5M0U

Apostructure structure of cAMP-dependent Protein Kinase (PKA) from CHO cells with a peptidic inhibitor fragment

• PDB DOI: https://doi.org/10.2210/pdb5M0U/pdb

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


• Deposited: 2016-10-05 Released: 2018-06-06 
• Deposition Author(s): Wienen-Schmidt, B., Heine, A., Klebe, G.
• Funding Organization(s): European Research Council

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.67 Å
• R-Value Free: 0.189 
• R-Value Work: 0.152 
• R-Value Observed: 0.154 

Starting Model: experimental

Literature

Cocrystal structure of cAMP-dependent Protein Kinase (PKA)

Wienen-Schmidt, B., Jonker, H., Gerber, H.-D., Saxena, K., Kudlinzki, D., Sreeramulu, S., Heine, A., Schwalbe, H., 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: 43.75 kDa 
• Atom Count: 3,323 
• Modelled Residue Count: 369 
• Deposited Residue Count: 373 
• 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	B	20	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P61925 (Homo sapiens) Explore P61925  Go to UniProtKB:  P61925
PHAROS:  P61925 GTEx:  ENSG00000171033

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MRD	K [auth A]	(4R)-2-METHYLPENTANE-2,4-DIOL C6 H14 O2 SVTBMSDMJJWYQN-RXMQYKEDSA-N
MOH	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], L [auth B]	METHANOL C H4 O OKKJLVBELUTLKV-UHFFFAOYSA-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: 1.67 Å
• R-Value Free: 0.189 
• R-Value Work: 0.152 
• R-Value Observed: 0.154 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.215	α = 90
b = 72.025	β = 90
c = 109.826	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-06-06 
Deposition Author(s): Wienen-Schmidt, B., Heine, A., Klebe, G.

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Funding Organization	Location	Grant Number
European Research Council	Belgium	268145 - Project Acronym: DrugProfilBind

Revision History  

• Version 1.0: 2018-06-06
  Type: Initial release
  
• Version 1.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-10-09
  Changes: Structure summary