Descriptions

Human PTK6 (also known as breast tumor kinase (Brk)) is a non-receptor protein-tyrosine kinase. In normal or non-tumorigenic tissues, PTK6 promotes cellular differentiation and apoptosis. In tumors, PTK6 contributes to cancer progression by sensitizing cells to mitogenic signals and enhancing proliferation, anchorage-independent survival and migration/invasion. PTK6 is composed of SH3, SH2, and catalytic domains. The SH3 domain binds the proline-rich linker region between the SH2 domain and the catalytic domain. The disruption of the interaction enhances the oncogenic property of PTK6. In addition, mutation at SH2 domain of PTK6 resulted in higher catalytic activity. The site plays an important role in its negative regulation of the enzyme activity. Tyr(P) peptide derived from the C-terminal region of PTK6 including Tyr(P)-447 successfully bound to the SH2 domain, supporting the autoinhibitory role of PTK6 protein.

Autoinhibitory domains (AIDs)

Target domain

248-504 (Protein kinase domain)

Relief mechanism

Ligand binding

Assay

Target domain

248-504 (Protein kinase domain)

Relief mechanism

Assay

Target domain

248-504 (Protein kinase domain)

Relief mechanism

PTM

Assay

Accessory elements

387-411 (Activation loop from InterPro)

Target domain

248-504 (Protein kinase domain)

Relief mechanism

Assay

387-411 (Activation loop from InterPro)

Target domain

248-504 (Protein kinase domain)

Relief mechanism

Assay

Autoinhibited structure

Activated structure

1 structures for Q9V9J3

Entry ID Method Resolution Chain Position Source
AF-Q9V9J3-F1 Predicted AlphaFoldDB

No variants for Q9V9J3

Variant ID(s) Position Change Description Diseaes Association Provenance
No variants for Q9V9J3

No associated diseases with Q9V9J3

7 regional properties for Q9V9J3

Type Name Position InterPro Accession
domain Protein kinase domain 248 - 504 IPR000719
domain SH2 domain 128 - 222 IPR000980
domain Serine-threonine/tyrosine-protein kinase, catalytic domain 248 - 500 IPR001245
domain SH3 domain 63 - 124 IPR001452
active_site Tyrosine-protein kinase, active site 366 - 378 IPR008266
binding_site Protein kinase, ATP binding site 254 - 276 IPR017441
domain Tyrosine-protein kinase, catalytic domain 248 - 500 IPR020635

Functions

Description
EC Number 2.7.10.2 Protein-tyrosine kinases
Subcellular Localization
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

4 GO annotations of cellular component

Name Definition
cytoplasm The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
cytosol The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
extrinsic component of cytoplasmic side of plasma membrane The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its cytoplasmic surface, but not integrated into the hydrophobic region.
plasma membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

4 GO annotations of molecular function

Name Definition
ATP binding Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
non-membrane spanning protein tyrosine kinase activity Catalysis of the reaction
protein tyrosine kinase activity Catalysis of the reaction
signaling receptor binding Binding to one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.

