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¥1200 50ul
¥2200 100ul
¥2800 200ul


  • 名 称:
    磷酸化 eNOS (Ser1177) 抗体
  • 货 号:
  • RRID:
  • 来 源:
  • 应 用:
  • 反 应:
    Human, Mouse, Rat
  • 预 测:
    Pig, Bovine, Horse, Rabbit, Dog
  • 蛋白号:
  • 分子量:
  • 浓 度:
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cNOS; Constitutive NOS; EC NOS; EC-NOS; ecNOS; Endothelial nitric oxidase synthase; Endothelial nitric oxide synthase; Endothelial nitric oxide synthase 3; Endothelial NOS; eNOS; Nitric oxide synthase 3 (endothelial cell); Nitric oxide synthase 3; Nitric oxide synthase 3 endothelial cell; Nitric oxide synthase endothelial; Nitric oxide synthase, endothelial; NOS 3; NOS III; NOS type III; NOS3; NOS3_HUMAN; NOSIII;


WB 1:500-1:2000, IHC 1:50-1:200, IF/ICC 1:200, ELISA(peptide) 1:20000-1:40000
*The optimal dilutions should be determined by the end user.


Human, Mouse, Rat


Pig(100%), Bovine(100%), Horse(82%), Rabbit(100%), Dog(100%)






The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.


Phospho-eNOS (Ser1177) Antibody detects endogenous levels of eNOS only when phosphorylated at Serine 1177.


引用格式: Affinity Biosciences Cat# AF3247, RRID:AB_2834673.






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.



A synthesized peptide derived from human eNOS around the phosphorylation site of Ser1177.


>>Visit The Human Protein Atlas

Gene ID:

Gene Name:


Molecular Weight:

Observed Mol.Wt.: 140kD.
Predicted Mol.Wt.: 133kDa(Calculated)..

Subcellular Location:

Cell membrane. Membrane, caveola. Cytoplasm, cytoskeleton. Golgi apparatus. Specifically associates with actin cytoskeleton in the G2 phase of the cell cycle and which is favored by interaction with NOSIP and results in a reduced enzymatic activity.

Tissue Specificity:

P29474 NOS3_HUMAN:
Platelets, placenta, liver and kidney.


eNOS is an endothelial constitutive nitric oxide synthase. Synthesizes nitric oxide (NO) from arginine and oxygen, which is implicated in vascular smooth muscle relaxation through a cGMP-mediated signal transduction pathway.




Produces nitric oxide (NO) which is implicated in vascular smooth muscle relaxation through a cGMP-mediated signal transduction pathway. NO mediates vascular endothelial growth factor (VEGF)-induced angiogenesis in coronary vessels and promotes blood clotting through the activation of platelets.

Lacks eNOS activity, dominant-negative form that may down-regulate eNOS activity by forming heterodimers with isoform 1.

Post-translational Modifications:

Phosphorylation by AMPK at Ser-1177 in the presence of Ca(2+)-calmodulin (CaM) activates activity. In absence of Ca(2+)-calmodulin, AMPK also phosphorylates Thr-495, resulting in inhibition of activity (By similarity). Phosphorylation of Ser-114 by CDK5 reduces activity.

Subcellular Location:

Cell membrane. Membrane>Caveola. Cytoplasm>Cytoskeleton. Golgi apparatus.
Note: Specifically associates with actin cytoskeleton in the G2 phase of the cell cycle; which is favored by interaction with NOSIP and results in a reduced enzymatic activity.

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

Tissue Specificity:

Platelets, placenta, liver and kidney.

Subunit Structure:

Homodimer. Interacts with NOSIP and NOSTRIN. Interacts with HSP90AB1.


Belongs to the NOS family.


Research Fields:

· Environmental Information Processing > Signal transduction > Calcium signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > cGMP-PKG signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > HIF-1 signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Sphingolipid signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > PI3K-Akt signaling pathway.(View pathway)
· Environmental Information Processing > Signal transduction > Apelin signaling pathway.(View pathway)
· Human Diseases > Endocrine and metabolic diseases > Insulin resistance.
· Metabolism > Amino acid metabolism > Arginine biosynthesis.
· Metabolism > Amino acid metabolism > Arginine and proline metabolism.
· Metabolism > Global and overview maps > Metabolic pathways.
· Organismal Systems > Immune system > Platelet activation.(View pathway)
· Organismal Systems > Endocrine system > Estrogen signaling pathway.(View pathway)
· Organismal Systems > Endocrine system > Oxytocin signaling pathway.
· Organismal Systems > Endocrine system > Relaxin signaling pathway.

