3L8A

Crystal structure of MetC from Streptococcus mutans

• PDB DOI: https://doi.org/10.2210/pdb3L8A/pdb

• Classification: LYASE
• Organism(s): Streptococcus mutans UA159
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-12-30 Released: 2011-01-12 
• Deposition Author(s): Wang, X.J., Fu, T.M., Su, X.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.199 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 

Literature

Crystal structure of MetC from Streptococcus mutans

Wang, X.J., Fu, T.M., Mi, W., Su, X.D.

To be published.

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)

Macromolecule Content

• Total Structure Weight: 96.5 kDa 
• Atom Count: 6,807 
• Modelled Residue Count: 767 
• Deposited Residue Count: 842 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative aminotransferase, probable beta-cystathionase	A, B	421	Streptococcus mutans UA159	Mutation(s): 0  Gene Names: SMU_1674 EC: 4.4.1.8 (PDB Primary Data), 4.4.1.13 (UniProt)
UniProt
Find proteins for Q8DST5 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DST5  Go to UniProtKB:  Q8DST5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PLP	C [auth A], D [auth B]	PYRIDOXAL-5'-PHOSPHATE C8 H10 N O6 P NGVDGCNFYWLIFO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.199 
• R-Value Work: 0.176 
• R-Value Observed: 0.177 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.377	α = 90
b = 64.346	β = 100.93
c = 99.315	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
MOLREP	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-12 
Deposition Author(s): Wang, X.J., Fu, T.M., Su, X.D.

Revision History  

• Version 1.0: 2011-01-12
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-04
  Changes: Data collection
• Version 1.3: 2024-03-20
  Changes: Data collection, Database references, Derived calculations