Descriptions

Ribosomal protein S6 kinases are proteins playing a crucial role in regulating cellular growth and metabolism through its involvement in the mTOR signaling pathway. S6Ks are activated by a wide variety of growth factor receptors, including receptor tyrosine kinases, G-protein-coupled receptors, and the interleukin-2 receptor. <br> The activity of S6K protein is regulated by autoinhibitory domains. Phosphorylation of specific serine residues within the N-terminal autoinhibitory domain of S6K by cyclin-dependent kinase 5 (Cdk5) is required for dendritic spine morphogenesis in the neuron. In S6K, the N-terminal region also contains an autoinhibitory domain and its deletion activates S6K.

Autoinhibitory domains (AIDs)

Target domain

67-328 (Protein kinase domain)

Relief mechanism

Partner binding

Assay

Accessory elements

211-234 (Activation loop from InterPro)

Target domain

67-328 (Protein kinase domain)

Relief mechanism

Assay

211-234 (Activation loop from InterPro)

Target domain

67-328 (Protein kinase domain)

Relief mechanism

Assay

Autoinhibited structure

Activated structure

1 structures for Q9Z1M4

Entry ID Method Resolution Chain Position Source
AF-Q9Z1M4-F1 Predicted AlphaFoldDB

19 variants for Q9Z1M4

Variant ID(s) Position Change Description Diseaes Association Provenance
rs3389495339 58 G>D No EVA
rs3389514840 60 E>K No EVA
rs3389509699 93 G>E No EVA
rs3389424866 113 T>I No EVA
rs3408885841 119 E>V No EVA
rs3389515858 174 Y>* No EVA
rs3389519574 218 E>V No EVA
rs3389525033 260 Y>N No EVA
rs3389424878 293 T>S No EVA
rs3408837500 299 L>P No EVA
rs3389515874 306 R>P No EVA
rs3389514799 335 D>A No EVA
rs3409079367 357 Q>R No EVA
rs3389507732 379 S>N No EVA
rs3389463977 421 P>L No EVA
rs3389481261 437 P>H No EVA
rs3389515855 465 L>F No EVA
rs3389515912 474 K>M No EVA
rs3389481258 476 S>F No EVA

No associated diseases with Q9Z1M4

5 regional properties for Q9Z1M4

Type Name Position InterPro Accession
domain Protein kinase domain 67 - 328 IPR000719
domain AGC-kinase, C-terminal 329 - 399 IPR000961
active_site Serine/threonine-protein kinase, active site 190 - 202 IPR008271
binding_site Protein kinase, ATP binding site 73 - 99 IPR017441
domain Protein kinase, C-terminal 349 - 389 IPR017892

Functions

Description
EC Number 2.7.11.1 Protein-serine/threonine kinases
Subcellular Localization
  • Cytoplasm
  • Nucleus
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

2 GO annotations of cellular component

Name Definition
cytoplasm The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
nucleoplasm That part of the nuclear content other than the chromosomes or the nucleolus.

6 GO annotations of molecular function

Name Definition
ATP binding Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
peptide binding Binding to a peptide, an organic compound comprising two or more amino acids linked by peptide bonds.
protein kinase activity Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction
protein serine kinase activity Catalysis of the reactions
protein serine/threonine kinase activity Catalysis of the reactions
ribosomal protein S6 kinase activity Catalysis of the reaction

4 GO annotations of biological process

Name Definition
negative regulation of insulin receptor signaling pathway Any process that stops, prevents, or reduces the frequency, rate or extent of insulin receptor signaling.
phosphorylation The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
positive regulation of translational initiation Any process that activates or increases the frequency, rate or extent of translational initiation.
TOR signaling The series of molecular signals mediated by TOR (Target of rapamycin) proteins, members of the phosphoinositide (PI) 3-kinase related kinase (PIKK) family that act as serine/threonine kinases in response to nutrient availability or growth factors.

16 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
Q6TJY3 RPS6KB1 Ribosomal protein S6 kinase beta-1 Bos taurus (Bovine) SS
P23443 RPS6KB1 Ribosomal protein S6 kinase beta-1 Homo sapiens (Human) EV SS
Q9HBY8 SGK2 Serine/threonine-protein kinase Sgk2 Homo sapiens (Human) SS
O00141 SGK1 Serine/threonine-protein kinase Sgk1 Homo sapiens (Human) PR
Q96BR1 SGK3 Serine/threonine-protein kinase Sgk3 Homo sapiens (Human) SS
Q9UBS0 RPS6KB2 Ribosomal protein S6 kinase beta-2 Homo sapiens (Human) PR
Q8QZV4 Stk32c Serine/threonine-protein kinase 32C Mus musculus (Mouse) PR
Q9ERE3 Sgk3 Serine/threonine-protein kinase Sgk3 Mus musculus (Mouse) PR
Q9WUT3 Rps6ka2 Ribosomal protein S6 kinase alpha-2 Mus musculus (Mouse) SS
P18653 Rps6ka1 Ribosomal protein S6 kinase alpha-1 Mus musculus (Mouse) SS
P18654 Rps6ka3 Ribosomal protein S6 kinase alpha-3 Mus musculus (Mouse) SS
Q9Z2B9 Rps6ka4 Ribosomal protein S6 kinase alpha-4 Mus musculus (Mouse) SS
Q8C050 Rps6ka5 Ribosomal protein S6 kinase alpha-5 Mus musculus (Mouse) PR
Q8BSK8 Rps6kb1 Ribosomal protein S6 kinase beta-1 Mus musculus (Mouse) SS
P67999 Rps6kb1 Ribosomal protein S6 kinase beta-1 Rattus norvegicus (Rat) EV SS
Q5BKK4 sgk1 Serine/threonine-protein kinase Sgk1 Xenopus tropicalis (Western clawed frog) (Silurana tropicalis) PR
10 20 30 40 50 60
MAAVFDLDLE TEEGSEGEGE PEFSPADVCP LGELRAAGLE TVGHYEEVEL TESSVNLGPE
70 80 90 100 110 120
RIGPHCFELL SVLGKGGYGK VFQVRKVQGT NLGKIYAMKV LRKAKIVCSA KDTAHTRAER
130 140 150 160 170 180
NILESVKHPF IVELAYAFQT GGKLYLILEC LSGGELFTHL EREGIFLEDT ACFYLAEITL
190 200 210 220 230 240
ALGHLHSHGI IYRDLKPENI MLSSQGHIKL TDFGLCKESI HEGAITHTFC GTIEYMAPEI
250 260 270 280 290 300
LVRTGHNRAV DWWSLGALMY DMLTGSPPFT AENRKKTMDK IIKGKLVLPP YLTPDARDLA
310 320 330 340 350 360
KKFLKRNPTQ RIGGGLGDAA DVQRHPFFRH INWDDLLARR VDPPFRPSLQ SEEDVSQFDA
370 380 390 400 410 420
RFTRQTPVDS PDDTALSESA NQAFLGFTYV APSVLDSIKE GFSFQPKLRS PRRLNSSPRT
430 440 450 460 470 480
PISPLKFSPF EGFRPSPGPP EPMEPSLPPL LPSPPSPPPT STAPLPIRPP SGTKKSKKGR
GRSGR