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1.M.1.1.1
The Spanin1 (Rz; inner membrane, IM)/Spanin2 (Rz1; outer membrane, OM) complex. Spanin1, 153 aas; Spanin2, 60 aas. Together they span the periplasm and mediate fusion of the IM and OM. By doing so, they disrupt the double membrane barrier (Berry et al. 2008; Rajaure et al. 2015; Kongari et al. 2018).

Accession Number:P00726
Protein Name:Spanin, inner membrane subunit
Length:153
Molecular Weight:17230.00
Species:Enterobacteria phage lambda [10710]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Host cell inner membrane1 / Single-pass type II membrane protein2
Substrate molecule

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FASTA formatted sequence
1:	MSRVTAIISA LVICIIVCLS WAVNHYRDNA ITYKAQRDKN ARELKLANAA ITDMQMRQRD 
61:	VAALDAKYTK ELADAKAEND ALRDDVAAGR RRLHIKAVCQ SVREATTASG VDNAASPRLA 
121:	DTAERDYFTL RERLITMQKQ LEGTQKYINE QCR