8K53

Structure of the Dimeric Human CNTN2 Ig 1-6-FNIII 1-2 Domain in an Asymmetric State

• PDB DOI: https://doi.org/10.2210/pdb8K53/pdb
• EM Map EMD-36896: EMDB EMDataResource

• Classification: CELL ADHESION
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2023-07-21 Released: 2023-12-06 
• Deposition Author(s): Zhang, Z.Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.80 Å
• Aggregation State: CELL 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of human CNTN2 immunoglobulin domains 1-6 homo-dimer

Zhang, Z.Z., Shi, Z.B., Wang, D.P.

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 and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 217.69 kDa 
• Atom Count: 10,602 
• Modelled Residue Count: 1,350 
• Deposited Residue Count: 1,964 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Contactin-2	A, B	982	Homo sapiens	Mutation(s): 0  Gene Names: CNTN2, AXT, TAG1, TAX1
UniProt & NIH Common Fund Data Resources
Find proteins for Q02246 (Homo sapiens) Explore Q02246  Go to UniProtKB:  Q02246
PHAROS:  Q02246 GTEx:  ENSG00000184144

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	C	3		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE GlyCosmos:  G15407YE GlyGen:  G15407YE

Entity ID: 3
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, E, F	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG (Subject of Investigation/LOI)	G [auth A], H [auth A], I [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.80 Å
• Aggregation State: CELL 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-06 
Deposition Author(s): Zhang, Z.Z.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	82201315
National Natural Science Foundation of China (NSFC)	China	K19381005

Revision History  

• Version 1.0: 2023-12-06
  Type: Initial release