# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.586594 Bacteria.158732 Proteobacteria.22612 Gammaproteobacteria.172575 Mannheimia.1827 Mannheimia_haemolytica.2670 mhx.1014 mhx:MHH_c10760 hemoglobin receptor OC.586594 Bacteria.158732 Proteobacteria.22612 Gammaproteobacteria.172575 Mannheimia.1827 Mannheimia_haemolytica.2670 mhal.527 mhal:N220_02605 hemin receptor OC.586594 Bacteria.158732 Proteobacteria.22612 Gammaproteobacteria.172575 Mannheimia.1827 Mannheimia_haemolytica.2670 mhaq.2113 mhaq:WC39_11250 hemin receptor OC.586594 Bacteria.158732 Proteobacteria.22612 Gammaproteobacteria.172575 Mannheimia.1827 Mannheimia_haemolytica.2670 mhay.2111 mhay:VK67_11255 hemin receptor