28 GO annotations of biological process

Name Definition
actin filament bundle assembly The assembly of actin filament bundles; actin filaments are on the same axis but may be oriented with the same or opposite polarities and may be packed with different levels of tightness.
adherens junction organization A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an adherens junction. An adherens junction is a cell-cell junction composed of the epithelial cadherin-catenin complex at which the cytoplasmic face of the plasma membrane is attached to actin filaments.
apoptotic cell clearance The recognition and removal of an apoptotic cell by a neighboring cell or by a phagocyte.
axon guidance The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues.
cell differentiation The cellular developmental process in which a relatively unspecialized cell, e.g. embryonic or regenerative cell, acquires specialized structural and/or functional features that characterize a specific cell. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.
cell migration The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues.
compound eye development The process whose specific outcome is the progression of the compound eye over time, from its formation to the mature structure. The compound eye is an organ of sight that contains multiple repeating units, often arranged hexagonally. Each unit has its own lens and photoreceptor cell(s) and can generate either a single pixelated image or multiple images, per eye.
defense response to bacterium Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
dorsal closure The process during Drosophila embryogenesis whereby the ectodermal cells of the lateral epithelium stretch in a coordinated fashion to internalize the amnioserosa cells and close the embryo dorsally.
dorsal closure, spreading of leading edge cells Dorsally-directed movement of a cell at the leading edge of the epithelium over the amnioserosa.
epithelial cell-cell adhesion The attachment of an epithelial cell to another epithelial cell via adhesion molecules.
hydrogen peroxide mediated signaling pathway The series of molecular signals mediated by the detection of hydrogen peroxide (H2O2).
imaginal disc fusion, thorax closure The joining of the parts of the wing imaginal discs, giving rise to the adult thorax.
imaginal disc-derived wing morphogenesis The process in which the anatomical structures of the imaginal disc-derived wing are generated and organized. The wing is an appendage modified for flying.
innate immune response Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
intestinal stem cell homeostasis Any biological process involved in the maintenance of the steady-state number of intestinal stem cells within a population of cells.
negative regulation of epidermal growth factor receptor signaling pathway Any process that stops, prevents, or reduces the frequency, rate or extent of epidermal growth factor receptor signaling pathway activity.
negative regulation of synaptic assembly at neuromuscular junction Any process that stops, prevents, or reduces the frequency, rate or extent of synaptic assembly at neuromuscular junction.
open tracheal system development The process whose specific outcome is the progression of an open tracheal system over time, from its formation to the mature structure. An open tracheal system is a respiratory system, a branched network of epithelial tubes that supplies oxygen to target tissues via spiracles. An example of this is found in Drosophila melanogaster.
peptidyl-tyrosine phosphorylation The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.
positive regulation of epidermal growth factor receptor signaling pathway Any process that activates or increases the frequency, rate or extent of epidermal growth factor receptor signaling pathway activity.
positive regulation of ERK1 and ERK2 cascade Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the ERK1 and ERK2 cascade.
positive regulation of inflammatory response to wounding Any process that activates or increases the frequency, rate or extent of the inflammatory response to wounding.
positive regulation of sevenless signaling pathway Any process that activates or increases the frequency, rate or extent of the sevenless signaling pathway.
protein phosphorylation The process of introducing a phosphate group on to a protein.
regulation of synaptic plasticity A process that modulates synaptic plasticity, the ability of synapses to change as circumstances require. They may alter function, such as increasing or decreasing their sensitivity, or they may increase or decrease in actual numbers.
salivary gland morphogenesis The process in which the anatomical structures of the salivary gland are generated and organized.
transmembrane receptor protein tyrosine kinase signaling pathway The series of molecular signals initiated by an extracellular ligand binding to a receptor on the surface of the target cell where the receptor possesses tyrosine kinase activity, and ending with the regulation of a downstream cellular process, e.g. transcription.

