3L8R

The crystal structure of PtcA from S. mutans

• PDB DOI: https://doi.org/10.2210/pdb3L8R/pdb

• Classification: TRANSFERASE
• Organism(s): Streptococcus mutans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-01-03 Released: 2010-01-12 
• Deposition Author(s): Lei, J., Liu, X., Li, L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.280 
• R-Value Work: 0.208 
• R-Value Observed: 0.212 

Literature

The crystal structure of PtcA from Streptococcus mutans

Lei, J., Liu, X., Li, L., Su, X.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly 3  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 107.86 kDa 
• Atom Count: 6,823 
• Modelled Residue Count: 816 
• Deposited Residue Count: 960 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative PTS system, cellobiose-specific IIA component	A, B, C, D, E, F, G, H	120	Streptococcus mutans	Mutation(s): 0  Gene Names: ptcA, SMU_1598 EC: 2.7.1.69
UniProt
Find proteins for Q8DT03 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DT03  Go to UniProtKB:  Q8DT03

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.280 
• R-Value Work: 0.208 
• R-Value Observed: 0.212 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 127.4	α = 90
b = 127.4	β = 90
c = 190.6	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
XDS	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-01-12 
Deposition Author(s): Lei, J., Liu, X., Li, L.

Revision History  

• Version 1.0: 2010-01-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Refinement description