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Stats from the Hub of the Genome Universe


In these post-genomic days, the National Center for Biotechnology Information, home of GenBank and PubMed, receives about 170,000 unique visitors per month. Barbara Rapp of NCBI’s information resources branch in Bethesda shared the center’s current stats with Genome Technology:

• Number of base pairs contained in GenBank as of October 2000: 10,335,692,655

• Number of sequences: 9,102,634

• Approximate average number of base pairs deposited to GenBank per day in 2000: 28 million

•Total number of base pairs contained in GenBank in 1988: 24 million

• Approximate average number of sequences deposited to GenBank per day in 2000: 25,000

• Total number of sequences contained in GenBank in 1988: 20,579

• Amount of disk space required to hold all sequence files in GenBank: 36,464 MB

• Users that download GenBank by FTP daily: 450

•Unique users of NCBI molecular biology services in October 2000: about 35,000

• Number in October 1999: about 25,000

• BLAST sequence similarity searches per day in October 2000: 90,000 to 100,000

• Number per day in October 1999: 50,000

• Text searches per day of the Entrez DNA and protein sequence databases in October 2000: 180,000

• Same searches per day in October 1999: 150,000

• Speed of NCBI’s internet connection: 45 Mbps via T3

• Computers supporting PubMed, GenBank, and other molecular biology databases:
Two 2-cpu SGI Origin 200 computers;
Three 4-cpu Sun Enterprise 420R servers;
Three 8-cpu Sun Enterprise 4500 servers;
Four 4-cpu Sun Enterprise 450 servers.

•Supporting public BLAST sequence comparisons:
Eleven 4-cpu Intel-based Dell servers
Five 8-cpu Intel-based Dell servers
Three 20-cpu SGI Challenge XL
One 12-cpu Sun Enterprise 4000

•Additional support for GenBank and other molecular biology database production:
Combination of eight Sun Enterprise 420R, Enterprise 4000, and Enterprise 5500 systems.

•NCBI’s fiscal year 2000 budget: $34 million


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