9FWZ | pdb_00009fwz

Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (Local refinement including FimD, FimC, FimAn, FimAn-1 and FimAn-2)

PDB DOI: https://doi.org/10.2210/pdb9FWZ/pdb
EM Map EMD-50838: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Escherichia coli
Expression System: Escherichia coli, Escherichia coli BL21(DE3)
Mutation(s): No
Membrane Protein: Yes MemProtMD

Deposited: 2024-07-01 Released: 2025-06-04
Deposition Author(s): Bachmann, P., Afanasyev, P., Boehringer, D., Glockshuber, R.
Funding Organization(s): Swiss National Science Foundation

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 9FWZ

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

Literature

Cryo-EM structure of the type 1 pilus assembly platform as part of the FimA-bound chaperone-usher pilus complex (Local refinement including FimD, FimC, FimAn, FimAn-1 and FimAn-2)

Bachmann, P., Afanasyev, P., Boehringer, D., Glockshuber, R.

To be published.

Macromolecule Content

Total Structure Weight: 163.88 kDa
Atom Count: 9,987
Modeled Residue Count: 1,331
Deposited Residue Count: 1,533
Unique protein chains: 3

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane usher protein FimD	A [auth D]	847	Escherichia coli	Mutation(s): 0 Gene Names: fimD, b4317, JW5780 Membrane Entity: Yes
UniProt
Find proteins for P30130 (Escherichia coli (strain K12)) Explore P30130 Go to UniProtKB: P30130
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P30130
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Chaperone protein FimC	B [auth C]	206	Escherichia coli	Mutation(s): 0 Gene Names: fimC, b4316, JW4279 Membrane Entity: Yes
UniProt
Find proteins for P31697 (Escherichia coli (strain K12)) Explore P31697 Go to UniProtKB: P31697
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P31697
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Type-1 fimbrial protein, A chain	C [auth B], D [auth A], E	160	Escherichia coli	Mutation(s): 0 Gene Names: fimA, pilA, b4314, JW4277 Membrane Entity: Yes
UniProt
Find proteins for P04128 (Escherichia coli (strain K12)) Explore P04128 Go to UniProtKB: P04128
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P04128
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.1_5286:

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-06-04

Deposition Author(s):

Glockshuber, R.

Funding Organization	Location	Grant Number
Swiss National Science Foundation	Switzerland	310030_201234

Revision History (Full details and data files)

Version 1.0: 2025-06-04
Type: Initial release

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.