# Protein Black

> Crystal structure of Archaeoglobus fulgidus PCNA monomer complexed with Fen1 PIP peptide (PDB code 1rxj, rendered using MacPyMOL 0.99)

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

## Overview

- **ID:** `protein-black`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** macneill
- **Category:** nature
- **Daily users:** 1
- **Version:** 2.0
- **Last updated:** 2019-05-13
- **First published:** 2009-04-27
- **Size:** 63 KB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/protein-black/)

## Description

Protein Black is a Firefox add-on that allows users to visualize the crystal structure of Archaeoglobus fulgidus PCNA monomer complexed with Fen1 PIP peptide (PDB code 1rxj). This structure is rendered using MacPyMOL 0.99, providing a detailed representation of the protein's crystal structure in a web browser environment.

## Rankings

- #100,276 — Overall

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This permission has no access or impact on the user's system or data, thus carrying no risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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