pSBBs4S
BBa_K823022 Version 1 (Component)
pSB_Bs4S: Empty backbone for integration into <i/>Bacillus subtilis thrC</i> locus

iGEM Parts Registry
igem_collection Version 1 (Collection)
The iGEM Registry is a growing collection of genetic parts that can be mixed and matched to build synthetic biology devices and systems. As part of the synthetic biology community's efforts to make biology easier to engineer, it provides a source of genetic parts to iGEM teams and academic labs.