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protein kinase X-linked

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Target id: 2175

Nomenclature: protein kinase X-linked

Abbreviated Name: PRKX

Family: Protein kinase A (PKA) family

Contents:

Gene and Protein Information Click here for help
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human - 358 Xp22.33 PRKX protein kinase cAMP-dependent X-linked catalytic subunit
Mouse - 355 X B Prkx protein kinase, X-linked
Rat - 358 X q22 Prkx protein kinase cAMP-dependent X-linked catalytic subunit
Previous and Unofficial Names Click here for help
Pkare | PKX1 | protein kinase
Database Links Click here for help
Alphafold P51817 (Hs), Q922R0 (Mm)
BRENDA 2.7.11.1
ChEMBL Target CHEMBL5818 (Hs)
Ensembl Gene ENSG00000183943 (Hs), ENSMUSG00000035725 (Mm), ENSRNOG00000060168 (Rn)
Entrez Gene 5613 (Hs), 19108 (Mm), 501563 (Rn)
Human Protein Atlas ENSG00000183943 (Hs)
KEGG Enzyme 2.7.11.1
KEGG Gene hsa:5613 (Hs), mmu:19108 (Mm), rno:501563 (Rn)
OMIM 300083 (Hs)
Pharos P51817 (Hs)
RefSeq Nucleotide NM_005044 (Hs), NM_016979 (Mm), NM_001033963 (Rn)
RefSeq Protein NP_005035 (Hs), NP_058675 (Mm), NP_001029135 (Rn)
UniProtKB P51817 (Hs), Q922R0 (Mm)
Wikipedia PRKX (Hs)
Enzyme Reaction Click here for help
EC Number: 2.7.11.1

Download all structure-activity data for this target as a CSV file go icon to follow link

Inhibitors
Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Value Parameter Reference
GSK690693 Small molecule or natural product Click here for species-specific activity table Ligand has a PDB structure Hs Inhibition 8.3 pIC50 4
⤷ pIC50 8.3 (IC50 5x10-9 M) [4]
DiscoveRx KINOMEscan® screen Click here for help
A screen of 72 inhibitors against 456 human kinases. Quantitative data were derived using DiscoveRx KINOMEscan® platform.
http://www.discoverx.com/services/drug-discovery-development-services/kinase-profiling/kinomescan
Reference: 2,5
Key to terms and symbols Click column headers to sort
Target used in screen: PRKX
Ligand Sp. Type Action Value Parameter
GSK690693 Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition 8.1 pKd
staurosporine Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition 7.9 pKd
lestaurtinib Small molecule or natural product Ligand has a PDB structure Immunopharmacology Ligand Hs Inhibitor Inhibition 7.4 pKd
A-674563 Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition 7.0 pKd
midostaurin Small molecule or natural product Approved drug Ligand has a PDB structure Immunopharmacology Ligand Hs Inhibitor Inhibition 6.0 pKd
KW-2449 Small molecule or natural product Hs Inhibitor Inhibition 5.9 pKd
SB203580 Small molecule or natural product Immunopharmacology Ligand Hs Inhibitor Inhibition <5.5 pKd
ruboxistaurin Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition <5.5 pKd
erlotinib Small molecule or natural product Approved drug Ligand has a PDB structure Hs Inhibitor Inhibition <5.5 pKd
linifanib Small molecule or natural product Hs Inhibitor Inhibition <5.5 pKd
Displaying the top 10 most potent ligands  View all ligands in screen »
EMD Millipore KinaseProfilerTM screen/Reaction Biology Kinase HotspotSM screen Click here for help
A screen profiling 158 kinase inhibitors (Calbiochem Protein Kinase Inhibitor Library I and II, catalogue numbers 539744 and 539745) for their inhibitory activity at 1µM and 10µM against 234 human recombinant kinases using the EMD Millipore KinaseProfilerTM service.

A screen profiling the inhibitory activity of 178 commercially available kinase inhibitors at 0.5µM against a panel of 300 recombinant protein kinases using the Reaction Biology Corporation Kinase HotspotSM platform.

http://www.millipore.com/techpublications/tech1/pf3036
http://www.reactionbiology.com/webapps/main/pages/kinase.aspx

Reference: 1,3
Key to terms and symbols Click column headers to sort
Target used in screen: PrKX/PRKX
Ligand Sp. Type Action % Activity remaining at 0.5µM % Activity remaining at 1µM % Activity remaining at 10µM
H-89 Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition -2.5 0.0 0.0
staurosporine Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition 3.5 0.0 0.0
K-252a Small molecule or natural product Hs Inhibitor Inhibition 7.2 2.0 0.0
SB 218078 Small molecule or natural product Hs Inhibitor Inhibition 17.5 84.0 53.0
fasudil Small molecule or natural product Approved drug Ligand has a PDB structure Hs Inhibitor Inhibition 23.5 21.0 2.0
PKR inhibitor Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition 28.2 24.0 6.0
JAK3 inhibitor VI Small molecule or natural product Hs Inhibitor Inhibition 43.5 37.0 4.0
Rho kinase inhibitor IV Small molecule or natural product Ligand has a PDB structure Hs Inhibitor Inhibition 54.2 57.0 13.0
Rho kinase inhibitor III Small molecule or natural product Hs Inhibitor Inhibition 54.3 48.0 16.0
midostaurin Small molecule or natural product Approved drug Ligand has a PDB structure Immunopharmacology Ligand Hs Inhibitor Inhibition 55.4 24.0 12.0
Displaying the top 10 most potent ligands  View all ligands in screen »

References

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1. Anastassiadis T, Deacon SW, Devarajan K, Ma H, Peterson JR. (2011) Comprehensive assay of kinase catalytic activity reveals features of kinase inhibitor selectivity. Nat Biotechnol, 29 (11): 1039-45. [PMID:22037377]

2. Davis MI, Hunt JP, Herrgard S, Ciceri P, Wodicka LM, Pallares G, Hocker M, Treiber DK, Zarrinkar PP. (2011) Comprehensive analysis of kinase inhibitor selectivity. Nat Biotechnol, 29 (11): 1046-51. [PMID:22037378]

3. Gao Y, Davies SP, Augustin M, Woodward A, Patel UA, Kovelman R, Harvey KJ. (2013) A broad activity screen in support of a chemogenomic map for kinase signalling research and drug discovery. Biochem J, 451 (2): 313-28. [PMID:23398362]

4. Heerding DA, Rhodes N, Leber JD, Clark TJ, Keenan RM, Lafrance LV, Li M, Safonov IG, Takata DT, Venslavsky JW et al.. (2008) Identification of 4-(2-(4-amino-1,2,5-oxadiazol-3-yl)-1-ethyl-7-{[(3S)-3-piperidinylmethyl]oxy}-1H-imidazo[4,5-c]pyridin-4-yl)-2-methyl-3-butyn-2-ol (GSK690693), a novel inhibitor of AKT kinase. J Med Chem, 51 (18): 5663-79. [PMID:18800763]

5. Wodicka LM, Ciceri P, Davis MI, Hunt JP, Floyd M, Salerno S, Hua XH, Ford JM, Armstrong RC, Zarrinkar PP et al.. (2010) Activation state-dependent binding of small molecule kinase inhibitors: structural insights from biochemistry. Chem Biol, 17 (11): 1241-9. [PMID:21095574]

How to cite this page

Protein kinase A (PKA) family: protein kinase X-linked. Last modified on 09/05/2018. Accessed on 26/10/2025. IUPHAR/BPS Guide to PHARMACOLOGY, https://www.guidetomalariapharmacology.org/GRAC/ObjectDisplayForward?objectId=2175.