5N1N

cAMP-dependent Protein Kinase A from Cricetulus griseus in complex with fragment like molecule 2-chloro-9-propan-2-ylpurine

• PDB DOI: https://doi.org/10.2210/pdb5N1N/pdb

• Classification: TRANSFERASE
• Organism(s): Cricetulus griseus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2017-02-06 Released: 2018-02-28 
• Deposition Author(s): Siefker, C., Heine, A., Klebe, G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.41 Å
• R-Value Free: 0.179 
• R-Value Work: 0.153 
• R-Value Observed: 0.154 

Starting Model: experimental

Literature

A crystallographic fragment study with cAMP-dependent protein kinase A

Siefker, C., Heine, A., Klebe, G.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 43.47 kDa 
• Atom Count: 3,182 
• Modelled Residue Count: 365 
• Deposited Residue Count: 372 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
cAMP-dependent protein kinase catalytic subunit alpha	A	353	Cricetulus griseus	Mutation(s): 0  Gene Names: PRKACA EC: 2.7.11.11
UniProt
Find proteins for P25321 (Cricetulus griseus) Explore P25321  Go to UniProtKB:  P25321

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
cAMP-dependent protein kinase inhibitor alpha-like protein	B	19	Cricetulus griseus	Mutation(s): 0
UniProt
Find proteins for G3HK48 (Cricetulus griseus) Explore G3HK48  Go to UniProtKB:  G3HK48

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
8G8	D [auth A]	2-chloranyl-9-methyl-purine C6 H5 Cl N4 AMVDDOZWEOPXRR-UHFFFAOYSA-N
MPD	C [auth A]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	A	L-PEPTIDE LINKING	C3 H8 N O6 P		SER
TPO	A	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.41 Å
• R-Value Free: 0.179 
• R-Value Work: 0.153 
• R-Value Observed: 0.154 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.252	α = 90
b = 72.515	β = 90
c = 108.531	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-02-28 
Deposition Author(s): Siefker, C., Heine, A., Klebe, G.

Revision History  

• Version 1.0: 2018-02-28
  Type: Initial release
  
• Version 1.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-11-20
  Changes: Structure summary