| CDS description | CDS accession | Island | Host Description |
|---|
| serine protease inhibitor | NC_013172:466300:478673 | NC_013172:466300 | Brachybacterium faecium DSM 4810, complete genome |
| probable serine protease inhibitor | NC_005125:2107088:2116162 | NC_005125:2107088 | Gloeobacter violaceus PCC 7421, complete genome |
| serine protease inhibitor ecotin | NC_020064:1611820:1618877 | NC_020064:1611820 | Serratia marcescens FGI94, complete genome |