To link to the content of EndoNet use the EndoNet ID that is given on the detail pages in the format ENX0000, where X is a place holder for the type of the component (e. g. R for receptor or C for anatomical structure). As URL for the linking append this ID to the detail page for this type of component. For an hormone that would be:
http://endonet.bioinf.med.uni-goettingen.de/hormone/ENH00000
It is also possible to use the search of EndoNet to link to the right detail page. The URL should look like
http://endonet.bioinf.med.uni-goettingen.de/search/ENC00000
HRTTGPRFL ISDRDPQCN LHCSRTQPK PICASDGRS YESMCEYQR AKCRDPTLG VVHRGRCKD AGQSKCRLE RAQALEQAK KPQEAVFVP ECGEDGSFT QVQCHTYTG YCWCVTPDG KPISGSSVQ NKTPVCSGS VTDKPLSQG NSGRKDDGS KPTPTMETQ PVFDGDEIT APTLWIKHL VIKDSKLNN TNIRNSEKV YSCDQERQS ALEEAQQNP REGIVIPEC APGGLYKPV QCHQSTGYC WCVLVDTGR PLPGTSTRY VMPSCESDA RAKTTEADD PFKDRELPG CPEGKKMEF ITSLLDALT TDMVQAINS AAPTGGGRF SEPDPSHTL EERVVHWYF SQLDSNSSN DINKREMKP FKRYVKKKA KPKKCARRF TDYCDLNKD KVISLPELK GCLGVSKEG RLV