The environment of the haem group in erythrocruorin (Chironomus thummi).
D004175:Diptera; D006418:Heme / Q000032:analysis*; D006454:Hemoglobins / Q000032:analysis*; D008961:Models, Structural; D014961:X-Ray Diffraction
D006454:Hemoglobins; D006418:Heme