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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:P19060
Protein Name:Baseplate structural protein Gp6
Length:660
Molecular Weight:74429.00
Species:Enterobacteria phage T4 [10665]
Location1 / Topology2 / Orientation3: Virion1
Substrate deoxyribonucleic acid

Cross database links:

Structure:
3H2T   3H3W   3H3Y   5HX2   5IV5   5IV7     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MANTPVNYQL TRTANAIPEI FVGGTFAEIK QNLIEWLNGQ NEFLDYDFEG SRLNVLCDLL 
61:	AYNTLYIQQF GNAAVYESFM RTANLRSSVV QAAQDNGYLP TSKSAAQTEI MLTCTDALNR 
121:	NYITIPRGTR FLAYAKDTSV NPYNFVSRED VIAIRDKNNQ YFPRLKLAQG RIVRTEIIYD 
181:	KLTPIIIYDK NIDRNQVKLY VDGAEWINWT RKSMVHAGST STIYYMRETI DGNTEFYFGE 
241:	GEISVNASEG ALTANYIGGL KPTQNSTIVI EYISTNGADA NGAVGFSYAD TLTNITVINI 
301:	NENPNDDPDF VGADGGGDPE DIERIRELGT IKRETQQRCV TATDYDTFVS ERFGSIIQAV 
361:	QTFTDSTKPG YAFIAAKPKS GLYLTTVQRE DIKNYLKDYN LAPITPSIIS PNYLFIKTNL 
421:	KVTYALNKLQ ESEQWLEGQI IDKIDRYYTE DVEIFNSSFA KSKMLTYVDD ADHSVIGSSA 
481:	TIQMVREVQN FYKTPEAGIK YNNQIKDRSM ESNTFSFNSG RKVVNPDTGL EEDVLYDVRI 
541:	VSTDRDSKGI GKVIIGPFAS GDVTENENIQ PYTGNDFNKL ANSDGRDKYY VIGEINYPAD 
601:	VIYWNIAKIN LTSEKFEVQT IELYSDPTDD VIFTRDGSLI VFENDLRPQY LTIDLEPISQ