Biological Assembly 1  

Global Symmetry: Cyclic - C3  (3D View)
Global Stoichiometry: Hetero 9-mer - A3B3C3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 200.1 kDa 
• Atom Count: 13,326 
• Modelled Residue Count: 1,791 
• Deposited Residue Count: 1,899 
• Unique protein chains: 3

 7DYR

CryoEM Structure of Mannose Transporter ManYZ and Microcin E492 (MceA) complex

• PDB DOI: 10.2210/pdb7DYR/pdb
• EM Map EMD-30923: EMDB EMDataResource

• Classification: PROTEIN TRANSPORT
• Organism(s): Escherichia coli K-12, Klebsiella pneumoniae
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2021-01-22 Released: 2021-09-01 
• Deposition Author(s): Wang, J.W., Zeng, J.W.
• Funding Organization(s): Ministry of Science and Technology (MoST, China), National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.28 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of the mannose phosphotransferase system (man-PTS) complexed with microcin E492, a pore-forming bacteriocin.

Huang, K., Zeng, J., Liu, X., Jiang, T., Wang, J.

(2021) Cell Discov 7: 20-20

• PubMed: 33820910 
• DOI: 10.1038/s41421-021-00253-6
• Primary Citation of Related Structures:  
  7DYR

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PTS system mannose-specific EIIC component	D [auth B], G [auth E], A [auth Y]	266	Escherichia coli K-12	Mutation(s): 0  Gene Names: manY, pel, ptsP, b1818, JW1807 Membrane Entity: Yes
UniProt
Find proteins for P69801 (Escherichia coli (strain K12)) Explore P69801  Go to UniProtKB:  P69801

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PTS system mannose-specific EIID component	E [auth C], H [auth F], B [auth Z]	283	Escherichia coli K-12	Mutation(s): 0  Gene Names: manZ, gptB, ptsM, b1819, JW1808 Membrane Entity: Yes
UniProt
Find proteins for P69805 (Escherichia coli (strain K12)) Explore P69805  Go to UniProtKB:  P69805

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Microcin E492	C [auth A], F [auth D], I [auth G]	84	Klebsiella pneumoniae	Mutation(s): 0  Gene Names: mceA Membrane Entity: Yes
UniProt
Find proteins for Q9Z4N4 (Klebsiella pneumoniae) Explore Q9Z4N4  Go to UniProtKB:  Q9Z4N4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MAN (Subject of Investigation/LOI)	J [auth Z], K [auth C], L [auth F]	alpha-D-mannopyranose C6 H12 O6 WQZGKKKJIJFFOK-PQMKYFCFSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.28 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-09-01 
Deposition Author(s): Wang, J.W., Zeng, J.W.

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Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	2016YFA0501103
National Natural Science Foundation of China (NSFC)	China	31621092

Revision History  

• Version 1.0: 2021-09-01
  Type: Initial release