COMPOUND RECORD / ILINA-RAT-BRAIN-PEPTIDE

Il’ina’s 4,749 Da brain peptideПолипептид головного мозга 4749 Да

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Source linked

01 / OVERVIEW

About Il’ina’s 4,749 Da brain peptide

Names in this research collection

Gₒ-like rat brain peptide · 4749 Da brain bioregulator

A polypeptide purified from rat brain in 2014. Proteomics indicated similarity to an N-terminal Gₒ-protein fragment. Its presence in PPK-V is unverified.

Research background

A polypeptide purified from rat brain in 2014. Proteomics indicated similarity to an N-terminal Gₒ-protein fragment. Its presence in PPK-V is unverified.

What the studies found

Laboratory analysis · 2014

Who or what was studiedBrain tissue from Wistar rats. No human performance cohort.

Reported finding

Purification yielded a polypeptide with a mass of 4,749 ± 2 Da and structural similarity to the N-terminal region of a Gₒ-protein alpha subunit.

Mass after purification: 4,749 ± 2 DaA polypeptide isolated from Wistar rat brain by reversed-phase HPLC.
Proteomic comparison: Similarity to an N-terminal Gₒ-protein alpha-subunit fragmentThe later PPC-M paper cites this earlier rat-tissue work. The candidate is distinct from the material directly characterized in PPC-M.

All reported results & study design →

Methods, dose & source notes

Study of this preparation · Prikladnaia Biokhimiia i Mikrobiologiia. 50(4):442–448. PMID 25707122

The indexed abstract supplies no performance outcomes, full activity assay or evidence that PPK-V contains this peptide.

A 4,749 Da bioregulator purified from rat brain ↗

These highlights cover selected studies. Open a source for its methods, reported doses and full context.

Compound class: Isolated rat-brain polypeptide
Research collection: Actoprotection & occupational pharmacology · editorial grouping
Research institutions: No institutional affiliation recorded
Source review: Review dates and the material assessed are listed with each publication below.

02 / HOW TO READ THE RESEARCH

Understanding the evidence

Human research No human study.
Study methods Reversed-phase HPLC, circular dichroism and proteomics.
Independent replication Independent replication is not established in the linked sources.
Source access Original sources and the exact review scope are linked below.
Safety evidence The linked experiments do not establish a safe human performance regimen.

Open a topic for the evidence assessment.

More findings, background and history

EVIDENCE REVIEW / 6 OCTOBER 2026

Outstanding review questions

Appraise original methods and replication; keep animal and cell findings separate from unestablished human benefit and safety.

No human intervention report has been identified among the linked records; unclassified archival leads may remain. Publication records can share participants. Source counts are not trial counts.

Browse original study records ↗

03 / SOURCE RECORDS

Linked sources

Explore the research map and unresolved leads ↗

2014 · A 4,749 Da bioregulator purified from rat brainMass after purification: 4,749 ± 2 Da

2014Analytical / composition studyEnglish abstract

A 4,749 Da bioregulator purified from rat brain

· Prikladnaia Biokhimiia i Mikrobiologiia. 50(4):442–448. PMID 25707122

Format: Original indexed abstract · Reviewed: Reported methods, results and evidence limitations

A. P. Il’ina, A. A. Moliavka, V. P. Iamskova, A. K. Buriak, I. A. Iamskov · Prikladnaia Biokhimiia i Mikrobiologiia. 50(4):442–448. PMID 25707122

Purification yielded a polypeptide with a mass of 4,749 ± 2 Da and structural similarity to the N-terminal region of a Gₒ-protein alpha subunit.

Findings, study figures and available tables

Reported findings and study design

Purification yielded a polypeptide with a mass of 4,749 ± 2 Da and structural similarity to the N-terminal region of a Gₒ-protein alpha subunit.

Reversed-phase HPLC, circular dichroism and proteomic comparison.

Reported findings and study figures · Original indexed abstract
Measure	Result	Comparison, timing and statistics
Mass after purification	4,749 ± 2 Da	A polypeptide isolated from Wistar rat brain by reversed-phase HPLC.
Proteomic comparison	Similarity to an N-terminal Gₒ-protein alpha-subunit fragment	The later PPC-M paper cites this earlier rat-tissue work. The candidate is distinct from the material directly characterized in PPC-M.

This is a molecular characterization result from a distinct rat-brain preparation.

Source for the extracted data ↗ · Checked 2026-11-09

Population / setting: Brain tissue from Wistar rats. No human performance cohort.
What was checked: Original indexed abstract

Limitations & review scope

The indexed abstract supplies no performance outcomes, full activity assay or evidence that PPK-V contains this peptide.

Source checked 2026-11-09. See the review scope above for the material assessed.

Read the source ↗

Research collection curated by @PepMariner · editorial standards. Send a source correction ↗

Browse bibliography & PDFs ↗