8I13

Cryo-EM structure of 6-subunit Smc5/6

• PDB DOI: https://doi.org/10.2210/pdb8I13/pdb
• EM Map EMD-35116: EMDB EMDataResource

• Classification: CELL CYCLE
• Organism(s): Saccharomyces cerevisiae
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2023-01-12 Released: 2024-06-26 
• Deposition Author(s): Qian, L., Jun, Z., Xiang, Z., Cheng, T., Zhaoning, W., Duo, J., Zhenguo, C., Wang, L.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 6.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structures of Smc5/6 in multiple states reveal its assembly and functional mechanisms.

Qian, L., Jun, Z., Xiang, Z., Wang, Z., Tong, C., Duo, J., Zhenguo, C., Wang, L.

(2024) Nat Struct Mol Biol 

• DOI: https://doi.org/10.1038/s41594-024-01319-1

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 6-mer - A1B1C1D1E1F1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 403.4 kDa 
• Atom Count: 25,671 
• Modelled Residue Count: 3,186 
• Deposited Residue Count: 3,515 
• Unique protein chains: 6

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SMC6 isoform 1	A [auth B]	1,114	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: SMC6
UniProt
Find proteins for A0A8H4BXH7 (Saccharomyces cerevisiae) Explore A0A8H4BXH7  Go to UniProtKB:  A0A8H4BXH7

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Structural maintenance of chromosomes protein 5	B [auth A]	1,093	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: SMC5
UniProt
Find proteins for A0A6V8S000 (Saccharomyces cerevisiae) Explore A0A6V8S000  Go to UniProtKB:  A0A6V8S000

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
MMS21 isoform 1	C	267	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: MMS21
UniProt
Find proteins for A0A8H8ULJ5 (Saccharomyces cerevisiae) Explore A0A8H8ULJ5  Go to UniProtKB:  A0A8H8ULJ5

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-structural maintenance of chromosomes element 1 homolog	D [auth F]	336	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: NSE1
UniProt
Find proteins for A0A8H4F9V3 (Saccharomyces cerevisiae) Explore A0A8H4F9V3  Go to UniProtKB:  A0A8H4F9V3

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
NSE3 isoform 1	E [auth G]	303	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: NSE3
UniProt
Find proteins for A0A8H8UNJ0 (Saccharomyces cerevisiae) Explore A0A8H8UNJ0  Go to UniProtKB:  A0A8H8UNJ0

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-structural maintenance of chromosomes element 4	F [auth H]	402	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: NSE4
UniProt
Find proteins for A0A6L0Z6W9 (Saccharomyces cerevisiae) Explore A0A6L0Z6W9  Go to UniProtKB:  A0A6L0Z6W9

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 6.90 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-26 
Deposition Author(s): Qian, L., Jun, Z., Xiang, Z., Cheng, T., Zhaoning, W., Duo, J., Zhenguo, C., Wang, L.

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Funding Organization	Location	Grant Number
Other government		--

Revision History  

• Version 1.0: 2024-06-26
  Type: Initial release