9EGP | pdb_00009egp

Cryo-EM of type IV pilus from Geobacter metallireducens

• PDB DOI: https://doi.org/10.2210/pdb9EGP/pdb
• EM Map EMD-47993: EMDB EMDataResource

• Classification: PROTEIN FIBRIL
• Organism(s): Geobacter metallireducens
• Mutation(s): No 


• Deposited: 2024-11-21 Released: 2025-11-26 
• Deposition Author(s): Egorova, M., Petersen, H.A., Chan, C.H., Bond, D.R., Wang, F.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Cryo-EM of type IV pilus from Geobacter metallireducens

Egorova, M., Petersen, H.A., Chan, C.H., Bond, D.R., Wang, F.

To be published.

Biological Assembly 1  

Global Symmetry: Helical - H  (Explore in 3D)
Global Stoichiometry: Hetero 48-mer - A24B24 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 19.44 kDa 
• Atom Count: 1,127 
• Modeled Residue Count: 151 
• Deposited Residue Count: 182 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Geopilin domain 2 protein	A [auth B]	113	Geobacter metallireducens	Mutation(s): 0
UniProt
Find proteins for Q39VU0 (Geobacter metallireducens (strain ATCC 53774 / DSM 7210 / GS-15)) Explore Q39VU0  Go to UniProtKB:  Q39VU0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Geopilin domain 1 protein	B [auth A]	69	Geobacter metallireducens	Mutation(s): 0
UniProt
Find proteins for Q39VU1 (Geobacter metallireducens (strain ATCC 53774 / DSM 7210 / GS-15)) Explore Q39VU1  Go to UniProtKB:  Q39VU1

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-26 
Deposition Author(s): Egorova, M., Petersen, H.A., Chan, C.H., Bond, D.R., Wang, F.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM138756

Revision History  

• Version 1.0: 2025-11-26
  Type: Initial release