| Primary Identifier | IPR033424 | Type | Domain |
| Short Name | MASE4 |
| description | MASE4 (Membrane-Associated SEnsor) is an integral membrane sensor domain found in various GGDEF domain proteins, including a functional diguanylate cyclase DgcT (YcdT) and the enzymatically inactive CdgI (YeaI) of Escherichia coli []. In the Shiga toxin-producing enteroaggregative E. coli O104:H4, which caused the outbreak of the haemolytic uraemic syndrome in Germany in 2011, MASE4-containing diguanylate cyclase DgcX () was highly expressed, ensuring strong biofilm formation []. |