG00000105388

Oligosaccharides

Help

Entity ID: 4
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	D [auth A], F [auth D]	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Entity ID: 5
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	E [auth B]	6		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G82348BZ GlyCosmos:  G82348BZ GlyGen:  G82348BZ

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	G [auth C], H [auth C], I [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.11 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	3.2
MODEL REFINEMENT	PHENIX	1.19.2

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-01-24 
Deposition Author(s): Kumar, A., Bertrand, T., Rapisarda, C., Rak, A.

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Funding Organization	Location	Grant Number
Other private	France	--

Revision History  

• Version 1.0: 2024-01-24
  Type: Initial release