1 Heme D is another derivative of heme B, but in which the propionic acid side chain at the carbon of position 6, which is also hydroxylated, forms a Î³- spirolactone. 2  Ring III is also hydroxylated at position 5, in a conformation trans to the new lactone group.
Welland Weather Today (1â3 days) A dusting of new snow. Freeze-thaw conditions (max 1Â°C on Thu morning, min -10Â°C on Fri morning). Mainly strong winds. Welland Weather (4â7 days) A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -3Â°C on Sat night, min -11Â°C on Sun night). Mainly strong winds. 10 Day Welland Weather (7â10 days) A moderate fall of snow, heaviest on Tue night.
Northwest wind 3 to 8 mph. Chance of precipitation is 60%. Friday. Showers and thunderstorms likely, mainly after 11am. Partly sunny, with a high near 75. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. Friday Night. A 50 percent chance of showers and thunderstorms, mainly before 11pm.