ID   DIT_BPSPP               Reviewed;         253 AA.
AC   O48459;
DT   02-NOV-2016, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   25-MAY-2022, entry version 64.
DE   RecName: Full=Distal tail protein {ECO:0000312|EMBL:CAA66560.1};
DE            Short=Dit;
DE   AltName: Full=Gene product 19.1;
DE            Short=Gp19.1;
OS   Bacillus phage SPP1 (Bacteriophage SPP1).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Siphoviridae.
OX   NCBI_TaxID=10724;
OH   NCBI_TaxID=1423; Bacillus subtilis.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9434185; DOI=10.1016/s0378-1119(97)00547-7;
RA   Alonso J.C., Luder G., Stiege A.C., Chai S., Weise F., Trautner T.A.;
RT   "The complete nucleotide sequence and functional organization of Bacillus
RT   subtilis bacteriophage SPP1.";
RL   Gene 204:201-212(1997).
RN   [2] {ECO:0007744|PDB:2X8K}
RP   X-RAY CRYSTALLOGRAPHY (2.95 ANGSTROMS) OF 2-253, SUBUNIT, FUNCTION, AND
RP   SUBCELLULAR LOCATION.
RX   PubMed=20843802; DOI=10.1074/jbc.m110.157529;
RA   Veesler D., Robin G., Lichiere J., Auzat I., Tavares P., Bron P.,
RA   Campanacci V., Cambillau C.;
RT   "Crystal structure of bacteriophage SPP1 distal tail protein (gp19.1): a
RT   baseplate hub paradigm in gram-positive infecting phages.";
RL   J. Biol. Chem. 285:36666-36673(2010).
CC   -!- FUNCTION: Forms a 40 Angstroms wide channel at the distal tip of the
CC       tail. Remains associated to the tail after DNA ejection.
CC       {ECO:0000269|PubMed:20843802}.
CC   -!- SUBUNIT: Homohexamer. {ECO:0000305|PubMed:20843802}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000269|PubMed:20843802}.
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DR   EMBL; X97918; CAA66560.1; -; Genomic_DNA.
DR   PIR; T42299; T42299.
DR   RefSeq; NP_690690.1; NC_004166.2.
DR   PDB; 2X8K; X-ray; 2.95 A; A/B/C=2-253.
DR   PDBsum; 2X8K; -.
DR   SMR; O48459; -.
DR   GeneID; 955334; -.
DR   KEGG; vg:955334; -.
DR   EvolutionaryTrace; O48459; -.
DR   Proteomes; UP000002559; Genome.
DR   GO; GO:0098015; C:virus tail; IDA:UniProtKB.
DR   GO; GO:0099001; P:viral genome ejection through host cell envelope, long flexible tail mechanism; IEA:UniProtKB-KW.
DR   InterPro; IPR006520; Dit_N.
DR   InterPro; IPR008841; Siphovirus-type_tail.
DR   Pfam; PF05709; Sipho_tail; 1.
DR   TIGRFAMs; TIGR01633; phi3626_gp14_N; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Reference proteome;
KW   Viral genome ejection through host cell envelope;
KW   Viral long flexible tail ejection system;
KW   Viral penetration into host cytoplasm; Viral tail protein; Virion;
KW   Virus entry into host cell.
FT   CHAIN           1..253
FT                   /note="Distal tail protein"
FT                   /id="PRO_0000438139"
FT   STRAND          13..15
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   HELIX           20..22
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          24..31
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          38..42
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          51..56
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          60..68
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   HELIX           74..88
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          94..98
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          105..115
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          123..145
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          150..154
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          156..158
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          163..167
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          175..181
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          184..191
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          196..202
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          204..206
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          234..242
FT                   /evidence="ECO:0007829|PDB:2X8K"
FT   STRAND          244..252
FT                   /evidence="ECO:0007829|PDB:2X8K"
SQ   SEQUENCE   253 AA;  28563 MW;  657D9AE32F9D0462 CRC64;
     MNIYDILDKV FTMMYDGQDL TDYFLVQEVR GRSVYSIEMG KRTIAGVDGG VITTESLPAR
     ELEVDAIVFG DGTETDLRRR IEYLNFLLHR DTDVPITFSD EPSRTYYGRY EFATEGDEKG
     GFHKVTLNFY CQDPLKYGPE VTTDVTTAST PVKNTGLAVT NPTIRCVFST SATEYEMQLL
     DGSTVVKFLK VKYGFNTGDT LVIDCHERSV TLNGQDIMPA LLIQSDWIQL KPQVNTYLKA
     TQPSTIVFTE KFL