Search nucleotids
You can also search the same database programmatically.
examples/biology/search_nucleotids.py
from Bio import Entrez Entrez.email = "gabor@szabgab.com" term = "Cypripedioideae[Orgn] AND matK[Gene]" handle = Entrez.esearch(db="nucleotide", term=term, idtype="acc", retmax=30) record = Entrez.read(handle) print(record["Count"]) # 538 print(record["IdList"]) # ['MK792700.1', 'MK792699.1', 'MK792698.1', ..., 'MK792681.1'] print(len(record["IdList"])) # 30 handle.close() # term = "Orchid" # 530077 # ['NZ_SELD00000000.2', 'NZ_SELD02000072.1',