NCBI culture collection ATCC:26370 An NCBI culture collection is a composite identifier containing “institution code:collection code”. Annotation with a culture_collection qualifier implies that the sequence was obtained from a sample retrieved (by the submitter or a collaborator) from the indicated culture collection, or that the sequence was obtained from a sample that was deposited (by the submitter or a collaborator) in the indicated culture collection. See the description for the proper format and list of allowed institutes, http://www.insdc.org/controlled-vocabulary-culturecollection-qualifier. culture identifier