3AAY | pdb_00003aay

Crystal structure of probable thiosulfate sulfurtransferase CYSA3 (RV3117) from Mycobacterium tuberculosis: orthorhombic form

• PDB DOI: https://doi.org/10.2210/pdb3AAY/pdb

• Classification: TRANSFERASE
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-11-28 Released: 2009-12-08 
• Deposition Author(s): Sankaranarayanan, R., Witholt, S.J., Cherney, M.M., Garen, C.R., Cherney, L.T., James, M.N.G., TB Structural Genomics Consortium (TBSGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.242 (Depositor), 0.244 (DCC) 
• R-Value Work: 
  0.189 (Depositor), 0.191 (DCC) 
• R-Value Observed: 
  0.190 (Depositor) 

Starting Model: experimental

Literature

The crystal structure of probable thiosulfate sulfurtransferase CysA3 (Rv3117) from Mycobacterium tuberculosis

Sankaranarayanan, R., Witholt, S.J., Cherney, M.M., Garen, C.R., Cherney, L.T., James, M.N.G.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 62.7 kDa 
• Atom Count: 4,842 
• Modeled Residue Count: 549 
• Deposited Residue Count: 554 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative thiosulfate sulfurtransferase	A, B	277	Mycobacterium tuberculosis	Mutation(s): 0  Gene Names: CysA3 EC: 2.8.1.1
UniProt
Find proteins for P9WHF9 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WHF9  Go to UniProtKB:  P9WHF9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A], E [auth A], G [auth B], H [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A, B	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.242 (Depositor), 0.244 (DCC) 
• R-Value Work:  0.189 (Depositor), 0.191 (DCC) 
• R-Value Observed: 0.190 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.431	α = 90
b = 84.141	β = 90
c = 102.464	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-12-08 
Deposition Author(s): Sankaranarayanan, R., Witholt, S.J., Cherney, M.M., Garen, C.R., Cherney, L.T., James, M.N.G., TB Structural Genomics Consortium (TBSGC)

Revision History  

• Version 1.0: 2009-12-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2023-11-15
  Changes: Data collection
• Version 1.4: 2024-10-23
  Changes: Structure summary