8HKI

Human TRiC open state

• PDB DOI: https://doi.org/10.2210/pdb8HKI/pdb
• EM Map EMD-34852: EMDB EMDataResource

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): Yes 


• Deposited: 2022-11-27 Released: 2023-12-13 
• Deposition Author(s): Cong, Y., Liu, C.X.
• Funding Organization(s): Chinese Academy of Sciences

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Pathway and mechanism of tubulin folding mediated by TRiC/CCT conjugated with its ATPase cycle revealed by cryo-EM

Cong, Y., Liu, C.X.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 16-mer - A2B2C2D2E2F2G2H1I1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 16-mer - A7B6C3 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Hetero 14-mer - A2B2C2D2E2F2G2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Hetero 14-mer - A2B2C2D2E2F2G2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 949.28 kDa 
• Atom Count: 33,926 
• Modelled Residue Count: 4,487 
• Deposited Residue Count: 8,672 
• Unique protein chains: 8

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit alpha	A [auth a], B [auth A]	556	Homo sapiens	Mutation(s): 0  Gene Names: TCP1, CCT1, CCTA
UniProt & NIH Common Fund Data Resources
Find proteins for P17987 (Homo sapiens) Explore P17987  Go to UniProtKB:  P17987
PHAROS:  P17987 GTEx:  ENSG00000120438

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit beta	C [auth b], D [auth B]	535	Homo sapiens	Mutation(s): 0  Gene Names: CCT2, 99D8.1, CCTB
UniProt & NIH Common Fund Data Resources
Find proteins for P78371 (Homo sapiens) Explore P78371  Go to UniProtKB:  P78371
PHAROS:  P78371 GTEx:  ENSG00000166226

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit delta	E [auth D], F [auth d]	539	Homo sapiens	Mutation(s): 0  Gene Names: CCT4, CCTD, SRB
UniProt & NIH Common Fund Data Resources
Find proteins for P50991 (Homo sapiens) Explore P50991  Go to UniProtKB:  P50991
PHAROS:  P50991 GTEx:  ENSG00000115484

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit epsilon	G [auth E], H [auth e]	539	Homo sapiens	Mutation(s): 0  Gene Names: CCT5, CCTE, KIAA0098
UniProt & NIH Common Fund Data Resources
Find proteins for P48643 (Homo sapiens) Explore P48643  Go to UniProtKB:  P48643
PHAROS:  P48643 GTEx:  ENSG00000150753

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit gamma	I [auth g], J [auth G]	545	Homo sapiens	Mutation(s): 0  Gene Names: CCT3, CCTG, TRIC5
UniProt & NIH Common Fund Data Resources
Find proteins for P49368 (Homo sapiens) Explore P49368  Go to UniProtKB:  P49368
PHAROS:  P49368 GTEx:  ENSG00000163468

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit eta	K [auth h], L [auth H]	543	Homo sapiens	Mutation(s): 1  Gene Names: CCT7
UniProt & NIH Common Fund Data Resources
Find proteins for Q99832 (Homo sapiens) Explore Q99832  Go to UniProtKB:  Q99832
PHAROS:  Q99832 GTEx:  ENSG00000135624

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit theta	M [auth Q], N [auth q]	548	Homo sapiens	Mutation(s): 0  Gene Names: CCT8, C21orf112, CCTQ
UniProt & NIH Common Fund Data Resources
Find proteins for P50990 (Homo sapiens) Explore P50990  Go to UniProtKB:  P50990
PHAROS:  P50990 GTEx:  ENSG00000156261

Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
T-complex protein 1 subunit zeta	O [auth Z], P [auth z]	531	Homo sapiens	Mutation(s): 0  Gene Names: CCT6A, CCT6, CCTZ
UniProt & NIH Common Fund Data Resources
Find proteins for P40227 (Homo sapiens) Explore P40227  Go to UniProtKB:  P40227
PHAROS:  P40227 GTEx:  ENSG00000146731

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP (Subject of Investigation/LOI)	Q [auth g], R [auth G], S [auth Q], T [auth q], U [auth Z], V [auth z]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-13 
Deposition Author(s): Cong, Y., Liu, C.X.

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Funding Organization	Location	Grant Number
Chinese Academy of Sciences	China	XDB29040300

Revision History  

• Version 1.0: 2023-12-13
  Type: Initial release