I had heard from this years ago too, It's not really news. And I think we will find a cure for this, I personally know quite a few people who have HIV and I can only wish a cure is found before they start having serious health problems. We have to take into consideration that it's a relatively new virus (I think it has around 25 years or so) so there is still plenty of time to make more discoveries and hopefully have a cure and a vaccine.
on the other hand things for people with HIV are a LOT better now, compared to before, I know some people that got the disease in the 80's and are still alive and kicking, after 20 years! that wasn't a possibility before...
My brother's father-in-law is an infectologist specialized in AIDS... And from what he's told me... Nowadays, with proper treatment, people do not die from HIV, period.
Also, genes would indeed be responsible for the proteins. Now... I always take these articles with a grain of salt until I've read a research paper on the matter, because dude... No one human is equal to another, in fact... If you knew how antibodies and immune cells are made (I mean, in a living organism), you'd say "WTF"
So, unless I could get more info on what kind of proteins they are, if they're enzymes, if they're inmunoglobulins, etc... I'm taking this with a grain of salt. Cures for cancer/AIDS/diabetes are discovered every other day... I mean it.
Quoting my Molecular biology teacher... "We are, right now... In this campus' lab, capable of curing type-1 diabetes in mice; now, for that to work on humans?..."