Any constituent part of a secondary organism with which the first organism is interacting
Note that this term is in the subset of terms that should not be used for direct gene product annotation. Instead, select a child term or, if no appropriate child term exists, please request a new term. Direct annotations to this term may be amended during annotation QC.
is an element of the parent element
is a part of the parent element
is related to the parent element
derives from the parent element
// at least 1 tissue/ enzyme/ localization link in this branch