Product: Phospho-ATP1A1 (Ser16) Antibody
Catalog: AF3083
Description: Rabbit polyclonal antibody to Phospho-ATP1A1 (Ser16)
Application: WB IHC IF/ICC
Reactivity: Human, Mouse, Rat
Prediction: Pig, Bovine, Horse, Sheep, Rabbit, Dog
Mol.Wt.: 112kDa; 113kD(Calculated).
Uniprot: P05023
RRID: AB_2834520

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 100ul $280 In stock
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Product Info

WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Pig(100%), Bovine(100%), Horse(83%), Sheep(100%), Rabbit(100%), Dog(100%)
Phospho-ATP1A1 (Ser16) Antibody detects endogenous levels of ATP1A1 only when phosphorylated at Serine 16.
Cite Format: Affinity Biosciences Cat# AF3083, RRID:AB_2834520.
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.


A1A1; AT1A1; AT1A1_HUMAN; ATP1A1; Atpa-1; ATPase Na+/K+ transporting alpha 1 polypeptide; ATPase Na+/K+ transporting subunit alpha 1; BC010319; EC; MGC3285; MGC38419; MGC51750; Na K ATPase alpha A catalytic polypeptide; Na K ATPase catalytic subunit alpha A protein; Na(+)/K(+) ATPase 1; Na(+)/K(+) ATPase alpha-1 subunit; Na+, K+ ATPase alpha subunit; Na+/K+ ATPase alpha 1 subunit; Na+/K+ ATPase 1; Na,K ATPase alpha 1 subunit; Nkaa1b; Sodium potassium ATPase alpha 1 polypeptide; Sodium pump 1; Sodium pump subunit alpha-1; sodium-potassium ATPase catalytic subunit alpha-1; Sodium/potassium-transporting ATPase subunit alpha-1;


The protein encoded by this gene belongs to the family of P-type cation transport ATPases, and to the subfamily of Na+/K+ -ATPases. Na+/K+ -ATPase is an integral membrane protein responsible for establishing and maintaining the electrochemical gradients of Na and K ions across the plasma membrane.



Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - P05023 As Substrate

Site PTM Type Enzyme
K9 Ubiquitination
Y10 Phosphorylation
S16 Phosphorylation Q05513 (PRKCZ) , P28482 (MAPK1)
K21 Ubiquitination
K36 Ubiquitination
K37 Ubiquitination
K45 Ubiquitination
S47 Phosphorylation
K54 Ubiquitination
Y55 Phosphorylation
S60 Phosphorylation
R61 Methylation
T81 Phosphorylation
T85 Phosphorylation
T86 Phosphorylation
Y149 Phosphorylation
K156 Ubiquitination
K162 Ubiquitination
K177 Ubiquitination
K194 Ubiquitination
R198 Methylation
R204 Methylation
S207 Phosphorylation
K212 Ubiquitination
S216 Phosphorylation
S217 Phosphorylation
S222 Phosphorylation
T226 Phosphorylation
S228 Phosphorylation
S246 Phosphorylation
C249 S-Nitrosylation
Y260 Phosphorylation
T261 Phosphorylation
R264 Methylation
T265 Phosphorylation
K359 Ubiquitination
S369 Phosphorylation
K377 Ubiquitination
T378 Phosphorylation
S407 Phosphorylation
K444 Ubiquitination
S452 Phosphorylation
K458 Ubiquitination
C459 S-Nitrosylation
C463 S-Nitrosylation
S466 Phosphorylation
K468 Ubiquitination
K476 Ubiquitination
S484 Phosphorylation
K487 Acetylation
K487 Ubiquitination
Y488 Phosphorylation
K494 Methylation
K494 Ubiquitination
T498 Phosphorylation
S499 Phosphorylation
K508 Ubiquitination
R517 Methylation
S520 Phosphorylation
K526 Sumoylation
K526 Ubiquitination
K535 Ubiquitination
Y542 Phosphorylation
K605 Ubiquitination
K612 Ubiquitination
T617 Phosphorylation
T623 Phosphorylation
K625 Ubiquitination
K629 Ubiquitination
T640 Phosphorylation
S653 Phosphorylation
K661 Ubiquitination
K671 Ubiquitination
K683 Ubiquitination
Y684 Phosphorylation
T686 Phosphorylation
K698 Ubiquitination
C705 S-Nitrosylation
S722 Phosphorylation
K726 Ubiquitination
K727 Ubiquitination
K773 Ubiquitination
K833 Ubiquitination
K840 Ubiquitination
K843 Ubiquitination
Y902 Phosphorylation
S943 Phosphorylation P17612 (PRKACA)
K950 Ubiquitination
K952 Ubiquitination
K1019 Ubiquitination

Research Backgrounds


This is the catalytic component of the active enzyme, which catalyzes the hydrolysis of ATP coupled with the exchange of sodium and potassium ions across the plasma membrane. This action creates the electrochemical gradient of sodium and potassium ions, providing the energy for active transport of various nutrients.


Phosphorylation on Tyr-10 modulates pumping activity. Phosphorylation of Ser-943 by PKA modulates the response of ATP1A1 to PKC. Dephosphorylation by protein phosphatase 2A (PP2A) following increases in intracellular sodium, leading to increase catalytic activity (By similarity).

Subcellular Location:

Cell membrane>Sarcolemma>Multi-pass membrane protein. Melanosome.
Note: Identified by mass spectrometry in melanosome fractions from stage I to stage IV.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Subunit Structure:

The sodium/potassium-transporting ATPase is composed of a catalytic alpha subunit, an auxiliary non-catalytic beta subunit and an additional regulatory subunit. Interacts with regulatory subunit FXYD1 (By similarity). Interacts with regulatory subunit FXYD3. Interacts with SIK1 (By similarity). Binds the HLA class II histocompatibility antigen DR1. Interacts with SLC35G1 and STIM1.


Belongs to the cation transport ATPase (P-type) (TC 3.A.3) family. Type IIC subfamily.

Research Fields

· Environmental Information Processing > Signal transduction > cGMP-PKG signaling pathway.   (View pathway)

· Environmental Information Processing > Signal transduction > cAMP signaling pathway.   (View pathway)

· Organismal Systems > Circulatory system > Cardiac muscle contraction.   (View pathway)

· Organismal Systems > Circulatory system > Adrenergic signaling in cardiomyocytes.   (View pathway)

· Organismal Systems > Endocrine system > Insulin secretion.   (View pathway)

· Organismal Systems > Endocrine system > Thyroid hormone synthesis.

· Organismal Systems > Endocrine system > Thyroid hormone signaling pathway.   (View pathway)

· Organismal Systems > Endocrine system > Aldosterone synthesis and secretion.

· Organismal Systems > Excretory system > Aldosterone-regulated sodium reabsorption.

· Organismal Systems > Excretory system > Endocrine and other factor-regulated calcium reabsorption.

· Organismal Systems > Excretory system > Proximal tubule bicarbonate reclamation.

· Organismal Systems > Digestive system > Salivary secretion.

· Organismal Systems > Digestive system > Gastric acid secretion.

· Organismal Systems > Digestive system > Pancreatic secretion.

· Organismal Systems > Digestive system > Carbohydrate digestion and absorption.

· Organismal Systems > Digestive system > Protein digestion and absorption.

· Organismal Systems > Digestive system > Mineral absorption.

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