| VKM No. | Ac-581 Type strain |
| Scientific name of the strain | Streptomyces violaceochromogenes (Ryabova and Preobrazhenskaya 1957) Pridham 1970 |
| Other name | Actinomyces violaceus chromogenes Krassilnikov 1949, Actinomyces violaceochromogenes (Krassilnikov 1949) Ryabova and Preobrazhenskaya 1957 |
| Other culture collection No. | ISP 5181; INA 425; RIA 1292; ATCC 19932; ATCC 25512; CBS 654.69; DSM 40181; IFO 13100; JCM 4530; NRRL B-5427 |
| History | INMI, VKM A-581 <-- RIA, RIA 1292 |
| Source of isolation | soil, region with hot and dry climate |
| Country | USSR |
| Medium | 205 |
| Incubation temp. (C) | 28 |
| Storage methods | F-1, C-1 |