ID   TUBE_BPP2               Reviewed;         172 AA.
AC   P22502;
DT   01-AUG-1991, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   07-OCT-2020, entry version 73.
DE   RecName: Full=Tail tube protein;
DE            Short=TTP;
DE   AltName: Full=Protein FII;
GN   Name=FII;
OS   Escherichia phage P2 (Bacteriophage P2).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Myoviridae; Peduovirinae; Peduovirus.
OX   NCBI_TaxID=10679;
OH   NCBI_TaxID=543; Enterobacteriaceae.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 2-20, AND FUNCTION.
RX   PubMed=1825255; DOI=10.1016/0042-6822(91)90502-3;
RA   Temple L.M., Forsburg S.L., Calendar R., Christie G.E.;
RT   "Nucleotide sequence of the genes encoding the major tail sheath and tail
RT   tube proteins of bacteriophage P2.";
RL   Virology 181:353-358(1991).
CC   -!- FUNCTION: Forms the virus tail tube. {ECO:0000269|PubMed:1825255}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the P2likevirus major tail tube protein family.
CC       {ECO:0000305}.
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DR   EMBL; AF063097; AAD03290.1; -; Genomic_DNA.
DR   PIR; S26392; S26392.
DR   RefSeq; NP_046779.1; NC_001895.1.
DR   SMR; P22502; -.
DR   PRIDE; P22502; -.
DR   GeneID; 1261535; -.
DR   KEGG; vg:1261535; -.
DR   Proteomes; UP000009092; Genome.
DR   GO; GO:0098026; C:virus tail, tube; IEA:UniProtKB-KW.
DR   GO; GO:0099000; P:viral genome ejection through host cell envelope, contractile tail mechanism; IEA:UniProtKB-KW.
DR   InterPro; IPR006498; Tail_tube.
DR   PANTHER; PTHR35861:SF2; PTHR35861:SF2; 1.
DR   Pfam; PF04985; Phage_tube; 1.
DR   TIGRFAMs; TIGR01611; tail_tube; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Late protein; Reference proteome;
KW   Viral contractile tail ejection system;
KW   Viral genome ejection through host cell envelope;
KW   Viral penetration into host cytoplasm; Viral tail protein;
KW   Viral tail tube protein; Virion; Virus entry into host cell.
FT   INIT_MET        1
FT                   /note="Removed; by host"
FT                   /evidence="ECO:0000269|PubMed:1825255"
FT   CHAIN           2..172
FT                   /note="Tail tube protein"
FT                   /id="PRO_0000165251"
SQ   SEQUENCE   172 AA;  19069 MW;  D3C0EE2F89F353AE CRC64;
     MAMPRKLKLM NVFLNGYSYQ GVAKSVTLPK LTRKLENYRG AGMNGSAPVD LGLDDDALSM
     EWSLGGFPDS VIWELYAATG VDAVPIRFAG SYQRDDTGET VAVEVVMRGR QKEIDTGEGK
     QGEDTESKIS VVCTYFRLTM DGKELVEIDT INMIEKVNGV DRLEQHRRNI GL