3LBY

Crystal structure of SMU.1697c, a putative methyltransferase from streptococcus mutans in complex with SAH

• PDB DOI: https://doi.org/10.2210/pdb3LBY/pdb

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


• Deposited: 2010-01-08 Released: 2011-01-12 
• Deposition Author(s): Wang, K.-T., Nan, J., Su, X.-D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.244 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.210 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.212 (Depositor) 

Literature

Crystal structure of SMU.1697c, a putative methyltransferase from streptococcus mutans in complex with SAH

Wang, K.-T., Nan, J., 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: 41.39 kDa 
• Atom Count: 2,773 
• Modelled Residue Count: 324 
• Deposited Residue Count: 362 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative uncharacterized protein SMU.1697c	A, B	181	Streptococcus mutans	Mutation(s): 0  Gene Names: SMU_1697c
UniProt
Find proteins for Q8DSS3 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DSS3  Go to UniProtKB:  Q8DSS3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	C [auth A]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.244 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.210 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.212 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.21	α = 90
b = 92.21	β = 90
c = 107.01	γ = 120

Software Package:

Software Name	Purpose
SOLVE	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-12 
Deposition Author(s): Wang, K.-T., Nan, J., 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: 2018-05-30
  Changes: Data collection
• Version 1.3: 2024-03-20
  Changes: Data collection, Database references, Derived calculations