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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:P19061
Protein Name:Baseplate structural protein Gp7
Length:1032
Molecular Weight:119215.00
Species:Enterobacteria phage T4 [10665]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Virion1
Substrate deoxyribonucleic acid

Cross database links:

Structure:
5HX2   5IV5   5IV7     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MTVKAPSVTS LRISKLSANQ VQVRWDDVGA NFYYFVEIAE TKTNSGENLP SNQYRWINLG 
61:	YTANNSFFFD DADPLTTYII RVATAAQDFE QSDWIYTEEF ETFATNAYTF QNMIEMQLAN 
121:	KFIQEKFTLN NSDYVNFNND TIMAALMNES FQFSPSYVDV SSISNFIIGE NEYHEIQGSI 
181:	QQVCKDINRV YLMESEGILY LFERYQPVVK VSNDKGQTWK AVKLFNDRVG YPLSKTVYYQ 
241:	SANTTYVLGY DKIFYGRKST DVRWSADDVR FSSQDITFAK LGDQLHLGFD VEIFATYATL 
301:	PANVYRIAEA ITCTDDYIYV VARDKVRYIK TSNALIDFDP LSPTYSERLF EPDTMTITGN 
361:	PKAVCYKMDS ICDKVFALII GEVETLNANP RTSKIIDSAD KGIYVLNHDE KTWKRVFGNT 
421:	EEERRRIQPG YANMSTDGKL VSLSSSNFKF LSDNVVNDPE TAAKYQLIGA VKYEFPREWL 
481:	ADKHYHMMAF IADETSDWET FTPQPMKYYA EPFFNWSKKS NTRCWINNSD RAVVVYADLK 
541:	YTKVIENIPE TSPDRLVHEY WDDGDCTIVM PNVKFTGFKK YASGMLFYKA SGEIISYYDF 
601:	NYRVRDTVEI IWKPTEVFLK AFLQNQEHET PWSPEEERGL ADPDLRPLIG TMMPDSYLLQ 
661:	DSNFEAFCEA YIQYLSDGYG TQYNNLRNLI RNQYPREEHA WEYLWSEIYK RNIYLNADKR 
721:	DAVARFFESR SYDFYSTKGI EASYKFLFKV LYNEEVEIEI ESGAGTEYDI IVQSDSLTED 
781:	LVGQTIYTAT GRCNVTYIER SYSNGKLQWT VTIHNLLGRL IAGQEVKAER LPSFEGEIIR 
841:	GVKGKDLLQN NIDYINRSRS YYVMKIKSNL PSSRWKSDVI RFVHPVGFGF IAITLLTMFI 
901:	NVGLTLKHTE TIINKYKNYK WDSGLPTEYA DRIAKLTPTG EIEHDSVTGE AIYEPGPMAG 
961:	VKYPLPDDYN AENNNSIFQG QLPSERRKLM SPLFDASGTT FAQFRDLVNK RLKDNIGNPR 
1021:	DPENPTQVKI DE