phylogenetic tree server

[Zhong Silin]

Hi,
 
If I have a conserved gene or a protein with a conserved domain, where can I view a phylogenetic tree of all the organisms containing its homologue?
 
I have done this ages ago. Maybe in NCBI or InterPro. I remember it was just a few clicks and I can view and modify the tree on that website. But I just can't find it now.
 
Sorry guys it is not a very challenging question
 
SZ
 

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