New home of TMHMM-2.0 is:

https://services.healthtech.dtu.dk/service.php?TMHMM-2.0

NOTE: TMHMM-2.0 is outdated. A more recent and better transmembrane predictor, DeepTMHMM, has been released and is available at https://services.healthtech.dtu.dk/service.php?DeepTMHMM.