3LDU

The crystal structure of a possible methylase from Clostridium difficile 630.

• PDB DOI: https://doi.org/10.2210/pdb3LDU/pdb

• Classification: TRANSFERASE
• Organism(s): Clostridioides difficile 630
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-01-13 Released: 2010-01-26 
• Deposition Author(s): Tan, K., Wu, R., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.210 (Depositor), 0.205 (DCC) 
• R-Value Work: 
  0.172 (Depositor), 0.171 (DCC) 
• R-Value Observed: 
  0.174 (Depositor) 

Literature

The crystal structure of a possible methylase from Clostridium difficile 630.

Tan, K., Wu, R., Buck, K., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.55 kDa 
• Atom Count: 3,412 
• Modelled Residue Count: 377 
• Deposited Residue Count: 385 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative methylase	A	385	Clostridioides difficile 630	Mutation(s): 0  Gene Names: CD1780
UniProt
Find proteins for Q186Y7 (Clostridioides difficile (strain 630)) Explore Q186Y7  Go to UniProtKB:  Q186Y7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GTP	B [auth A]	GUANOSINE-5'-TRIPHOSPHATE C10 H16 N5 O14 P3 XKMLYUALXHKNFT-UUOKFMHZSA-N
GOL	E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
FMT	C [auth A], D [auth A]	FORMIC ACID C H2 O2 BDAGIHXWWSANSR-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.210 (Depositor), 0.205 (DCC) 
• R-Value Work:  0.172 (Depositor), 0.171 (DCC) 
• R-Value Observed: 0.174 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.059	α = 90
b = 74.047	β = 104.15
c = 64.061	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
ARP	model building
WARP	model building
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-01-26 
Deposition Author(s): Tan, K., Wu, R., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-01-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary