DNA Molecule DNA Molecule

Short Tandem Repeat DNA
Internet DataBase

NIST Standard Reference Database SRD 130        [Recent Updates on 03/31/2023]

Serving the forensic DNA and human identity testing communities for 20 years...These data are intended to benefit research and application of short tandem repeat DNA markers to human identity testing. The authors are solely responsible for the information herein.

This database has been accessed >500,000 times since 10/02/97.  

Created by John M. Butler

and Dennis J. Reeder (NIST),

with invaluable help from Jan Redman, Christian Ruitberg and Michael Tung

Site creators' curriculum vitaes available using links above.


*Partial support for the design and maintenance of this website was previously provided by The National Institute of Justice through the NIST Forensic Science Program Office.*

General Information  


Forensic STR Information 


Other DNA Marker Information and Non-Human DNA Resources


Lab Resources and Tools


Applications for STR Typing in Human Identity Testing and DNA Diagnostics



Frequently Updated Frequently updated information.

*Last updated 03/31/2023 [see recent updates]