26CW | pdb_000026cw

Cryo-EM structure of streptavidin within graphene reservoir sandwich

PDB DOI: https://doi.org/10.2210/pdb26CW/pdb
EM Map EMD-66424: EMDB EMDataResource

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

Deposited: 2026-04-27 Released: 2026-09-30
Deposition Author(s): Song, J.L., Liu, N., Wang, H.W.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.46 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 26CW

This is version 1.0 of the entry. See complete history.

Literature

Control of ice thickness in cryo-EM via confinement

Zheng, L.M., Song, J.L., Zhao, X.L., Liu, N., Peng, H.L., Wang, H.W.

To be published.

Macromolecule Content

Total Structure Weight: 50.39 kDa
Atom Count: 3,548
Modeled Residue Count: 476
Deposited Residue Count: 476
Unique protein chains: 1

Macromolecules

Find similar proteins by:

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
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P22629
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.46 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-30

Deposition Author(s):

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

Revision History (Full details and data files)

Version 1.0: 2026-09-30
Type: Initial release