2EX4

Crystal Structure of Human methyltransferase AD-003 in complex with S-adenosyl-L-homocysteine

• PDB DOI: https://doi.org/10.2210/pdb2EX4/pdb

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


• Deposited: 2005-11-07 Released: 2005-11-15 
• Deposition Author(s): Min, J.R., Wu, H., Zeng, H., Loppnau, P., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.258 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 

Literature

The Crystal Structure of Human AD-003 protein in complex with S-adenosyl-L-homocysteine

Min, J., Wu, H., Zeng, H., Loppnau, P., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 55.41 kDa 
• Atom Count: 4,135 
• Modelled Residue Count: 442 
• Deposited Residue Count: 482 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
adrenal gland protein AD-003	A, B	241	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9BV86 (Homo sapiens) Explore Q9BV86  Go to UniProtKB:  Q9BV86
PHAROS:  Q9BV86 GTEx:  ENSG00000148335

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.258 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.922	α = 105.72
b = 47.367	β = 88.18
c = 64.734	γ = 115.97

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-11-15 
Deposition Author(s): Min, J.R., Wu, H., Zeng, H., Loppnau, P., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2005-11-15
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description