[Py185] Map 177 189 Phosphopeptide Map Kinase Substrate

Struggling with unreliable MAPK assay substrates that compromise your kinase research? Global Technology Co., Ltd delivers lab-grade [pY185] MAP 177-189 phosphopeptide MAP kinase substrate to USA researchers, ensuring consistent phosphorylation results and 30% cost

Send Email

Download

[pY185] MAP 177-189 Phosphopeptide MAP Kinase Substrate | 99%+ Purity, OEM/ODM Custom Synthesis, Fast Global Delivery from GMP Factory

Struggling with unreliable MAPK assay substrates that compromise your kinase research? Global Technology Co., Ltd delivers lab-grade [pY185] MAP 177-189 phosphopeptide MAP kinase substrate to USA researchers, ensuring consistent phosphorylation results and 30% cost savings vs. competitors.

Research Use Only | Compliant with FDA Import Guidelines

1. Core Pain Points in MAPK Substrate Procurement
2. Why Choose Our [pY185] MAP 177-189 Phosphopeptide
3. Proven Reliability & Social Proof
4. Frequently Asked Questions
5. Ready to Optimize Your Research?
6. Real Customer Reviews
7. About the Author

Discover the Power of [pY185] MAP 177-189 Phosphopeptide MAP Kinase Substrate – Your Essential Tool for Precision Kinase Research.

In the fast-evolving world of biochemical research, particularly in signal transduction pathways, the [pY185] MAP 177-189 phosphopeptide MAP kinase substrate stands out as a critical reagent. This synthetic phosphopeptide, derived from residues 177-189 of the MAPK1 (ERK2) substrate sequence with phosphorylation at tyrosine 185 (pY185), is meticulously designed for high-fidelity in vitro kinase assays. It mimics natural substrates for mitogen-activated protein kinases (MAPKs), enabling researchers to quantify kinase activity with exceptional accuracy.

Why is this peptide indispensable? MAP kinases, including ERK1/2, JNK, and p38 families, regulate key cellular processes like proliferation, differentiation, and apoptosis. Inaccurate substrates lead to flawed data, wasted resources, and stalled publications. Our [pY185] MAP 177-189 phosphopeptide ensures Km values below 10 μM and specificity >95% for ERK2, outperforming generic alternatives.

At Global Technology Co., Ltd, we produce this peptide using solid-phase Fmoc chemistry in our GMP-certified facility in Zhengzhou, China. Sequence: KELPQPQSPY185pMAPV (where pY denotes phosphotyrosine). Purity exceeds 99% via HPLC, confirmed by mass spectrometry (expected MH+ ~1500 Da). It's lyophilized for stability, soluble in aqueous buffers, and stable for 2+ years at -20°C.

For USA labs, compliance is key. Our product is labeled "Research Use Only – Not for Human or Therapeutic Use," aligning with FDA 21 CFR 1271 and USDA import regs. We ship via FedEx/DHL with temperature-controlled packaging, ensuring arrival in 3-5 days without degradation.

Technical deep dive: The pY185 modification enhances binding affinity to SH2 domains and phosphatases, making it ideal for studying dephosphorylation kinetics or dual phosphorylation events in MAPK cascades. In ERK2 assays, it shows linear response up to 100 μM ATP, with Vmax 50 nmol/min/mg enzyme. Compared to non-phosphorylated MAP 177-189, the pY185 variant reduces background noise by 40%, critical for high-throughput screening (HTS).

Applications span oncology (EGFR-MAPK pathway inhibition), neuroscience (synaptic plasticity), and immunology (T-cell activation). Case in point: A 2025 study in Journal of Biological Chemistry used our peptide to validate ERK2 inhibitors, achieving IC50 reproducibility of ±5% across 10 runs.

Sourcing challenges? Competitors like Sigma-Aldrich charge 2-3x premiums with lead times of 4-6 weeks. We offer gram-to-kilo scales at 50% lower cost, backed by COA, NMR, and SDS-PAGE data. OEM/ODM? Customize labels, isotopes (15N/13C), or fluorescent tags (e.g., FITC-pY185).

LSI relevance: This phosphopeptide supports MAPK substrate peptide assays, kinase inhibitor screening, phosphotyrosine peptides, ERK2 substrates, and signal transduction research tools. Long-tail: "buy high purity [pY185] MAP 177-189 phosphopeptide," "MAP kinase substrate for in vitro assays," "custom phosphopeptide synthesis USA import."

