3IHT

Crystal structure of S-adenosyl-L-methionine methyl transferase (YP_165822.1) from SILICIBACTER POMEROYI DSS-3 at 1.80 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3IHT/pdb

• Classification: TRANSFERASE
• Organism(s): Ruegeria pomeroyi DSS-3
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-07-30 Released: 2009-08-25 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.194 
• R-Value Work: 0.173 
• R-Value Observed: 0.174 

Literature

Crystal structure of S-adenosyl-L-methionine methyl transferase (YP_165822.1) from SILICIBACTER POMEROYI DSS-3 at 1.80 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 39.99 kDa 
• Atom Count: 2,980 
• Modelled Residue Count: 324 
• Deposited Residue Count: 348 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S-adenosyl-L-methionine methyl transferase	A, B	174	Ruegeria pomeroyi DSS-3	Mutation(s): 0  Gene Names: SPO0562, YP_165822.1
UniProt
Find proteins for Q5LVY3 (Ruegeria pomeroyi (strain ATCC 700808 / DSM 15171 / DSS-3)) Explore Q5LVY3  Go to UniProtKB:  Q5LVY3

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAM	C [auth A]	S-ADENOSYLMETHIONINE C15 H22 N6 O5 S MEFKEPWMEQBLKI-FCKMPRQPSA-N
GOL	F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
NI	D [auth A], E [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.194 
• R-Value Work: 0.173 
• R-Value Observed: 0.174 
• Space Group: P 3₂ 2 1
• Diffraction Data: https://doi.org/10.18430/M33IHT

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 97.568	α = 90
b = 97.568	β = 90
c = 85.813	γ = 120

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: 2009-08-25 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2009-08-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-11-01
  Changes: 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