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
ALLPAREAT QFLRPRQRR AFQVFEEAK QGHLERECV EELCSREEA REVFENDPE TDYFYPRYL DCINKYGSP YTKNSGFAT CVQNLPDQC TPNPCDRKG TQACQDLMG NFFCLCKAG WGGRLCDKD VNECSQENG GCLQICHNK PGSFHCSCH SGFELSSDG RTCQDIDEC ADSEACGEA RCKNLPGSY SCLCDEGFA YSSQEKACR DVDECLQGR CEQVCVNSP GSYTCHCDG RGGLKLSQD MDTCELEAG WPCPRHRRD GSPAARPGR GAQGSRSEG HIPDRRGPR PWQDILPCV PFSVAKSVK SLYLGRMFS GTPVIRLRF KRLQPTRLV AEFDFRTFD PEGILLFAG GHQDSTWIV LALRAGRLE LQLRYNGVG RVTSSGPVI NHGMWQTIS VEELARNLV IKVNRDAVM KIAVAGDLF QPERGLYHL NLTVGGIPF HEKDLVQPI NPRLDGCMR SWNWLNGED TTIQETVKV NTRMQCFSV TERGSFYPG SGFAFYSLD YMRTPLDVG TESTWEVEV VAHIRPAAD TGVLFALWA PDLRAVPLS VALVDYHST KKLKKQLVV LAVEHTALA LMEIKVCDG QEHVVTVSL RDGEATLEV DGTRGQSEV SAAQLQERL AVLERHLRS PVLTFAGGL PDVPVTSAP VTAFYRGCM TLEVNRRLL DLDEAAYKH SDITAHSCP PVEPAAA