78 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
Q0VBZ0 CSK Tyrosine-protein kinase CSK Bos taurus (Bovine) SS
Q3ZC95 BTK Tyrosine-protein kinase Bos taurus (Bovine) EV SS
A0JNB0 FYN Tyrosine-protein kinase Fyn Bos taurus (Bovine) SS
P41239 CSK Tyrosine-protein kinase CSK Gallus gallus (Chicken) SS
Q8JH64 BTK Tyrosine-protein kinase BTK Gallus gallus (Chicken) SS
Q75R65 JAK2 Tyrosine-protein kinase JAK2 Gallus gallus (Chicken) SS
P00523 SRC Proto-oncogene tyrosine-protein kinase Src Gallus gallus (Chicken) EV
P09324 YES1 Tyrosine-protein kinase Yes Gallus gallus (Chicken) SS
Q02977 YRK Proto-oncogene tyrosine-protein kinase Yrk Gallus gallus (Chicken) SS
P42683 LCK Proto-oncogene tyrosine-protein kinase LCK Gallus gallus (Chicken) SS
Q05876 FYN Tyrosine-protein kinase Fyn Gallus gallus (Chicken) SS
Q24592 hop Tyrosine-protein kinase hopscotch Drosophila melanogaster (Fruit fly) PR
P00528 Src64B Tyrosine-protein kinase Src64B Drosophila melanogaster (Fruit fly) SS
P00522 Abl Tyrosine-protein kinase Abl Drosophila melanogaster (Fruit fly) SS
P08630 Btk Tyrosine-protein kinase Btk Drosophila melanogaster (Fruit fly) SS
P41240 CSK Tyrosine-protein kinase CSK Homo sapiens (Human) SS
P23458 JAK1 Tyrosine-protein kinase JAK1 Homo sapiens (Human) SS
P51813 BMX Cytoplasmic tyrosine-protein kinase BMX Homo sapiens (Human) SS
P42680 TEC Tyrosine-protein kinase Tec Homo sapiens (Human) SS
O60674 JAK2 Tyrosine-protein kinase JAK2 Homo sapiens (Human) EV
P42679 MATK Megakaryocyte-associated tyrosine-protein kinase Homo sapiens (Human) SS
P52333 JAK3 Tyrosine-protein kinase JAK3 Homo sapiens (Human) SS
Q08881 ITK Tyrosine-protein kinase ITK/TSK Homo sapiens (Human) EV
P29597 TYK2 Non-receptor tyrosine-protein kinase TYK2 Homo sapiens (Human) EV
Q13882 PTK6 Protein-tyrosine kinase 6 Homo sapiens (Human) EV
Q06187 BTK Tyrosine-protein kinase BTK Homo sapiens (Human) EV
P06239 LCK Tyrosine-protein kinase Lck Homo sapiens (Human) EV
P06241 FYN Tyrosine-protein kinase Fyn Homo sapiens (Human) SS
P07948 LYN Tyrosine-protein kinase Lyn Homo sapiens (Human) SS
P08631 HCK Tyrosine-protein kinase HCK Homo sapiens (Human) EV
P12931 SRC Proto-oncogene tyrosine-protein kinase Src Homo sapiens (Human) EV
P07947 YES1 Tyrosine-protein kinase Yes Homo sapiens (Human) SS
P09769 FGR Tyrosine-protein kinase Fgr Homo sapiens (Human) SS
P51451 BLK Tyrosine-protein kinase Blk Homo sapiens (Human) SS
P42685 FRK Tyrosine-protein kinase FRK Homo sapiens (Human) EV
Q9R117 Tyk2 Non-receptor tyrosine-protein kinase TYK2 Mus musculus (Mouse) SS
Q62270 Srms Tyrosine-protein kinase Srms Mus musculus (Mouse) SS
Q64434 Ptk6 Protein-tyrosine kinase 6 Mus musculus (Mouse) SS
P35991 Btk Tyrosine-protein kinase BTK Mus musculus (Mouse) EV
P41241 Csk Tyrosine-protein kinase CSK Mus musculus (Mouse) EV
Q62137 Jak3 Tyrosine-protein kinase JAK3 Mus musculus (Mouse) SS
Q62120 Jak2 Tyrosine-protein kinase JAK2 Mus musculus (Mouse) EV
P24604 Tec Tyrosine-protein kinase Tec Mus musculus (Mouse) SS
P52332 Jak1 Tyrosine-protein kinase JAK1 Mus musculus (Mouse) SS
Q03526 Itk Tyrosine-protein kinase ITK/TSK Mus musculus (Mouse) SS
