9L3G | pdb_00009l3g

Structure of the flotillin complex

• PDB DOI: https://doi.org/10.2210/pdb9L3G/pdb
• EM Map EMD-62785: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2024-12-18 Released: 2025-12-24 
• Deposition Author(s): Lu, M., Gao, N.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.58 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Molecular mechanisms of flotillin complexes in organizing membrane microdomains

Lu, M., Gao, N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C22  (Explore in 3D)
Global Stoichiometry: Hetero 44-mer - A22B22 Pseudo Symmetry: Cyclic - C44  (Explore in 3D)
Pseudo Stoichiometry: Homo 44-mer - A44 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 2,168.9 kDa 
• Atom Count: 138,556 
• Modeled Residue Count: 17,886 
• Deposited Residue Count: 19,580 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Flotillin-1	A, AA [auth G], C [auth B], CA [auth K], E [auth I], EA [auth P], G [auth N], GA [auth U], I [auth C], IA [auth V], K [auth D], KA [auth R], M [auth J], MA [auth T], O, OA [auth L], Q [auth E], QA [auth M], S [auth H], U [auth Q], W [auth S], Y [auth F]	462	Homo sapiens	Mutation(s): 0  Gene Names: FLOT1
UniProt & NIH Common Fund Data Resources
Find proteins for O75955 (Homo sapiens) Explore O75955  Go to UniProtKB:  O75955
PHAROS:  O75955 GTEx:  ENSG00000137312

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Flotillin-2	B [auth a], BA [auth g], D [auth b], DA [auth k], F [auth i], FA [auth p], H [auth n], HA [auth u], J [auth c], JA [auth v], L [auth d], LA [auth r], N [auth j], NA [auth t], P [auth o], PA [auth l], R [auth e], RA [auth m], T [auth h], V [auth q], X [auth s], Z [auth f]	428	Homo sapiens	Mutation(s): 0  Gene Names: FLOT2, ESA1, M17S1
UniProt & NIH Common Fund Data Resources
Find proteins for Q14254 (Homo sapiens) Explore Q14254  Go to UniProtKB:  Q14254
PHAROS:  Q14254 GTEx:  ENSG00000132589

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.58 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-12-24 
Deposition Author(s): Lu, M., Gao, N.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	92354306

Revision History  

• Version 1.0: 2025-12-24
  Type: Initial release