| Q88E10 | DB00139 | 2yfb | SIN | A | 500 | e2yfbA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | HBM |
| Q88E10 | DB00139 | 2yfb | SIN | A | 500 | e2yfbA2 | Four-helical up-and-down bundle | Histidine kinase associated sensor domains | Histidine kinase associated sensor domains | HBM |
| Q88E10 | DB00139 | 2yfb | SIN | A | 500 | e2yfbB1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | HBM |
| Q88E10 | DB00139 | 2yfb | SIN | B | 500 | e2yfbA1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | HBM |
| Q88E10 | DB00139 | 2yfb | SIN | B | 500 | e2yfbB1 | Four-helical up-and-down bundle | Cytochromes | Cytochromes | HBM |
| Q88E10 | DB00139 | 2yfb | SIN | B | 500 | e2yfbB2 | Four-helical up-and-down bundle | Histidine kinase associated sensor domains | Histidine kinase associated sensor domains | HBM |