>6LDG_1|Chains A, B[auth C]|engineered cyt cb 562 variant, C96I AB|Escherichia coli (562) ADLEDNMETLNDNLKVIEKADNAAQVKDALTKMAAAAADAWSATPPKLEDKSPDSPEMHDFRHGFWILIGQIHDALHLANEGKVKDAQEAAEHLKITCNHCHQKYR