ID   TSP_BPSK2               Reviewed;         393 AA.
AC   P85993; B9A7B0;
DT   23-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   02-MAR-2010, sequence version 2.
DT   23-FEB-2022, entry version 22.
DE   RecName: Full=Major tail sheath protein {ECO:0000250|UniProtKB:P22501};
DE   AltName: Full=Virion protein A {ECO:0000303|PubMed:19087204};
OS   Serratia phage KSP20 (Serratia marcescens bacteriophage KSP20).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Myoviridae; Peduovirinae; unclassified Peduovirinae.
OX   NCBI_TaxID=552527;
OH   NCBI_TaxID=615; Serratia marcescens.
RN   [1] {ECO:0000305, ECO:0000312|EMBL:BAH15156.1}
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND PROTEIN SEQUENCE OF 2-21.
RX   PubMed=19087204; DOI=10.1111/j.1574-6968.2008.01455.x;
RA   Matsushita K., Uchiyama J., Kato S., Ujihara T., Hoshiba H., Sugihara S.,
RA   Muraoka A., Wakiguchi H., Matsuzaki S.;
RT   "Morphological and genetic analysis of three bacteriophages of Serratia
RT   marcescens isolated from environmental water.";
RL   FEMS Microbiol. Lett. 291:201-208(2009).
CC   -!- FUNCTION: Forms the virus contractile tail sheath.
CC       {ECO:0000250|UniProtKB:P22501}.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000269|PubMed:19087204}.
CC   -!- SIMILARITY: Belongs to the myoviridae tail sheath protein family.
CC       {ECO:0000305}.
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DR   EMBL; AB452988; BAH15156.1; -; Genomic_DNA.
DR   SMR; P85993; -.
DR   GO; GO:0098027; C:virus tail, sheath; IEA:UniProtKB-KW.
DR   GO; GO:0099000; P:viral genome ejection through host cell envelope, contractile tail mechanism; IEA:UniProtKB-KW.
DR   InterPro; IPR035089; Phage_sheath_subtilisin.
DR   InterPro; IPR020287; Tail_sheath_C.
DR   Pfam; PF04984; Phage_sheath_1; 1.
DR   Pfam; PF17482; Phage_sheath_1C; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; 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 sheath protein; Virion; Virus entry into host cell.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:19087204"
FT   CHAIN           2..393
FT                   /note="Major tail sheath protein"
FT                   /evidence="ECO:0000269|PubMed:19087204"
FT                   /id="PRO_0000351153"
SQ   SEQUENCE   393 AA;  42798 MW;  D3023239FA344A8A CRC64;
     MTDNFFHGAR VKENTDLQTA INDVDSTVIG LVAVADDADA TTFPLDTPVL ITRVISVLGK
     AGKTGSLYKS LKAISDQVST RVIVVRVAAA GTEDGAKTQS QLIIGGSQAD GSYTGMFALL
     TAEQKVGYRP RILGVPMYDT QEVTAQLRVI AKQLRAFSYS YCDGCETIAE AKTYREQFAE
     REGMLIWPNF IAYNSVSGEN EEFPAVAYAL GLRAKIDNEQ GWHKSLSNVA VSNVLGITKD
     VFWALQAEDS DANELNANEV TTLIKRDGFR FWGNRTTDKD EYIFEVYTRT AQILADTIAE
     AQFTTVDSPL TPANVKDVVS GINAKLQGLV TAGRLIGAAC WFDIVDNPKT SIPQGKAVVR
     YNYSPVPPLE DLTMIQTFTD QYYEAAFASL GGA