7E2Q

Crystal structure of Mycoplasma pneumoniae Enolase

• PDB DOI: https://doi.org/10.2210/pdb7E2Q/pdb

• Classification: LYASE
• Organism(s): Mycoplasmoides pneumoniae
• Expression System: Escherichia coli O104:H4 str. 2009EL-2050
• Mutation(s): No 


• Deposited: 2021-02-07 Released: 2022-02-02 
• Deposition Author(s): Chen, R., Zhang, S., Gan, R., Wang, W., Ran, T., Xiong, Q., Shao, G., Feng, Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.223 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 

Literature

Evidence for the Rapid and Divergent Evolution of Mycoplasmas: Structural and Phylogenetic Analysis of Enolases.

Chen, R., Zhao, L., Gan, R., Feng, Z., Cui, C., Xie, X., Hao, F., Zhang, Z., Wang, L., Ran, T., Wang, W., Zhang, S., Li, Y., Zhang, W., Pang, M., Xiong, Q., Shao, G.

(2022) Front Mol Biosci 8: 811106-811106

• DOI: https://doi.org/10.3389/fmolb.2021.811106

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: native gel electrophoresis

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 201.8 kDa 
• Atom Count: 14,599 
• Modelled Residue Count: 1,801 
• Deposited Residue Count: 1,856 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Enolase	A, B, C, D	464	Mycoplasmoides pneumoniae	Mutation(s): 0  Gene Names: eno, NCTC10119_00092 EC: 4.2.1.11
UniProt
Find proteins for P75189 (Mycoplasma pneumoniae (strain ATCC 29342 / M129 / Subtype 1)) Explore P75189  Go to UniProtKB:  P75189

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A], F [auth B], G [auth C], H [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.223 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.074	α = 90
b = 106.548	β = 103.146
c = 128.589	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-02-02 
Deposition Author(s): Chen, R., Zhang, S., Gan, R., Wang, W., Ran, T., Xiong, Q., Shao, G., Feng, Z.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31800160
National Natural Science Foundation of China (NSFC)	China	31800161

Revision History  

• Version 1.0: 2022-02-02
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description