| VKM No. | Ac-141 Type |
| Scientific name of the strain | Streptomyces variegatus Sveshnikova and Timuk 1986 |
| Synonym | Streptomyces flavovariabilis (Korenyako and Nikitina 1965) Pridham 1970; Actinomyces flavovariabilis Korenyako and Nikitina 1965 |
| Other culture collection No. | ATCC 43684; DSM 41479; DSM 41503; JCM 9089; NBRC 100764; NRRL B-16367 |
| History | INMI, VKM Ac-141 < Krassilnikov N.A., INMI 702 |
| Source of isolation | soil, taiga |
| Location | Tayga Station |
| Country | Russia |
| Medium | 212 |
| Incubation temp. (C) | 28 |
| Storage methods | F-1 |
| DNA sequences | EF178691, AJ781334, AB249931 |
| Pathogenicity group (SanPin 3.3686-21, 28.01.2021, Russia) | no |