9SRV | pdb_00009srv

Partial cryo-EM structure of essential Mycoplasma pneumoniae lipoprotein Mpn436 (flexible loops excluded)

PDB DOI: https://doi.org/10.2210/pdb9SRV/pdb
EM Map EMD-55148: 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: 3.65 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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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: 139.27 kDa
Atom Count: 7,508
Modeled Residue Count: 940
Deposited Residue Count: 1,244
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized lipoprotein MG307 homolog	A	1,244	Mycoplasmoides pneumoniae M129	Mutation(s): 0 Gene Names: MPN_436, A05_orf1244, MP405
UniProt
Find proteins for P75342 (Mycoplasmoides pneumoniae (strain ATCC 29342 / M129 / Subtype 1)) Explore P75342 Go to UniProtKB: P75342
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P75342
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.65 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	v4.5.3
MODEL REFINEMENT	PHENIX
MODEL REFINEMENT	Coot

Structure Validation

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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