ID   TTTP_BPN15              Reviewed;         132 AA.
AC   O64326;
DT   29-APR-2015, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   12-AUG-2020, entry version 63.
DE   RecName: Full=Tail tube terminator protein {ECO:0000303|PubMed:10860722};
DE            Short=TrP;
DE   AltName: Full=Gene product 12 {ECO:0000305};
DE            Short=gp12 {ECO:0000305};
DE   AltName: Full=Tail-to-head joining protein;
DE            Short=THJP;
GN   Name=gene 12 {ECO:0000312|EMBL:AAC19049.1};
OS   Escherichia phage N15 (Bacteriophage N15).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Siphoviridae; Ravinvirus.
OX   NCBI_TaxID=40631 {ECO:0000312|Proteomes:UP000002132};
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND IDENTIFICATION.
RX   PubMed=10860722; DOI=10.1006/jmbi.2000.3731;
RA   Ravin V., Ravin N., Casjens S., Ford M.E., Hatfull G.F., Hendrix R.W.;
RT   "Genomic sequence and analysis of the atypical temperate bacteriophage
RT   N15.";
RL   J. Mol. Biol. 299:53-73(2000).
CC   -!- FUNCTION: Plays an essential role in tail assembly by capping the
CC       rapidly polymerizing tail once it has reached its requisite length and
CC       serving as the interaction surface for the completion protein.
CC       {ECO:0000250|UniProtKB:P03732}.
CC   -!- SUBUNIT: Homohexamer. May bind to major tail protein and /or tape
CC       measure protein. {ECO:0000250|UniProtKB:P03732}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000250|UniProtKB:P03732}. Host
CC       cytoplasm {ECO:0000250|UniProtKB:P03732}.
CC   -!- SIMILARITY: Belongs to the lambda-like tail terminator protein family.
CC       {ECO:0000305}.
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DR   EMBL; AF064539; AAC19049.1; -; Genomic_DNA.
DR   PIR; T13098; T13098.
DR   RefSeq; NP_046907.1; NC_001901.1.
DR   SMR; O64326; -.
DR   GeneID; 1261651; -.
DR   KEGG; vg:1261651; -.
DR   Proteomes; UP000002132; Genome.
DR   GO; GO:0030430; C:host cell cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0098015; C:virus tail; IEA:UniProtKB-KW.
DR   GO; GO:0099001; P:viral genome ejection through host cell envelope, long flexible tail mechanism; IEA:UniProtKB-KW.
DR   GO; GO:0098003; P:viral tail assembly; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.70.1700; -; 1.
DR   InterPro; IPR038512; GpU-like_sf.
DR   InterPro; IPR009312; Phage_lambda_GpU-like.
DR   InterPro; IPR035934; Phage_tail_protein-like_sf.
DR   Pfam; PF06141; Phage_tail_U; 1.
DR   SUPFAM; SSF143749; SSF143749; 1.
PE   3: Inferred from homology;
KW   Host cytoplasm; Late protein; Reference proteome;
KW   Viral genome ejection through host cell envelope;
KW   Viral long flexible tail ejection system;
KW   Viral penetration into host cytoplasm; Viral release from host cell;
KW   Viral tail assembly; Viral tail protein; Virion;
KW   Virus entry into host cell.
FT   CHAIN           1..132
FT                   /note="Tail tube terminator protein"
FT                   /id="PRO_0000432903"
SQ   SEQUENCE   132 AA;  15017 MW;  146A2B7CCCAA7173 CRC64;
     MKHRDIRKVI IDALESAIGT DAIYFDGRPA VLEEGDFPAV AVYLTDAEYT GEELDADTWQ
     AILHIEVFLE AQVPDSELDD WMETRVYPVL AEVPGLESLI TTMVQQGYDY QRDDDMALWS
     SADLKYSITY DM