A logarithmic plot of cumulative entries to the PDB is approximately linear and shows a growth rate of about 15% per year. That means it doubles in size about every 5 years at current growth rate.
Roger Rowlett On May 15, 2014 4:23 AM, "Colin Nave" <colin.n...@diamond.ac.uk> wrote: > From James's figure, assuming perfect lossless compression, the > information content of the PDB is 20GB or about 2X10**11 bits > The information content of the universe has been estimated to be 2**305 > bits or 10**92 bits (this might or might not be changing). > The PDB is said to be growing exponentially. If we know the coefficients, > we can work out when the PDB takes over the present universe. This would be > time to retire. > Can anyone do this? > Thanks > Colin > > > From: James Holton [mailto:jmhol...@lbl.gov] > Sent: 14 May 2014 16:19 > To: ccp4bb > Subject: Re: [ccp4bb] PDB passes 100,000 structure milestone > > > I think 249 GB is uncompressed. My local copy of the PDB only takes up 20 > GB, or one Blu-Ray. > > I can remember a time when the whole of the PDB fit onto a single CD-ROM. > The PDB booth at the ACA meeting would hand them out for free! That was > impressive to me because CD-R disks were really expensive (to an > undergraduate like me anyway), and I had to figure out how to do > "multi-session" writes so I could back up my whole hard drive 2 or 3 times > before I filled one up. And, of course, I had to take out my hard drive > and go over to that really wealthy lab that had a "CD writer" to do that. > Each write took about an hour, and didn't always work. Ah, those were the > days. > > But yes, it is impressive how so much effort by so many people over so > many years can be compressed into such a tiny space. "Is it not a strange > fate that we should suffer so much fear and doubt for so small a thing?" > > -James Holton > MAD Scientist > > > > On 5/14/2014 7:15 AM, MARTYN SYMMONS wrote: > I reckon it's two box sets of 25 discs each - am I calculating that > wrong? Maybe room for a 'making of' feature.... > > ;) > > ________________________________ > From: Jon Agirre <jon.agi...@york.ac.uk><mailto:jon.agi...@york.ac.uk> > To: CCP4BB@JISCMAIL.AC.UK<mailto:CCP4BB@JISCMAIL.AC.UK> > Sent: Wednesday, 14 May 2014, 14:28 > Subject: Re: [ccp4bb] PDB passes 100,000 structure milestone > > 249GB? That's a whole lot of DVDs! > > On 14 May 2014 14:08, MARTYN SYMMONS <martainn_oshioma...@btinternet.com > <mailto:martainn_oshioma...@btinternet.com>> wrote: > Although the line boasting that the PDB adds up to 'more than 249 GBbytes > (sic) of storage' was obviously written by someone from a pre i-tunes > generation.... > http://www.wwpdb.org/news/news_2014.html#13-May-2014 > ;) > > -M. > > ________________________________ > From: mesters <mest...@biochem.uni-luebeck.de<mailto: > mest...@biochem.uni-luebeck.de>> > To: CCP4BB@JISCMAIL.AC.UK<mailto:CCP4BB@JISCMAIL.AC.UK> > Sent: Wednesday, 14 May 2014, 13:41 > Subject: Re: [ccp4bb] PDB passes 100,000 structure milestone > > Amazing, great! > > And, which structure ended up as number 100.000? > > - J. - > > > Am 14.05.14 10:42, schrieb battle: > The Worldwide Protein Data Bank (wwPDB) organization is proud to announce > that the Protein Data Bank archive now contains more than 100,000 entries. > > Established in 1971, this central, public archive of > experimentally-determined protein and nucleic acid structures has reached a > critical milestone thanks to the efforts of structural biologists > throughout the world. > > Read the full story at: > http://www.wwpdb.org/news/news_2014.html#13-May-2014 > > -- > Gary Battle > on behalf on the wwPDB > > -- > Dr. Jeroen R. 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