biopython

Topics in the source

• Biopython: Computational Molecular Biology in Python
• Overview
• When to Use This Skill
• Core Capabilities
• Installation and Setup
• Using This Skill
• 1. Sequence Handling (Bio.Seq & Bio.SeqIO)
• 2. Alignment Analysis (Bio.Align & Bio.AlignIO)

Biopython is a comprehensive set of freely available Python tools for biological computation. It provides functionality for sequence manipulation, file I/O, database access, structural bioinformatics, phylogenetics, and many other bioinformatics tasks. The current version is Biopython 1.85 (released January 2025), which supports Python 3 and requires NumPy. Use this skill when: Working with biological sequences (DNA, RNA, or protein) Reading, writing, or converting biological file formats (FASTA, GenBank, FASTQ, PDB, mmCIF, etc.) Accessing NCBI databases (GenBank, PubMed, Protein, Gene, etc.) via Entrez Running BLAST searches or parsing BLAST results Performing sequence alignments (pairwise or multiple sequence alignments) Analyzing protein structures from PDB files Creating, manipulating, or visualizing phylogenetic trees Finding sequence motifs or analyzing motif patterns Calculating sequence statistics (GC content, molecular weight, melting temperature, etc.) Performing structural bioinformatics tasks Working with population genetics data Any other computational molecular biology task Biopython is organized into modular sub-packages, each addressing specific bioinformatics domai

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