ID   INH_BPT4                Reviewed;         226 AA.
AC   P18058;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1996, sequence version 2.
DT   23-FEB-2022, entry version 71.
DE   RecName: Full=Protein inh;
DE   AltName: Full=Inhibitor of prohead protease gp21;
GN   Name=inh; Synonyms=hoc.1;
OS   Enterobacteria phage T4 (Bacteriophage T4).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Myoviridae; Tevenvirinae; Tequatrovirus.
OX   NCBI_TaxID=10665;
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2377482; DOI=10.1093/nar/18.14.4277;
RA   Kaliman A.V., Khasanova M.A., Kryukov V.M., Tanyashin V.I., Bayev A.A.;
RT   "The nucleotide sequence of the region of bacteriophage T4 inh(lip)-hoc
RT   genes.";
RL   Nucleic Acids Res. 18:4277-4277(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND REVIEW ON FUNCTION.
RX   PubMed=12626685; DOI=10.1128/mmbr.67.1.86-156.2003;
RA   Miller E.S., Kutter E., Mosig G., Arisaka F., Kunisawa T., Ruger W.;
RT   "Bacteriophage T4 genome.";
RL   Microbiol. Mol. Biol. Rev. 67:86-156(2003).
CC   -!- FUNCTION: Inhibitor of the prohead protease gp21. Minor capsid protein.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}.
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DR   EMBL; X14869; CAA33012.1; -; Genomic_DNA.
DR   EMBL; AF158101; AAD42584.1; -; Genomic_DNA.
DR   PIR; JQ0567; S10496.
DR   RefSeq; NP_049794.1; NC_000866.4.
DR   GeneID; 1258560; -.
DR   KEGG; vg:1258560; -.
DR   Proteomes; UP000009087; Genome.
DR   GO; GO:0030414; F:peptidase inhibitor activity; IEA:UniProtKB-KW.
DR   GO; GO:0010466; P:negative regulation of peptidase activity; IEA:UniProtKB-KW.
DR   InterPro; IPR016594; Phage_T4_inh.
DR   PIRSF; PIRSF012159; Inh_gp21_prd; 1.
PE   4: Predicted;
KW   Protease inhibitor; Reference proteome; Virion.
FT   CHAIN           1..226
FT                   /note="Protein inh"
FT                   /id="PRO_0000164947"
SQ   SEQUENCE   226 AA;  25568 MW;  C2CD478358E78150 CRC64;
     MIDKDYIAEL KALDDNKEAK AKLAEYAEQF GIKVKKNKSF DNIVVDIEEA LQKLASEPMP
     ETDGLSIKDL IDAADAAEGL KYDDEEVNPE AALLIDSPIK SDIKIEVVET DKIPENTDVL
     IEDTPFVEEK FEQAVAEIIE SEKPSVFTLP ENFSPNLQLI GKNLGFCTVP WWIYQWIAET
     PDWKSHPTSF EHASAHQTLF SLIYYINRDG SVLIRETRNS SFVTLK