7BAQ

Crystal structure of the cAMP-dependent protein kinase A cocrystallized with a chiral ligand (S- and E-configuration) and PKI (5-24)

PDB DOI: https://doi.org/10.2210/pdb7BAQ/pdb

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

Deposited: 2020-12-16 Released: 2022-01-12
Deposition Author(s): Oebbeke, M., Heine, A., Klebe, G.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.54 Å
R-Value Free: 0.220
R-Value Work: 0.176
R-Value Observed: 0.178

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Ligand Structure Quality Assessment

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure of the cAMP-dependent protein kinase A cocrystallized with a chiral ligand (S- and E-configuration) and PKI (5-24)

Oebbeke, M., Koester, H., Brass, S., Gerber, H.-D., Heine, A., Klebe, G.

To be published.

Macromolecule Content

Total Structure Weight: 43.4 kDa
Atom Count: 3,075
Modelled Residue Count: 358
Deposited Residue Count: 371
Unique protein chains: 2

Macromolecules

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(by identity cutoff) | 3D Structure

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 Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P25321
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
cAMP-dependent protein kinase inhibitor alpha	B	18	Mus musculus	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P63248 (Mus musculus) Explore P63248 Go to UniProtKB: P63248
IMPC: MGI:104747
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P63248
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
T82 (Subject of Investigation/LOI) Query on T82 Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A]	C [auth A]	(S,E)-3-(2-(3-bromo-4-hydroxybenzylidene)hydrazineyl)-2-(3-chlorophenyl)-3-oxopropan-1-aminium C₁₆ H₁₅ Br Cl N₃ O₂ NCMIGNFSEKGWIC-PCQWDSEFSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

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

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.54 Å
R-Value Free: 0.220
R-Value Work: 0.176
R-Value Observed: 0.178
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.22	α = 90
b = 73.334	β = 90
c = 77.388	γ = 90

Software Package:

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

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2022-01-12

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2022-01-12
Type: Initial release
Version 1.1: 2024-01-31
Changes: Data collection, Refinement description

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.