ID   VGH_BPST1               Reviewed;         103 AA.
AC   P03648;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   25-MAY-2022, entry version 55.
DE   RecName: Full=Minor spike protein;
DE   AltName: Full=H protein;
DE   AltName: Full=Pilot protein;
DE   Flags: Fragment;
GN   Name=H;
OS   Escherichia phage St-1 (Bacteriophage St-1).
OC   Viruses; Monodnaviria; Sangervirae; Phixviricota; Malgrandaviricetes;
OC   Petitvirales; Microviridae; Bullavirinae; Alphatrevirus.
OX   NCBI_TaxID=10845;
OH   NCBI_TaxID=83333; Escherichia coli (strain K12).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=387790; DOI=10.1016/s0021-9258(19)86359-7;
RA   Sims J., Capon D., Dressler D.;
RT   "dnaG (primase)-dependent origins of DNA replication. Nucleotide sequences
RT   of the negative strand initiation sites of bacteriophages St-1, phi K, and
RT   alpha 3.";
RL   J. Biol. Chem. 254:12615-12628(1979).
CC   -!- FUNCTION: Minor spike component of the viral shell. Involved in the
CC       ejection of the phage DNA in the host and is injected with the DNA in
CC       the periplasmic space of the host. Involved in the determination of the
CC       phage host-range (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: The virion is composed of 60 copies each of the F, G, and J
CC       proteins, and 12 copies of the H protein. There are 12 spikes which are
CC       each composed of 5 G and one H proteins.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}.
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DR   EMBL; J02501; AAA32607.1; -; Genomic_RNA.
DR   PIR; A04256; ZHBPS1.
DR   GO; GO:0019028; C:viral capsid; IEA:UniProtKB-KW.
DR   GO; GO:0046718; P:viral entry into host cell; IEA:UniProtKB-KW.
DR   InterPro; IPR006777; Microvir_H.
DR   Pfam; PF04687; Microvir_H; 1.
PE   3: Inferred from homology;
KW   Capsid protein; Viral genome ejection through host cell envelope;
KW   Viral penetration into host cytoplasm; Virion; Virus entry into host cell.
FT   CHAIN           1..>103
FT                   /note="Minor spike protein"
FT                   /id="PRO_0000164903"
FT   NON_TER         103
SQ   SEQUENCE   103 AA;  9983 MW;  BCE79BC075FCEB98 CRC64;
     MLGSIIGGIG SSLLGGLASG GISSLLNKMF SKMPEHAASS AGLTNGQGTI GMDTDAGIQS
     VIQGSNVPPA GQLPASNTSG VMADAGNMIR NAGRALLDGT IQA