ID   CH16_DROSU              Reviewed;         141 AA.
AC   P24511;
DT   01-MAR-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-1992, sequence version 1.
DT   25-MAY-2022, entry version 54.
DE   RecName: Full=Chorion protein S16;
DE   Flags: Precursor;
GN   Name=Cp16; Synonyms=S16;
OS   Drosophila subobscura (Fruit fly).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea;
OC   Drosophilidae; Drosophila; Sophophora.
OX   NCBI_TaxID=7241;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2509714; DOI=10.1007/bf02100110;
RA   Fenerjian M.G., Martinez-Cruzado J.C., Swimmer C., King D., Kafatos F.C.;
RT   "Evolution of the autosomal chorion cluster in Drosophila. II. Chorion gene
RT   expression and sequence comparisons of the s16 and s19 genes in
RT   evolutionarily distant species.";
RL   J. Mol. Evol. 29:108-125(1989).
CC   -!- FUNCTION: Chorion membrane (egg shell) protein; plays a role in
CC       protecting the egg from the environment. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the chorion protein S16 family. {ECO:0000305}.
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DR   EMBL; X53423; CAA37511.1; -; Genomic_DNA.
DR   PIR; E32998; E32998.
DR   AlphaFoldDB; P24511; -.
DR   FlyBase; FBgn0012934; Dsub\Cp16.
DR   GO; GO:0042600; C:egg chorion; IEA:InterPro.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   InterPro; IPR008450; Chorion_S16.
DR   Pfam; PF05836; Chorion_S16; 1.
PE   3: Inferred from homology;
KW   Secreted; Signal.
FT   SIGNAL          1..22
FT                   /evidence="ECO:0000255"
FT   CHAIN           23..141
FT                   /note="Chorion protein S16"
FT                   /id="PRO_0000089618"
SQ   SEQUENCE   141 AA;  14837 MW;  6C0A9892C195CD45 CRC64;
     MSANNMRLLC LLLACYISAI VAHRPSYRSS GSDRYVDVVR ASETAEAQAA ALTNAAGAAA
     SAAKLDGADW YALNRYGWEQ GRPLLAKPYG PLDNLYAAAL PPRSFVAEID PVFKKSHYGG
     AYGGKSVTLN TGAKVAVAAL N