8WOC

Cryo-EM structure of SIR2/HerA complex

• PDB DOI: https://doi.org/10.2210/pdb8WOC/pdb
• EM Map EMD-37682: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Paenibacillus sp. 453mf
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-10-07 Released: 2024-09-11 
• Deposition Author(s): Yu, G., Liao, F., Li, X., Li, Z., Zhang, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.28 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Cryo-EM structure of a bacterial protein

Yu, G., Liao, F., Li, X., Li, Z., Zhang, H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 13-mer - A6B5C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 13-mer - A7B5C1 

Local Symmetry: Helical - H  (Explore in 3D)
Local Stoichiometry: Homo 6-mer - A6 Local Symmetry: Helical - H  (Explore in 3D)
Local Stoichiometry: Homo 5-mer - B5 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 771.02 kDa 
• Atom Count: 41,220 
• Modelled Residue Count: 5,845 
• Deposited Residue Count: 6,843 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Helicase HerA central domain-containing protein	A, B [auth D], E [auth L], F [auth M], G [auth N], H [auth O]	696	Paenibacillus sp. 453mf	Mutation(s): 0  Gene Names: SAMN04488601_104156
UniProt
Find proteins for A0A1I6T0T5 (Paenibacillus sp. 453mf) Explore A0A1I6T0T5  Go to UniProtKB:  A0A1I6T0T5

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
SIR2-like domain-containing protein	C [auth J], D [auth K], I [auth P], J [auth Q], K [auth R], L [auth S], M [auth T]	381	Paenibacillus sp. 453mf	Mutation(s): 0  Gene Names: SAMN04488601_104157
UniProt
Find proteins for A0A1I6T0R8 (Paenibacillus sp. 453mf) Explore A0A1I6T0R8  Go to UniProtKB:  A0A1I6T0R8

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.28 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-11 
Deposition Author(s): Yu, G., Liao, F., Li, X., Li, Z., Zhang, H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32200496

Revision History  

• Version 1.0: 2024-09-11
  Type: Initial release