Contents of the Libraries
| Library | Date | Instrument | Species | Spectra |
| Human | 05-30-2012 | it | H. sapiens | 324,352 |
| Human | 04-20-2012 | qtof | H. sapiens | 16,010 |
| Mouse | 04-21-2012 | it | M. musculus | 143,418 |
| Drosophila | 04-11-2012 | it | D. melanogaster | 78,599 |
| C. elegans | 05-24-2011 | it | C. elegans | 67,470 |
| Yeast | 04-06-2012 | it | S. cerevesiae | 92,609 |
| Yeast | 04-17-2012 | qtof | S. cerevesiae | 14,647 |
| E. coli | 04-20-2012 | it | E. coli | 50,369 |
| Rat | 04-16-2012 | it | R. norvegicus | 55,668 |
| Chicken | 05-24-2011 | it | chicken | 3,125 |
| SigmaUPS1 | 05-24-2011 | it | standard | 3,029 |
| BSA | 04-01-2011 | it | Bovine | 725 |

System Requirements: PC with Microsoft® Windows NT® 4.0, Windows® 2000, Windows® XP, Windows Vista®,or Windows® 7; hard disk with 1GB of available space required.
For more information please contact:
The Technical contacts for the database:
Stephen E. Stein
Mass Spectrometry Data Center
National Institute of Standards and Technology
Gaithersburg, MD 20899-8320
(301) 975-2505 sstein [at] nist.gov (sstein[at]nist[dot]gov)Paul Rudnick
Chemical and Biochemical Reference Data Division
National Institute of Standards and Technology
Gaithersburg, MD 20899
phone: (301) 975-5828 email: paul.rudnick [at] nist.gov (paul[dot]rudnick[at]nist[dot]gov)
Keywords: peptide mass spectral library, NIST peptide library, proteomics, peptide fragmentation, library search, library search.