5JX7 | pdb_00005jx7

Cysteine mutant (C224A) structure of As (III) S-adenosyl methyltransferase

• PDB DOI: https://doi.org/10.2210/pdb5JX7/pdb

• Classification: TRANSFERASE
• Organism(s): Cyanidioschyzon sp. 5508
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2016-05-12 Released: 2017-05-17 
• Deposition Author(s): Packianathan, C., Marapakala, K., Ajees, A.A., Kandavelu, P., Sankaran, B., Rosen, B.P.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.246 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.184 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.187 (Depositor) 

Starting Model: experimental

Literature

Cysteine mutant (C224A) structure of As (III) S-adenosyl methyltransferase

Packianathan, C., Marapakala, K., Ajees, A.A., Kandavelu, P., Sankaran, B., Rosen, B.P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.84 kDa 
• Atom Count: 2,678 
• Modelled Residue Count: 323 
• Deposited Residue Count: 377 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Arsenic methyltransferase	A	377	Cyanidioschyzon sp. 5508	Mutation(s): 0  Gene Names: arsM EC: 2.1.1.137
UniProt
Find proteins for C0JV69 (Cyanidioschyzon sp. 5508) Explore C0JV69  Go to UniProtKB:  C0JV69

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.246 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.184 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.187 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.31	α = 90
b = 47.59	β = 113.83
c = 100.714	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
HKL-2000	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-05-17 
Deposition Author(s): Packianathan, C., Marapakala, K., Ajees, A.A., Kandavelu, P., Sankaran, B., Rosen, B.P.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R37 GM55425

Revision History  

• Version 1.0: 2017-05-17
  Type: Initial release
  
• Version 1.1: 2017-09-20
  Changes: Author supporting evidence, Refinement description
• Version 1.2: 2019-12-25
  Changes: Author supporting evidence
• Version 1.3: 2023-09-27
  Changes: Data collection, Database references, Derived calculations, Refinement description