6BDL

Crystal structure of cGMP-dependent protein kinase Ialpha (PKG Ialpha) catalytic domain in apo state

• PDB DOI: https://doi.org/10.2210/pdb6BDL/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Trichoplusia ni
• Mutation(s): No 


• Deposited: 2017-10-23 Released: 2018-10-24 
• Deposition Author(s): Qin, L., Sankaran, B., Kim, C.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.96 Å
• R-Value Free: 0.222 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 

Starting Model: experimental

Literature

Crystal structure of cGMP-dependent protein kinase Ialpha (PKG Ialpha) catalytic domain

Qin, L., Sankaran, B., Casteel, D., Kim, C.

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 Evidence: gel filtration

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: 79.09 kDa 
• Atom Count: 5,680 
• Modelled Residue Count: 670 
• Deposited Residue Count: 694 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
cGMP-dependent protein kinase 1	A, B	347	Homo sapiens	Mutation(s): 0  Gene Names: PRKG1, PRKG1B, PRKGR1A, PRKGR1B EC: 2.7.11.12
UniProt & NIH Common Fund Data Resources
Find proteins for Q13976 (Homo sapiens) Explore Q13976  Go to UniProtKB:  Q13976
PHAROS:  Q13976 GTEx:  ENSG00000185532

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IMD	C [auth A], D [auth B]	IMIDAZOLE C3 H5 N2 RAXXELZNTBOGNW-UHFFFAOYSA-O

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TPO	A, B	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.96 Å
• R-Value Free: 0.222 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 
• Space Group: P 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.114	α = 90
b = 50.879	β = 90
c = 85.531	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-10-24 
Deposition Author(s): Qin, L., Sankaran, B., Kim, C.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	5R01GM090161-08

Revision History  

• Version 1.0: 2018-10-24
  Type: Initial release
  
• Version 1.1: 2020-01-01
  Changes: Author supporting evidence
• Version 1.2: 2023-10-04
  Changes: Data collection, Database references, Refinement description
• Version 1.3: 2024-10-23
  Changes: Structure summary