Other numbers: ATCC 19258, CNCTC 6717, DSM 20617, NCDO 573, B of R. History: < R. Šafránková < ATCC < NCDO < National Collection of Dairy Organisms < NIRD < PMF Shattock. Isolated from: Pasteurized milk. Additional information: Production of aminopeptidase. Do not grow at 50 °C. Cultivation conditions: Medium 31 or 91 with 5% of sheep blood, 37°C, CO2, 2 days.