P41242 Matk Megakaryocyte-associated tyrosine-protein kinase Mus musculus (Mouse) SS
P08103 Hck Tyrosine-protein kinase HCK Mus musculus (Mouse) SS
P25911 Lyn Tyrosine-protein kinase Lyn Mus musculus (Mouse) EV
P39688 Fyn Tyrosine-protein kinase Fyn Mus musculus (Mouse) SS
P05480 Src Proto-oncogene tyrosine-protein kinase Src Mus musculus (Mouse) EV
P06240 Lck Proto-oncogene tyrosine-protein kinase LCK Mus musculus (Mouse) SS
P14234 Fgr Tyrosine-protein kinase Fgr Mus musculus (Mouse) SS
P16277 Blk Tyrosine-protein kinase Blk Mus musculus (Mouse) SS
Q04736 Yes1 Tyrosine-protein kinase Yes Mus musculus (Mouse) SS
Q922K9 Frk Tyrosine-protein kinase FRK Mus musculus (Mouse) SS
A1Y2K1 FYN Tyrosine-protein kinase Fyn Sus scrofa (Pig) SS
O19064 JAK2 Tyrosine-protein kinase JAK2 Sus scrofa (Pig) SS
Q62689 Jak2 Tyrosine-protein kinase JAK2 Rattus norvegicus (Rat) SS
Q63272 Jak3 Tyrosine-protein kinase JAK3 Rattus norvegicus (Rat) SS
P32577 Csk Tyrosine-protein kinase CSK Rattus norvegicus (Rat) SS
P41243 Matk Megakaryocyte-associated tyrosine-protein kinase Rattus norvegicus (Rat) SS
P50545 Hck Tyrosine-protein kinase HCK Rattus norvegicus (Rat) SS
Q07014 Lyn Tyrosine-protein kinase Lyn Rattus norvegicus (Rat) SS
Q9WUD9 Src Proto-oncogene tyrosine-protein kinase Src Rattus norvegicus (Rat) SS
F1LM93 Yes1 Tyrosine-protein kinase Yes Rattus norvegicus (Rat) SS
Q62662 Frk Tyrosine-protein kinase FRK Rattus norvegicus (Rat) SS
Q62844 Fyn Tyrosine-protein kinase Fyn Rattus norvegicus (Rat) SS
Q6P6U0 Fgr Tyrosine-protein kinase Fgr Rattus norvegicus (Rat) SS
Q01621 Lck Proto-oncogene tyrosine-protein kinase LCK Rattus norvegicus (Rat) SS
G5ECJ6 csk-1 Tyrosine-protein kinase csk-1 Caenorhabditis elegans SS
G5EE56 src-1 Tyrosine protein-kinase src-1 Caenorhabditis elegans SS
O45539 src-2 Tyrosine protein-kinase src-2 Caenorhabditis elegans SS
Q2MHE4 HT1 Serine/threonine/tyrosine-protein kinase HT1 Arabidopsis thaliana (Mouse-ear cress) PR
O12990 jak1 Tyrosine-protein kinase JAK1 Danio rerio (Zebrafish) (Brachydanio rerio) PR
Q6EWH2 fyna Tyrosine-protein kinase fyna Danio rerio (Zebrafish) (Brachydanio rerio) SS
A1A5H8 yes1 Tyrosine-protein kinase yes Danio rerio (Zebrafish) (Brachydanio rerio) SS
F1RDG9 fynb Tyrosine-protein kinase fynb Danio rerio (Zebrafish) (Brachydanio rerio) SS
Q1JPZ3 src Proto-oncogene tyrosine-protein kinase Src Danio rerio (Zebrafish) (Brachydanio rerio) SS
10 20 30 40 50 60
MGNCLTTQKG EPDKPADRIK LDDPPTIGVG VGVPQIPMPS HAGQPPEQIR PVPQIPESET
70 80 90 100 110 120
AGANAKIFVA LYDYDARTDE DLSFRKGEHL EILNDTQGDW WLARSKKTRS EGYIPSNYVA
130 140 150 160 170 180
KLKSIEAEPW YFRKIKRIEA EKKLLLPENE HGAFLIRDSE SRHNDYSLSV RDGDTVKHYR
190 200 210 220 230 240
IRQLDEGGFF IARRTTFRTL QELVEHYSKD SDGLCVNLCK PCVQIEKPVT EGLSHRTRDQ
250 260 270 280 290 300
WEIDRTSLKF VRKLGSGQFG DVWEGLWNNT TPVAIKTLKS GTMDPKDFLA EAQIMKKLRH
310 320 330 340 350 360
TKLIQLYAVC TVEEPIYIIT ELMKHGSLLE YLQAIAGKGR SLKMQTLIDM AAQIAAGMAY
370 380 390 400 410 420
LESQNYIHRD LAARNVLVGD GNIVKIADFG LARLIKEDEY EARVGARFPI KWTAPEAANY
430 440 450 460 470 480
SKFSIKSDVW SFGILLTELV TYGRIPYPGM TNAEVLTQVE HGYRMPQPPN CEPRLYEIML
490 500 510
ECWHKDPMRR PTFETLQWKL EDFYTSDQSD YKEAQAY