9SSC | pdb_00009ssc

Cryo-EM structure of essential Mycoplasma pneumoniae lipoprotein Mpn444 homotrimeric assembly

PDB DOI: https://doi.org/10.2210/pdb9SSC/pdb
EM Map EMD-53144: EMDB EMDataResource

Classification: CHAPERONE
Organism(s): Mycoplasmoides pneumoniae M129
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-09-25 Released: 2026-10-07
Deposition Author(s): Manger, S., Keles, I.
Funding Organization(s): German Research Foundation (DFG)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 5.85 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Validation slider image for 9SSC

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

Literature

Structures of the essential Mycoplasma pneumoniae lipoproteins Mpn444 and Mpn436 reveal a peptidyl-prolyl isomerase domain involved in extracellular protein folding

Manger, S., Keles, I., Frangakis, A.S., Scheffer, M.P., Mantanya, M.S.

To be published.

Macromolecule Content

Total Structure Weight: 428.96 kDa
Atom Count: 30,240
Modeled Residue Count: 3,882
Deposited Residue Count: 3,882
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized lipoprotein MG309 homolog	A, B, C	1,294	Mycoplasmoides pneumoniae M129	Mutation(s): 0 Gene Names: MPN_444, H08_orf1325, MP397
UniProt
Find proteins for P75334 (Mycoplasmoides pneumoniae (strain ATCC 29342 / M129 / Subtype 1)) Explore P75334 Go to UniProtKB: P75334
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P75334
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 5.85 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	v4.5.3

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-07

Deposition Author(s):

Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	GRK 2566/1

Revision History (Full details and data files)

Version 1.0: 2026-10-07
Type: Initial release