2AX4

Crystal structure of the kinase domain of human 3'-phosphoadenosine 5'-phosphosulphate synthetase 2

• PDB DOI: https://doi.org/10.2210/pdb2AX4/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2005-09-02 Released: 2005-09-20 
• Deposition Author(s): Rabeh, W.M., Nedyalkova, L., Ismail, S., Park, H., Arrowsmith, C., Edwards, A., Sundstrom, M., Weigelt, J., Bochkarev, A., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.278 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.212 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.215 (Depositor) 

Literature

Crystal structure of the kinase domain of PAPSS 2

Rabeh, W.M., Nedyalkova, L., Ismail, S., Park, H., Arrowsmith, C., Edwards, A., Sundstrom, M., Weigelt, J., Bochkarev, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 89.46 kDa 
• Atom Count: 6,528 
• Modelled Residue Count: 786 
• Deposited Residue Count: 792 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthetase 2	A, B, C, D	198	Homo sapiens	Mutation(s): 0  Gene Names: PAPSS2 EC: 2.7.1.25 (PDB Primary Data), 2.7.7.4 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for O95340 (Homo sapiens) Explore O95340  Go to UniProtKB:  O95340
PHAROS:  O95340 GTEx:  ENSG00000198682

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP	E [auth A], F [auth B], G [auth C], H [auth D]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.278 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.212 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.215 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.914	α = 90
b = 131.892	β = 104.58
c = 70.562	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-09-20 
Deposition Author(s): Rabeh, W.M., Nedyalkova, L., Ismail, S., Park, H., Arrowsmith, C., Edwards, A., Sundstrom, M., Weigelt, J., Bochkarev, A., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2005-09-20
  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: 2024-02-14
  Changes: Data collection, Database references, Derived calculations, Refinement description