Defined in file blastxml2.asn C++ class: CHitDescr HitDescr ::= SEQUENCE { id VisibleString , -- SeqId of subject accession VisibleString OPTIONAL, -- accession title VisibleString OPTIONAL, -- title (definition line) of subject taxid INTEGER OPTIONAL, -- NCBI taxid (9606 for human) sciname VisibleString OPTIONAL -- binomial scientific name ("Homo sapiens" for human). }