TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
1.E.40.1.1









The Gp37 4 TMS (221 aas) putative holin

Viruses
Heunggongvirae, Uroviricota
Gp37 of mycobacterial phage PBI1
1.E.40.1.2









The Gp44 putative holin of 164 aas and 4 TMSs

Viruses
Heunggongvirae, Uroviricota
Gp44 of mycobacterial phage Patience
1.E.40.1.3









Gp28 putative holin of 161 aas and 4 TMSs

Viruses
Heunggongvirae, Uroviricota
Gp28 of mycobacterial phage Che9c
1.E.40.1.4









Gp29 putative holin of 160 aas and 4 TMSs

Viruses
Heunggongvirae, Uroviricota
Gp29 of mycobacterial phage BigNuz
1.E.40.2.1









Putative holin of 121 aas and 4 TMSs

Bacteria
Cyanobacteriota
Putative holin of Fischerella sp. JSC11
1.E.40.2.2









Putative holin of 121 aas and 4 TMSs.  The holin functions of a homolog of 54% identity to this holin have been well documented for cyanophage PaV-LD from the cyanobacterium, Planktothrix agardhii (Meng et al. 2022).

Bacteria
Cyanobacteriota
Putative holin of Microcoleus vaginatus
1.E.40.2.3









Putative holin of 121 aas and 4 TMSs

Bacteria
Cyanobacteriota
Putative holin of Anabaena variablis
1.E.40.3.1









Putative holin of 121 aas and 4 TMSs

Bacteria
Pseudomonadota
Putative holin of Burkholderia rhizoxinica
1.E.40.3.2









Putative holin of 113 aas and 4 TMSs

Bacteria
Pseudomonadota
Putative holin of Ralstonia solanacearum
1.E.40.3.3









Putative holin of 145 aas and 4 TMSs

Bacteria
Verrucomicrobiota
Putative holin of Opititus terrae
1.E.40.3.4









Putative holin of 120aas and 4 TMSs

Bacteria
Bacillota
Putative holin of Amphibacillus xylanus
1.E.40.3.5









Putative holin of 128 aas and 4 TMSs

Bacteria
Bacillota
Putative holin of Gemella morbillorum
1.E.40.3.6









Putative holin

Bacteria
Spirochaetota
Holin of Leptospira interrongans
1.E.40.3.7









Putative holin of 129 aas and 4 TMSs.

Bacteria
Candidatus Wolfebacteria
Holin of Candidatus Wolfebacteria bacterium
1.E.40.3.8









Putative holin of 146 aas and 4 TMSs (Palmer et al. 2020).

Bacteria
Chloroflexota
Holin of Chloroflexi bacterium G233
1.E.40.4.1









Putative holin of 115 aas and 4 TMSs

Bacteria
Bacillota
Putative holin of Ammonifex degensii
1.E.40.4.2









Putative holin of 117 aas and 4 TMSs

Bacteria
Bacillota
Putative holin of Paeibucillus mucilagiosus
1.E.40.4.3









Putative holin with 122 aas and 4 TMSs.  Shows limited sequence similiarity with 1.E.19.4.1.

Bacteria
Bacillota
Putative holin of Clostridium perfringens
1.E.40.4.4









Uncharacterized protein of 161 aas and 4 TMSs.

Bacteria
Bacillota
UP of Pediococcus damnosus
1.E.40.5.1









Largely hydrophilic protein with an N-terminal putative 4 TMS holin domain (720 aas).  The large hydrophilic domain may be a Type I phosphodiesterase/nucleotide pyrophosphatase.

Bacteria
Chloroflexota
Puative holin fusion protein of Caldilinia aeophila
1.E.40.5.2









Phage holin family proteinof 141 aas and 4 TMSs.

Archaea
Euryarchaeota
Holin of Methanobrevibacter arboriphilus
1.E.40.6.1









Holin of 139 aas and 4 TMSs.

Bacteria
Actinomycetota
Holin of Cellulosimicrobium cellulans (Arthrobacter luteus)