8HRM

Cryo-EM structure of streptavidin

• PDB DOI: https://doi.org/10.2210/pdb8HRM/pdb
• EM Map EMD-34978: EMDB EMDataResource

• Classification: CYTOSOLIC PROTEIN
• Organism(s): Streptomyces avidinii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-12-15 Released: 2023-12-20 
• Deposition Author(s): Xu, J., Liu, N., Wang, H.W.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.56 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Self-assembled monolayers guided free-standing atomic-crystal/molecule superstructure

Zheng, L., Xu, J., Wang, W., Gao, X., Liu, N., Wang, H.W., Peng, H.L.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 50.39 kDa 
• Atom Count: 3,567 
• Modelled Residue Count: 476 
• Deposited Residue Count: 476 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Streptavidin	A, B, C, D	119	Streptomyces avidinii	Mutation(s): 0
UniProt
Find proteins for P22629 (Streptomyces avidinii) Explore P22629  Go to UniProtKB:  P22629

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.56 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-20 
Deposition Author(s): Xu, J., Liu, N., Wang, H.W.

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

Revision History  

• Version 1.0: 2023-12-20
  Type: Initial release