NCBIGene Get Summary

Get a detailed gene summary from NCBI Gene by Entrez Gene ID using the E-utilities ESummary API. Returns gene name, symbol, description, function summary, chromosomal location, map position, aliases, genomic coordinates, exon count, and MIM (OMIM) IDs. The most authoritative source for human gene information. Use NCBIGene_search first to find Gene IDs. Example: Gene ID 7157 returns TP53 on chromosome 17p13.1 with a detailed functional summary.