>4BFK_1|Chains A, B, C, D|SUPEROXIDE REDUCTASE|ARCHAEOGLOBUS FULGIDUS (2234) MELFQTADWKKQKHVPVIEVLRAEGGVVEVKVSVGKEIPHPNTTEHHIAWIELVFQPEGSKFPYVVGRAEFAAHGASVDGPNTSGVYTDPVAVFAFKAEKSGKLTAFSYCNIHGLWMGEATLSLE