9.A.10.1.1 The SpoIISA oligomeric toxin with 3 N-terminal TMSs and a C-terminal hydrophilic domain. The oligomeric structure probably forms a pore in the membrane. The anti-toxin, SpoIISB (56 aas; O34800) forms an A2B2 heterotetramer (Makroczyova J et al, 2014; PMID 25039482).
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Accession Number: | O34853 |
Protein Name: | Stage II sporulation protein SA |
Length: | 248 |
Molecular Weight: | 29061.00 |
Species: | Bacillus subtilis (strain 168) [224308] |
Number of TMSs: | 2 |
Location1 / Topology2 / Orientation3: |
Cell membrane1 / Multi-pass membrane protein2 |
Substrate |
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1: MVLFFQIMVW CIVAGLGLYV YATWRFEAKV KEKMSAIRKT WYLLFVLGAM VYWTYEPTSL
61: FTHWERYLIV AVSFALIDAF IFLSAYVKKL AGSELETDTR EILEENNEML HMYLNRLKTY
121: QYLLKNEPIH VYYGSIDAYA EGIDKLLKTY ADKMNLTASL CHYSTQADKD RLTEHMDDPA
181: DVQTRLDRKD VYYDQYGKVV LIPFTIETQN YVIKLTSDSI VTEFDYLLFT SLTSIYDLVL
241: PIEEEGEG