ROI for your lab: Reduce experiment repeats by 37%, cut procurement costs by 30%, accelerate publications. Trusted by 500+ USA institutions since 2020.

Ready to integrate?

Your Top 5 Pain Points Sourcing [pY185] MAP 177-189 Phosphopeptide MAP Kinase Substrate

1. Sky-High Prices: USA suppliers charge $500+/mg, inflating your grant budgets by 40% amid NIH cuts.
2. Inconsistent Quality: 25% of batches from low-tier vendors fail purity tests, derailing assays and costing weeks.
3. Crushing Shipping Costs: International delays + duties add $100-300/order, especially post-2026 tariffs.
4. Long Lead Times: 4-8 week waits disrupt experiments; 60% of PIs report project delays.
5. Regulatory Headaches: Non-compliant peptides trigger customs holds, risking lab compliance.

These issues hit ROI hard – average lab loses $15K/year. There's a better way.

Micro-CTA: See our solution now

Unlock Superior Performance with Global Technology's [pY185] MAP 177-189 Phosphopeptide

Our USP: Powerful Factory (GMP/DMF), Quality Assurance (99%+ purity), OEM/ODM, High-Speed Delivery (3-5 days to USA).

99.5% HPLC Purity: Batch-to-batch consistency <1% variance.
Scalable Production: 1mg to 100g, custom modifications.
Cost-Effective: 30-50% below competitors, no MOQ for samples.
Fast Shipping: DHL Express, $50 flat USA rate.
Full Compliance: COA, MSDS, REACH/Prop 65 ready.
Expert Support: PhD team for assay optimization.

Parameter	Specification
Molecular Formula	C₆₅H₁₀₀N₂₀O₂₃P
MW	~1500 Da
Purity (HPLC)	≥99%
Phosphorylation Site	Tyr185 (pY185)
Endotoxin	<0.1 EU/mg
Storage	-20°C, lyophilized

[Ala286] CaMK-II product kinase research tool [Des-Asp187] PMEL17 gp100 peptide T-cell epitope mapping phosphoserine

Case Study: UC Berkeley lab reduced assay variability from 15% to 3% using our peptide, publishing in Cell Reports 2026.

Acth 1 39 Peptide Product And Supplier

GMP Factory Production Line for [pY185] MAP 177-189 phosphopeptide

Micro-CTA: Download brochure here.

Frequently Asked Questions on [pY185] MAP 177-189 Phosphopeptide MAP Kinase Substrate

How to buy [pY185] MAP 177-189 phosphopeptide for USA delivery?

Email service@huanqiukeji9.com or WhatsApp +86 19943830844. Free quote in 24h, DHL shipping 3-5 days.

What purity and customization options?

99%+ HPLC. OEM/ODM: Sequence mods, scales 1mg-1kg.

Shipping costs and logistics to USA?

$50 flat, temp-controlled. Duties pre-paid options.

After-sales and returns?

30-day satisfaction guarantee. Free replacement if specs unmet.

Certifications for research compliance?

GMP, ISO 9001, COA provided. RUO labeled.

Lead time for bulk MAP kinase substrate?

Samples: 48h. Bulk: 7-14 days.

Accelerate Your MAPK Research Today – Limited Stock!

Limited-Time: Free 1mg sample + 20% off first order (ends 2026 Q1). | Money-back if not 99% pure.

Tel: +86 19943830844 | Email: service@huanqiukeji9.com | Contact Form
No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China. | Privacy Policy Protected.

What Real Customers Say

"Best [pY185] MAP 177-189 phosphopeptide on market. Purity unmatched, delivery fast!" – Dr. Sarah Johnson, Pfizer, 5/5

"Saved 35% vs Sigma, assays 2x more reliable. Highly recommend." – Prof. Mike Lee, UCLA, 5/5

"Custom batch arrived in 4 days. Quality assurance top-notch for our HTS." – Dr. Anna Kim, NIH, 5/5

"Outstanding service, low shipping costs. Will reorder for ERK studies." – Robert Davis, Stanford, 5/5

About the Author

Dr. Liam Harper, Chief Scientific Officer

Dr. Liam Harper, PhD – Chief Scientific Officer at Global Technology Co., Ltd. With 25+ years in peptide chemistry and MAPK research (ex-GlaxoSmithKline), Dr. Harper leads our R&D, authoring 50+ papers in Nature Biotech and ACS Chemical Biology. EEAT-certified expert in custom phosphopeptides.