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1.K.1.1.1
Baseplate structural protein complex (GP5 is a lysozyme showing limited similarity to ComA of Neisseria species (3.A.11.2.1)) plus Gp18 tail sheath protein of phage T4. Gp5 (575 aas), the baseplate hub subunit, contains (1) an N-terminal GP5_OB domain, (2) a central lysozyme domain, and (3) a C-terminal domain of ~200 aas with repeat units that resemble BigA (1.B.12.5.5; residues 400-600) and ComA (3.A.11.2.1; residues 400-600). Twenty proteins comprise the entire tail complex of T4. See Rossmann et al. 2004 and Leiman et al. 2010) for tabulation of the properties and evidence concerning the functions of these constituents. gp27 and gp29 may comprise the transmembrane channel (Hu et al. 2015). The tail complex of T4 resembles the type VI protein secretion systems (TC# 3.A.23) of enteric bacteria (Shneider et al. 2013).

Accession Number:P19062
Protein Name:Baseplate structural protein Gp8
Length:334
Molecular Weight:38008.00
Species:Enterobacteria phage T4 [10665]
Location1 / Topology2 / Orientation3: Virion1
Substrate deoxyribonucleic acid

Cross database links:

Structure:
1N7Z   1N80   1N8B   1PDM   1TJA   5HX2   5IV5   5IV7     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MNDSSVIYRA IVTSKFRTEK MLNFYNSIGS GPDKNTIFIT FGRSEPWSSN ENEVGFAPPY 
61:	PTDSVLGVTD MWTHMMGTVK VLPSMLDAVI PRRDWGDTRY PDPYTFRIND IVVCNSAPYN 
121:	ATESGAGWLV YRCLDVPDTG MCSIASLTDK DECLKLGGKW TPSARSMTPP EGRGDAEGTI 
181:	EPGDGYVWEY LFEIPPDVSI NRCTNEYIVV PWPEELKEDP TRWGYEDNLT WQQDDFGLIY 
241:	RVKANTIRFK AYLDSVYFPE AALPGNKGFR QISIITNPLE AKAHPNDPNV KAEKDYYDPE 
301:	DLMRHSGEMI YMENRPPIIM AMDQTEEINI LFTF