bioutils provides some common utilities and lookup tables for bioinformatics.

• bioutils.accessions -- parse accessions, infer namespaces
• bioutils.assemblies -- Human assembly information (from NCBI/GRCh)
• bioutils.cytobands -- map cytobands to coordinates (from UCSC cytoband tables)
• bioutils.digests -- implementations of various digests
• bioutils.normalize -- allele normalization (left shuffle, right shuffle, expanded, vcf)

To use an E-Utilities API key run add it to an environment variable called ncbi_api_key and it will be used in the E-Utilities request.