VLSEGEWQLVLHVWAKVEADVAGHGQDILIRLFKSHPETLEKYDRFKHLK TEAEMKASEDLKKHGVRVLTALGAILKKKGHHEAELKPLAQSHATKHKIP IKYLEFISEAIIHVLHSRHPGDFGADAQGAMNKALELFRKDIAAKYKELG Y
6jp1 Unique Tyr-heme double cross-links in F43Y/T67R myoglobin: an artificial enzyme with a peroxidase activity comparable to that of native peroxidases.