ID   CHCA3_BOMMO             Reviewed;         119 AA.
AC   Q17213;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   25-MAY-2022, entry version 55.
DE   RecName: Full=Chorion class CA protein ERA.3;
DE   Flags: Precursor;
GN   Name=ERA.3;
OS   Bombyx mori (Silk moth).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Endopterygota; Lepidoptera; Glossata; Ditrysia; Bombycoidea;
OC   Bombycidae; Bombycinae; Bombyx.
OX   NCBI_TaxID=7091;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=703;
RX   PubMed=1874417; DOI=10.1093/genetics/128.3.595;
RA   Hibner B.L., Burke W.D., Eickbush T.H.;
RT   "Sequence identity in an early chorion multigene family is the result of
RT   localized gene conversion.";
RL   Genetics 128:595-606(1991).
CC   -!- FUNCTION: This protein is one of many from the eggshell of the silk
CC       moth.
CC   -!- SIMILARITY: Belongs to the chorion protein family. {ECO:0000305}.
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DR   EMBL; X58446; CAA41352.1; -; Genomic_DNA.
DR   PIR; S24292; S24292.
DR   RefSeq; NP_001112378.1; NM_001118906.1.
DR   AlphaFoldDB; Q17213; -.
DR   GeneID; 100141509; -.
DR   KEGG; bmor:100141509; -.
DR   CTD; 100141509; -.
DR   InParanoid; Q17213; -.
DR   OrthoDB; 1640624at2759; -.
DR   Proteomes; UP000005204; Unassembled WGS sequence.
DR   GO; GO:0042600; C:egg chorion; IEA:InterPro.
DR   GO; GO:0005213; F:structural constituent of egg chorion; IEA:InterPro.
DR   GO; GO:0007304; P:chorion-containing eggshell formation; IEA:InterPro.
DR   InterPro; IPR002635; Chorion.
DR   Pfam; PF01723; Chorion_1; 2.
PE   3: Inferred from homology;
KW   Reference proteome; Repeat; Signal.
FT   SIGNAL          1..21
FT                   /evidence="ECO:0000255"
FT   CHAIN           22..119
FT                   /note="Chorion class CA protein ERA.3"
FT                   /id="PRO_0000005378"
FT   REGION          22..55
FT                   /note="Left arm"
FT   REGION          56..103
FT                   /note="Central domain"
FT   REGION          104..119
FT                   /note="Right arm"
SQ   SEQUENCE   119 AA;  11338 MW;  B4D4D9CB797ABF66 CRC64;
     MSYFVVFAIC IQACLFHNVY SQCLGRVGPG GPPLGPYGGP LGGPGYGPVG YGGCGGYGGS
     GIGNVAVAGE LPVVGSSAVM GQVPVIGAVE FAGPACAVGS VSISGACGPT CGCGGLPYY