Reference Citations:

1). Guo J et al. Endothelial SIRT6 Is Vital to Prevent Hypertension and Associated Cardiorenal Injury Through Targeting Nkx3.2-GATA5 Signaling. Circ Res 2019 May 10;124(10):1448-1461 (PubMed: 30894089) [IF=14.467]

2). Liao L;Gong L;Zhou M;Xue X;Li Y;Peng C; et al. Leonurine Ameliorates Oxidative Stress and Insufficient Angiogenesis by Regulating the PI3K/Akt-eNOS Signaling Pathway in H2O2-Induced HUVECs. Oxid Med Cell Longev 2021 Aug 3;2021:9919466. (PubMed: 34394836) [IF=5.076]

3). Cai BB et al. Acid sphingomyelinase downregulation alleviates vascular endothelial leptin resistance in rats. Acta Pharmacol Sin 2019 Dec 17 (PubMed: 31848475) [IF=5.064]

4). Xue M;Shi Y;Pang A;Men L;Hu Y;Zhou P;Long G;Tian X;Wang R;Zhao Y;Liao X;Shen Y;Cui Y; et al. Corin plays a protective role via upregulating MAPK and downregulating eNOS in diabetic nephropathy endothelial dysfunction. FASEB J 2020 Jan;34(1):95-106. (PubMed: 31914697) [IF=4.966]

5). Gao Y et al. Ginsenoside Re inhibits PDGF-BB-induced VSMC proliferation via the eNOS/NO/cGMP pathway. Biomed Pharmacother 2019 May 10;115:108934 (PubMed: 31082773) [IF=4.545]

6). Lu Y et al. Protective effects of Danzhi jiangtang capsule on vascular endothelial damages induced by high-fat diet and palmitic acid. Biomed Pharmacother 2018 Nov;107:1631-1640 (PubMed: 30257381) [IF=4.545]

7). Qu K;Cha H;Ru Y;Que H;Xing M; et al. Buxuhuayu decoction accelerates angiogenesis by activating the PI3K-Akt-eNOS signalling pathway in a streptozotocin-induced diabetic ulcer rat model . J Ethnopharmacol 2021 Jun 12;273:113824. (PubMed: 33581257) [IF=3.690]

8). Zhang W et al. Role of EGFR/ErbB2 and PI3K/AKT/e-NOS in Lycium barbarum polysaccharides Ameliorating Endothelial Dysfunction Induced by Oxidative Stress. Am J Chin Med 2019 Oct 23:1-17 (PubMed: 31645123) [IF=3.682]

9). Guo Y;Wang X;Jia P;You Y;Cheng Y;Deng H;Luo S;Huang B; et al. Ketogenic diet aggravates hypertension via NF-κB-mediated endothelial dysfunction in spontaneously hypertensive rats. Life Sci 2020 Jul 21;258:118124. (PubMed: 32702443) [IF=3.647]

10). Yi M et al. Exosomes secreted from osteocalcin-overexpressed endothelial progenitor cells promoted endothelial cell angiogenesis. Am J Physiol Cell Physiol 2019 Aug 14 (PubMed: 31411920) [IF=3.485]

11). Ruan G et al. Cardioprotective Effects of QiShenYiQi Dripping Pills on Transverse Aortic Constriction-Induced Heart Failure in Mice. Front Physiol 2018 Apr 3;9:324 (PubMed: 29666587) [IF=3.367]

12). Fu Y;Zhou JD;Sang XY;Zhao QT; et al. Gualou-Xiebai-Banxia decoction protects against type II diabetes with acute myocardial ischemia by attenuating oxidative stress and apoptosis via PI3K/Akt/eNOS signaling. Chin J Nat Med 2021 Mar;19(3):161-169. (PubMed: 33781449)

13). Syed AA;Shafiq M;Reza MI;Bharati P;Husain A;Singh P;Hanif K;Gayen JR; et al. Ethanolic extract of Cissus quadrangularis improves vasoreactivity by modulation of eNOS expression and oxidative stress in spontaneously hypertensive rats. Clin Exp Hypertens 2021 Oct 14;1-9. (PubMed: 34648416)

