Mouse Vb6 is the same as TRBV19. Human Vb3 is the same as TRBV28. It´s confusing, to say the least.
Here are some links for finding antibodies for different TCR genes!!:
Human TRAV:
http://www.imgt.org/IMGTrepertoire/Regulation/antibodies/human/TRA/TRAV/Hu_TRAVMab.html
Human TRBV:
http://www.imgt.org/IMGTrepertoire/Regulation/antibodies/human/TRB/TRBV/Hu_TRBVMab.html
Mouse TRAV:
Mouse TRBV:
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For a bit more of an overview, as suggested to me by Dr. Daniel Pellicci, have a look at “Correspondence between nomenclatures” also at IMGT / http://www.imgt.org/IMGTrepertoire/LocusGenes/#J