Filter Protein

Remove non-protein characters from text to make sequences suitable for other applications

Tool Configuration
Configure the parameters for Filter Protein

Paste the text containing protein sequence. Input limit is 500,000,000 characters.

1

Input Your Sequence

Paste protein sequence text that may contain formatting characters, numbers, or whitespace.

2

Choose Filter Pattern

Select which characters to remove (standard amino acids, extended codes, whitespace, or digits).

3

Configure Options

Set replacement character for removed residues and choose case conversion preferences.

4

Execute and Download

Click "Execute Tool" to filter the sequence. Download the cleaned protein sequence for further analysis.

Use Cases
Common applications for the Filter Protein tool

Sequence Cleanup

Remove digits, spaces, and formatting characters from protein sequences copied from publications or databases.

Format Standardization

Standardize sequences to use only valid amino acid codes for downstream analysis tools.

Case Normalization

Convert sequences to uppercase or lowercase to meet specific tool requirements.

Alignment Preparation

Clean protein sequences before performing multiple sequence alignments or structural analysis.