14). Huo C;Wang L;Wang Q;Yang Y;Chen B; et al. Hydroxysafflor Yellow A inhibits the viability and migration of vascular smooth muscle cells induced by serum from rats with chronic renal failure via inactivation of the PI3K/Akt signaling pathway. Exp Ther Med 2021 Aug;22(2):850. (PubMed: 34149896)

15). Wang L et al. Qishen Yiqi Dropping Pills Ameliorates Doxorubicin-induced Cardiotoxicity in Mice via Enhancement of Cardiac Angiogenesis. Med Sci Monit 2019 Apr 3;25:2435-2444 (PubMed: 30943187)

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Catalog Number :

(Blocking peptide available as AF3247-BP)

Price/Size :

Tips: For phospho antibody, we provide phospho peptide(0.5mg) and non-phospho peptide(0.5mg).

Function :

Blocking peptides are peptides that bind specifically to the target antibody and block antibody binding. These peptide usually contains the epitope recognized by the antibody. Antibodies bound to the blocking peptide no longer bind to the epitope on the target protein. This mechanism is useful when non-specific binding is an issue, for example, in Western blotting (immunoblot) and immunohistochemistry (IHC). By comparing the staining from the blocked antibody versus the antibody alone, one can see which staining is specific; Specific binding will be absent from the western blot or immunostaining performed with the neutralized antibody.

Format and storage :

Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 10 mg/ml.The purity is >90%,tested by HPLC and MS.Storage Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.

Precautions :

This product is for research use only. Not for use in diagnostic or therapeutic procedures.

High similarity Medium similarity Low similarity No similarity
P29474 as Substrate
Site PTM Type Enzyme
K5 Methylation
T33 Phosphorylation
S53 Phosphorylation
Y81 Phosphorylation
C94 S-Nitrosylation
C99 S-Nitrosylation
S102 Phosphorylation
S114 Phosphorylation Q00535 (CDK5)
C184 S-Nitrosylation
C201 S-Nitrosylation
Y210 Phosphorylation
C212 S-Nitrosylation
S260 Phosphorylation
T495 Phosphorylation Q04759 (PRKCQ) , Q13237 (PRKG2) , P05771 (PRKCB) , P17612 (PRKACA) , Q02156 (PRKCE) , O75116 (ROCK2) , P17252 (PRKCA) , P05129 (PRKCG) , P24723 (PRKCH) , Q05655 (PRKCD) , Q13131 (PRKAA1) , P41743 (PRKCI) , Q05513 (PRKCZ)
S508 Phosphorylation
T512 Phosphorylation
S615 Phosphorylation P17612 (PRKACA) , Q9Y243 (AKT3) , P31751 (AKT2) , P31749 (AKT1)
S633 Phosphorylation Q13237 (PRKG2) , P54646 (PRKAA2) , Q13131 (PRKAA1) , P17612 (PRKACA)
S634 Phosphorylation
T636 Phosphorylation
S638 Phosphorylation
Y657 Phosphorylation Q14289 (PTK2B)
C661 S-Nitrosylation
S738 Phosphorylation
K773 Ubiquitination
C802 S-Nitrosylation
K834 Ubiquitination
S836 Phosphorylation
C853 S-Nitrosylation
T854 Phosphorylation
S870 Phosphorylation
K904 Ubiquitination
C976 S-Nitrosylation
C991 S-Nitrosylation
K1035 Ubiquitination
C1048 S-Nitrosylation
C1050 S-Nitrosylation
K1085 Ubiquitination
T1094 Phosphorylation
C1114 S-Nitrosylation
T1175 Phosphorylation
S1177 O-Glycosylation
S1177 Phosphorylation P22612 (PRKACG) , Q9Y478 (PRKAB1) , P31749 (AKT1) , Q13131 (PRKAA1) , P54646 (PRKAA2) , Q13237 (PRKG2) , P17612 (PRKACA)
S1179 Phosphorylation P31749 (AKT1)
IMPORTANT: For western blots, incubate membrane with diluted antibody in 5% w/v milk, 1X TBS, 0.1% Tween®20 at 4°C with gentle shaking, overnight.

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