Serine/threonine-protein kinase N1
Homo sapiens
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count | Chain A; UniProt 605–942 | Fragment:UNP residues 605-942 Non-standard monomer:Yes (specific site not provided by mmCIF) | No other associated polymer | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 8.5;100mM Tris pH 8.5, 150-225mM Ammonium acetate, 23-28% PEG 3350, Vapor diffusion | Resolution 2.00 Å R-free 0.221 |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 4OTD | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1CXZ CRYSTAL STRUCTURE OF HUMAN RHOA COMPLEXED WITH THE EFFECTOR DOMAIN OF THE PROTEIN KINASE PKN/PRK1 Deposited 1999-08-31 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
13–98(86 aa)
Fragment:RESIDUES 13 - 98
|
Not recorded | MG MAGNESIUM ION × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
MICROBATCH;pH 6.5;277 K;PEG 300, pH 6.5, MICROBATCH, temperature 277K
|
Resolution 2.20 Å R-free 0.268 |
| 1URF HR1b domain from PRK1 Deposited 2003-10-29 | Different construct Different mutation/modification Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
122–199(78 aa)
Fragment:HR1B, RESIDUES 122-199
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 7.4;298 K;Ionic strength (raw mmCIF value) 60;Pressure 1
|
Resolution not provided |
| 2RMK Rac1/PRK1 Complex Deposited 2007-10-25 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
122–199(78 aa)
Fragment:HR1b domain, REM 2, UNP residues 122-199
|
Not recorded | MG MAGNESIUM ION × 1 GCP PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER × 1 |
SOLUTION NMR
NMR measurement conditions
pH 7.4;298 K;Ionic strength (raw mmCIF value) 0.225;Pressure ambient
NMR sample composition
0.6mM [U-13C; U-15N; U-2H] Rac1; 0.6mM PRK1 HR1b; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition
0.6mM [U-100% 13C; U-100% 15N] Rac1; 0.6mM PRK1 HR1b; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition
0.6mM [U-100% 15N] Rac1; 0.6mM PRK1 HR1b; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition
0.6mM [U-100% 13C; U-100% 15N] Rac1; 0.6mM PRK1 Rac1; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition
0.6mM [U-100% 15N] HR1b; 0.6mM PRK1 Rac1; 0.7mM PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER; 90% H2O, 10% D2O | 90% H2O/10% D2O
|
Resolution not provided |
| 4NKG Crystal structure of SspH1 LRR domain in complex PKN1 HR1b domain Deposited 2013-11-12 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
122–199(78 aa)
Fragment:HR1b domain, REM 2 domain, UNP residues 122-199
|
Not recorded | HEZ HEXANE-1,6-DIOL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;293 K;26% PEG3350, 0.18M tri-Ammonium citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 2.90 Å R-free 0.242 |
| 4NKG Crystal structure of SspH1 LRR domain in complex PKN1 HR1b domain Deposited 2013-11-12 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain D
122–199(78 aa)
Fragment:HR1b domain, REM 2 domain, UNP residues 122-199
|
Not recorded | HEZ HEXANE-1,6-DIOL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;293 K;26% PEG3350, 0.18M tri-Ammonium citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 2.90 Å R-free 0.242 |
| 4OTG Crystal Structure of PRK1 Catalytic Domain in Complex with Lestaurtinib Deposited 2014-02-13 | Different ligand/ion Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
605–942(338 aa)
Fragment:UNP residues 605-942
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | 2V9 Lestaurtinib × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 8.5;100mM Tris pH 8.5, 150-225mM Ammonium acetate, 23-28% PEG 3350, Vapor diffusion
|
Resolution 2.60 Å R-free 0.268 |
| 4OTH Crystal Structure of PRK1 Catalytic Domain in Complex with Ro-31-8220 Deposited 2014-02-13 | Different ligand/ion Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
605–942(338 aa)
Fragment:UNP residues 605-942
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | DRN BISINDOLYLMALEIMIDE IX × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 8.5;100mM Tris pH 8.5, 150-225mM Ammonium acetate, 23-28% PEG 3350, Vapor diffusion
|
Resolution 1.80 Å R-free 0.266 |
| 4OTI Crystal Structure of PRK1 Catalytic Domain in Complex with Tofacitinib Deposited 2014-02-13 | Different ligand/ion Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
605–942(338 aa)
Fragment:UNP residues 605-942
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | MI1 3-{(3R,4R)-4-methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl}-3-oxopropanenitrile × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION;pH 8.5;100mM Tris pH 8.5, 150-225mM Ammonium acetate, 23-28% PEG 3350, Vapor diffusion
|
Resolution 1.93 Å R-free 0.226 |
| 9RXE Solution structure of the HR1c domain of human PKN1 Deposited 2025-07-11 | Different construct Different mutation/modification Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
201–297(97 aa)
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 7.3;298 K;Ionic strength (raw mmCIF value) 0.17;Pressure 1
NMR measurement conditions
pH 7.3;298 K;Ionic strength (raw mmCIF value) 0.17;Pressure 1
NMR sample composition
1.6 mM [U-100% 15N] PRK1 HR1c domain, 150 mM sodium chloride, 20 mM sodium phosphate, 90 % H2O, 10 % [U-2H] D2O, 0.05 % w/v sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition
1.2 mM [U-100% 13C; U-100% 15N] PRK1 HR1c domain, 150 mM sodium chloride, 20 mM sodium phosphate, 90 % H2O, 10 % [U-2H] D2O, 0.05 % w/v sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
|
Resolution not provided |
8 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | PKN1_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 4–341; UniProt 605–942 |