# Protein Sequence Viewer

> Instant Protein Information

Canonical page: [https://chrome-stats.com/d/id6758012449](https://chrome-stats.com/d/id6758012449)

## Overview

- **ID:** `id6758012449`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Kazunari Sasaki
- **Category:** Education
- **Version:** 2.1
- **Last updated:** 2026-01-27
- **First published:** 2026-01-25
- **Size:** 25 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/protein-sequence-viewer/id6758012449)
- **Website:** [https://sskkznr1.github.io](https://sskkznr1.github.io/)
- **Privacy policy:** [https://sskkznr1.github.io/Protein\_Sequence\_viewer/privacy-policy\_English.html](https://sskkznr1.github.io/Protein_Sequence_viewer/privacy-policy_English.html)

## Description

Quick access to Swiss-Prot sequences and lengths via gene name or UniProt ID. Download offline databases for Human, Mouse, Rat, and Yeast. Fast, simple, essential.

Protein Sequence Viewer is an iOS application designed for rapid retrieval of protein sequences (single-letter format) and lengths (amino acids) from UniProtKB/Swiss-Prot (reviewed entries). Simply enter a gene name or UniProt ID (Accession or Entry name) to access the data you need.

Key Features:
Gene name and UniProt ID search (Swiss-Prot reviewed entries only)
Canonical sequence display with isoform switching via dropdown menu
Downloadable offline databases for Human, Mouse, Rat, and Yeast—enabling searches without internet connectivity
Streamlined interface focused on sequences and lengths
One-tap sequence copying to clipboard

Data Source:
All sequence data is retrieved from UniProt.

## Rankings

- #1,744,947 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6758012449)