More than 800 structures were deposited to the PDB in the first
quarter of the year 2002. Approximately 73% of all of the structures
received during this period were deposited with a "hold until
publication" release status; 11% were deposited with a specific hold
date; and 15% were deposited with a "release immediately" status. 81%
were the result of X-ray crystallographic experiments; 15% from NMR.