| TCID | Name | Organismal Type | Example |
|---|---|---|---|
| 1.A.23.1.1 | Minor MscS channel protein, KefA | Bacteria, archaea, yeast, plants | KefA (AefA) of E. coli |
| 1.A.23.1.2 | The putative osmoadaptation receptor, BspA | Bacteria | BspA of Erwinia (Pectobacterium) chrysanthemi |
| 1.A.23.2.1 | Major MscS channel protein, YggB | Bacteria, archaea, yeast, plants | YggB of E. coli (P0C0S1) |
| 1.A.23.3.1 | The YkuT osmolyte efflux channel | Bacteria, archaea, yeast, plants | YkuT of Bacillus subtilis |
| 1.A.23.4.1 | The MscMJ mechanosensitive channel | Bacteria, archaea, yeast, plants | MscMJ of Methanococcus jannaschii |
| 1.A.23.4.2 | The MscMJLR mechanosensitive channel | Bacteria, archaea, yeast, plants | MscMJLR of Methanococcus jannaschii |
| 1.A.23.5.1 | The cyclic nucleotide-binding MscS homologue, MT2508 (the C-terminal domain is the CAP_ED domain CD00038). | Bacteria | MscS homologue, MT2508 of Mycobacterium tuberculosis (P71915) |
| 1.A.23.6.1 | Chloroplast mechanosensitive channel, Msc1 (anions are preferred over cations) (Nakayama et al., 2007). | Algae | Msc1 of Chlamydomonas reinhardtii (A3KE12) |
| 1.A.23.7.1 | Plant plastid mechanosensitive channel, Msl2 (controls organelle morphology, as does Msl3) (Haswell and Meyerowitz, 2006; Haswell et al., 2008). | Plant | Msl2 of Arabidopsis thaliana (Q56X46) |
