Sequence 63 from Patent WO03087386. Sequence 57 from Patent WO2004024932. Sequence 65 from Patent WO2004024933. Sequence 65 from Patent WO2004024931. Sequence 57 from patent US 7238502. Sequence 65 from patent US 7282357. Sequence 65 from patent US 7381549. MetH. MetA. Process for the production of sulfur-containing fine chemicals. MetF. Methods for producing sulphurous fine chemicals. Method for the production by fermentation of sulphur-containing fine chemicals(METF). Method for zymotic production of fine chemicals containing sulphur (META). Method for zymotic production of fine chemicals containing sulphur (METY). Sequence 63 from patent US 7485444.