9CI8

T cell receptor complex

• PDB DOI: https://doi.org/10.2210/pdb9CI8/pdb
• EM Map EMD-45614: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Cricetulus griseus
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2024-07-02 Released: 2024-07-31 
• Deposition Author(s): Gully, B.S., Rossjohn, J.
• Funding Organization(s): Australian Research Council (ARC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.01 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental

Literature

T cell receptor complex

Gully, B.S., Rossjohn, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 12-mer - A2B2C2D2E1F1G1H1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 12-mer - A4B4C2D1E1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - C2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - C2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 163.3 kDa 
• Atom Count: 10,466 
• Modelled Residue Count: 1,382 
• Deposited Residue Count: 1,476 
• Unique protein chains: 8

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UCHT1 Fab	A, C	214	Homo sapiens	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
UCHT1 Fab chain 2	B, D	222	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
T-cell surface glycoprotein CD3 zeta chain	E [auth a], F [auth b]	31	Homo sapiens	Mutation(s): 0  Gene Names: CD247, CD3Z, T3Z, TCRZ Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P20963 (Homo sapiens) Explore P20963  Go to UniProtKB:  P20963
PHAROS:  P20963 GTEx:  ENSG00000198821

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
T-cell surface glycoprotein CD3 delta chain	G [auth d]	105	Homo sapiens	Mutation(s): 0  Gene Names: CD3D, T3D Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P04234 (Homo sapiens) Explore P04234  Go to UniProtKB:  P04234
PHAROS:  P04234 GTEx:  ENSG00000167286

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
T-cell surface glycoprotein CD3 epsilon chain	H [auth e], I [auth f]	124	Homo sapiens	Mutation(s): 0  Gene Names: CD3E, T3E Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P07766 (Homo sapiens) Explore P07766  Go to UniProtKB:  P07766
PHAROS:  P07766 GTEx:  ENSG00000198851

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
T-cell surface glycoprotein CD3 gamma chain	J [auth g]	115	Homo sapiens	Mutation(s): 0  Gene Names: CD3G, T3G Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P09693 (Homo sapiens) Explore P09693  Go to UniProtKB:  P09693
PHAROS:  P09693 GTEx:  ENSG00000160654

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
T cell receptor delta constant	K [auth m]	36	Homo sapiens	Mutation(s): 0  Gene Names: TRDC
UniProt & NIH Common Fund Data Resources
Find proteins for A0A075B6X2 (Homo sapiens) Explore A0A075B6X2  Go to UniProtKB:  A0A075B6X2
GTEx:  ENSG00000211829

Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
T cell receptor gamma constant 1	L [auth n]	38	Homo sapiens	Mutation(s): 0  Gene Names: TRGC1, TCRGC1 Membrane Entity: Yes
UniProt
Find proteins for P0CF51 (Homo sapiens) Explore P0CF51  Go to UniProtKB:  P0CF51

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.01 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.19.2
RECONSTRUCTION	cryoSPARC	v4.2.0

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-31 
Deposition Author(s): Gully, B.S., Rossjohn, J.

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Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DP230102073

Revision History  

• Version 1.0: 2024-07-31
  Type: Initial release