Cytochrome c554 (cyt c554), a tetra-heme cytochrome from Nitrosomonas europaea, is an essential component in the biological nitrification pathway. In N. europaea, ammonia is converted to hydroxylamine ...

Companies doing business with the United Nations are required to accept and comply with the UN Supplier Code of Conduct. The Code of Conduct informs Vendors of the following: - that they are excpected ...