immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune response establishment of localization cell adhesion cell recognition interspecies interaction between organisms antigen processing and presentation cell communication cellular response to stimulus response to stress multi-organism localization immune responsimmune response establishment establishment of localization cell adhesioncell adhesion cell recogniticell recognition interspecies iinterspecies interaction between organisms antigen procesantigen processing and presentation cell communicacell communication cellular respocellular response to stimulus response to stresponse to stress multi-organismmulti-organism localization virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor activity protein binding carbohydrate binding small molecule binding signaling receptor activity antigen binding amide binding virion binding ion binding virus receptor virus receptor activity protein bindingprotein binding carbohydrate bicarbohydrate binding small molecule small molecule binding signaling recepsignaling receptor activity antigen bindingantigen binding amide bindingamide binding virion bindingvirion binding ion bindingion binding extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular region cell membrane other organism extracellular regionextracellular region cellcell membranemembrane other organismother organism