Live data from Hacker News

AlphaFold: a solution to a 50-year-old grand challenge in biology

deepmind.com

191–200 of 683 posts

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#191
post #53

Pretty interesting that they only used about $15k worth of resources (retail price) to achieve this. It's not a technique that would have been out of reach for other organizations based only on not being able to afford the compute.

The tech might not be out of reach but the talent pool is.

Whether it's good PR or not is to be debated, but it seems that the talent at DeepMind simply can accomplish things other's can't.

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#192

Earlier quoted context omitted.

AlQuraishi described the progress made in CASP13 (2018) as “two CASPs in one”. This one is an even bigger breakthrough.

I particularly like the rant on pharmaceuticals companies lack of basic research. My impression has been that medical progression have been slow for quite some time, nice to see that there are some truth to that. In the end software and tech companies might just eat up the pharmaceutical industry as well. - It's all just code at some level. The Deepmind team did this with ; "We trained this system on publicly availab…

Yeah, it was a big slap in the face. But, to be fair, most of the scientific and technological advances (sequencing efforts, structural genomics projects, etc.) that generated the data used by DeepMind came from academia and, to a lesser extent, the pharma industry.

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#193
post #6

Does it mean there is no point in playing fold.it anymore?

fold.it was always more geared towards being edutainment than actually contributing solutions. Of the ~20 publications made related to fold.it over a decade, ~5 of them seem to have contributed to solving structures, while the rest of them are about the game itself.

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#195
post #172

Not knowing a lot about biotechnology, I read the article and it sounds great, but how big is this as a gamechanger? Can someone comment on how big are the implications of this in, let’s say, 5 years from now, on day to day life? Does this mean that biotech is going to explode? Or just that drugs will come to market faster, perhaps cheaper for rare diseases, but from the same industry structure as always?

Getting from DNA structure from tissue samples is relatively straight forward. DNA -> RNA -> unfolded protein is basically one-to-one mapping in most cases. How protein functions depends on how it folds into itself. Once you solve protein folding, you can take DNA sample and see the structure of the molecule without working in lab using crystallography techniques. Solving protein folding is huge, Nobel in chemistry s…

This is still for proteins that fold without chaperons, but I guess it does cover a lot.

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#196
post #144
post #126

Earlier quoted context omitted.

The forward folding problem lets you determine structures from a known genetic sequence. So for example you could very quickly sequence the genome of a virus and figure out how it worked much faster than current methods allow. The reverse folding problem lets you specify a structure and then make a genetic sequence to produce it. For example you could look at this virus to see how it infects its host, then design a c…

The set of all proteins which can potentially be expressed in an organism is known. Now maybe we also get decent (static) structure information for these. But the interaction of a virus with the host cell is much more complex. There is much more than just an amino acid sequence involved. And these parts are all moving, so a static picture as we now can create faster than before does not contain all the information ne…

>The set of all proteins which can potentially be expressed is known.

Sure, "known", but it's on the order of 20^10000. It won't fit in the entire visible volume of the universe.

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#197
post #87

Earlier quoted context omitted.

you give pharma too much credit. I had built a previous system to do something similar to this that produced excellent results and tried to give it away for free to Genentech, which ignored me. They said it didn't work for their purchasing department.

I don't believe you, but I look forward to you showing proof of this with some links (and if you tried giving it for free, I assume you just open sourced the whole deal, so I look forward to a repo link or the like).

I developed the Exacycle system at Google and used it to publish my work (I wrote that blog entry): https://ai.googleblog.com/2013/12/groundbreaking-simulations...

we offered the service for free to Genentech since I used to work there and knew they could probably use it to get some good publications.

We didn't open source the distributed computing framework, but the underlying technology (Folding@Home) is based on gromacs, which is open source. It's the scale at which it ran, and the processing pipeline for filtering the results that had the real value.

Re: AlphaFold: a solution to a 50-year-old grand challenge in biology

#199

Earlier quoted context omitted.

How far does the similarity extend? Specifically, the big question for me is whether AlphaFold will be freely available like ImageNet, or proprietary.

I expect this to be quickly replicated once published. Training data is public and training compute is not enormous and AlphaFold of 2018 did get replicated.

CASP typically works this way: one person "wins" by getting a slightly higher score than everybody else. Two years later, the top teams have all duplicated the previous winner's tech, and two years after that, there's a github you can download and run on your GPU to reproduce everything.
Post reply on HN