5XXD

Crystal structure of SmyD3 in complex with covalent inhibitor 1

• PDB DOI: https://doi.org/10.2210/pdb5XXD/pdb

• Classification: TRANSFERASE/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-07-03 Released: 2018-08-29 
• Deposition Author(s): Baburajendran, N., Anna E, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.31 Å
• R-Value Free: 0.259 
• R-Value Work: 0.201 
• R-Value Observed: 0.207 

Starting Model: experimental

Literature

Crystal structure of SmyD3 in complex with covalent inhibitor 1

Baburajendran, N., Anna E, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: mass spectrometry

Macromolecule Content

• Total Structure Weight: 49.56 kDa 
• Atom Count: 3,597 
• Modelled Residue Count: 423 
• Deposited Residue Count: 423 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Smyd3 methyltransferase	A	423	Homo sapiens	Mutation(s): 0  EC: 2.1.1.354
UniProt & NIH Common Fund Data Resources
Find proteins for Q9H7B4 (Homo sapiens) Explore Q9H7B4  Go to UniProtKB:  Q9H7B4
PHAROS:  Q9H7B4 GTEx:  ENSG00000185420

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAM	B [auth A]	S-ADENOSYLMETHIONINE C15 H22 N6 O5 S MEFKEPWMEQBLKI-FCKMPRQPSA-N
8NR	F [auth A]	ethyl 4-(5,6,7,8-tetrahydroacridin-3-ylcarbonyl)piperazine-1-carboxylate C21 H25 N3 O3 YMYFCDFYTNCCDJ-UHFFFAOYSA-N
ZN	C [auth A], D [auth A], E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
8NR	BindingDB:  5XXD	IC50: 7.50e+5 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.31 Å
• R-Value Free: 0.259 
• R-Value Work: 0.201 
• R-Value Observed: 0.207 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.458	α = 90
b = 66.472	β = 90
c = 107.062	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-08-29 
Deposition Author(s): Baburajendran, N., Anna E, J.

Revision History  

• Version 1.0: 2018-08-29
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description