ID   DECO_BPP21              Reviewed;         115 AA.
AC   P36275;
DT   01-JUN-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1994, sequence version 1.
DT   02-JUN-2021, entry version 80.
DE   RecName: Full=Head decoration protein;
DE   AltName: Full=Head protein GPshp;
GN   Name=shp;
OS   Enterobacteria phage P21 (Bacteriophage 21) (Bacteriophage P21).
OC   Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes;
OC   Caudovirales; Siphoviridae; Lambdavirus.
OX   NCBI_TaxID=10711;
OH   NCBI_TaxID=562; Escherichia coli.
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8472949; DOI=10.1016/0378-1119(93)90583-o;
RA   Smith M.P., Feiss M.;
RT   "Sequence analysis of the phage 21 genes for prohead assembly and head
RT   completion.";
RL   Gene 126:1-7(1993).
CC   -!- FUNCTION: Stabilizes the head shell following the rearrangement of the
CC       gp7 subunits of the head shell lattice that accompanies expansion of
CC       the head.
CC   -!- SUBCELLULAR LOCATION: Virion {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the lambda phage gpD family. {ECO:0000305}.
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DR   EMBL; M81255; AAA32345.1; -; Genomic_DNA.
DR   PDB; 1TD0; X-ray; 1.95 A; A/B/C/D=2-115.
DR   PDB; 1TD3; X-ray; 2.37 A; A/B/C=1-115.
DR   PDB; 1TD4; X-ray; 1.50 A; A=1-115.
DR   PDBsum; 1TD0; -.
DR   PDBsum; 1TD3; -.
DR   PDBsum; 1TD4; -.
DR   SMR; P36275; -.
DR   DrugBank; DB03929; D-Serine.
DR   EvolutionaryTrace; P36275; -.
DR   GO; GO:0098021; C:viral capsid, decoration; IEA:UniProtKB-KW.
DR   InterPro; IPR004195; Head_decoration_D.
DR   InterPro; IPR036630; Head_decoration_D_sf.
DR   Pfam; PF02924; HDPD; 1.
DR   SUPFAM; SSF51274; SSF51274; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Capsid decoration protein; Capsid protein; Late protein;
KW   Virion.
FT   CHAIN           1..115
FT                   /note="Head decoration protein"
FT                   /id="PRO_0000077598"
FT   STRAND          16..18
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          24..29
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          40..43
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   TURN            45..47
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          50..52
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          55..57
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          63..67
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          74..79
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          81..85
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   HELIX           86..88
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   HELIX           97..101
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   TURN            102..106
FT                   /evidence="ECO:0007829|PDB:1TD4"
FT   STRAND          107..112
FT                   /evidence="ECO:0007829|PDB:1TD4"
SQ   SEQUENCE   115 AA;  11977 MW;  2C5D7F5DA8CC1F99 CRC64;
     MVTKTITEQR AEVRIFAGND PAHTATGSSG ISSPTPALTP LMLDEATGKL VVWDGQKAGS
     AVGILVLPLE GTETALTYYK SGTFATEAIH WPESVDEHKK ANAFAGSALS HAALP