3D2L

Crystal structure of SAM-dependent methyltransferase (ZP_00538691.1) from EXIGUOBACTERIUM SP. 255-15 at 1.90 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3D2L/pdb

• Classification: TRANSFERASE
• Organism(s): Exiguobacterium sibiricum 255-15
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-05-08 Released: 2008-05-20 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.229 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 

Literature

Crystal structure of SAM-dependent methyltransferase (ZP_00538691.1) from EXIGUOBACTERIUM SP. 255-15 at 1.90 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 112.68 kDa 
• Atom Count: 8,242 
• Modelled Residue Count: 956 
• Deposited Residue Count: 972 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SAM-dependent methyltransferase	A, B, C, D	243	Exiguobacterium sibiricum 255-15	Mutation(s): 0  Gene Names: ZP_00538691.1, ExigDRAFT_1659
UniProt
Find proteins for B1YKR8 (Exiguobacterium sibiricum (strain DSM 17290 / CCUG 55495 / CIP 109462 / JCM 13490 / 255-15)) Explore B1YKR8  Go to UniProtKB:  B1YKR8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	E [auth A], F [auth B], G [auth B], H [auth C], I [auth D], J [auth D]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.229 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 
• Space Group: P 1
• Diffraction Data: https://doi.org/10.18430/M33D2L

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.83	α = 116.57
b = 70.92	β = 104.63
c = 77.19	γ = 102.32

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-05-20 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2008-05-20
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations