ID   CHCB1_BOMMO             Reviewed;         174 AA.
AC   P08830;
DT   01-NOV-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1990, sequence version 2.
DT   25-MAY-2022, entry version 75.
DE   RecName: Full=Chorion class CB protein M5H4;
DE   Flags: Precursor;
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].
RX   PubMed=3338621; DOI=10.1016/0012-1606(88)90223-0;
RA   Hibner B.L., Burke W.D., Lecanidou R., Rodakis G.C., Eickbush T.H.;
RT   "Organization and expression of three genes from the silkmoth early chorion
RT   locus.";
RL   Dev. Biol. 125:423-431(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 6-174.
RX   PubMed=3462711; DOI=10.1073/pnas.83.17.6514;
RA   Lecanidou R., Rodakis G.C., Eickbush T.H., Kafatos F.C.;
RT   "Evolution of the silk moth chorion gene superfamily: gene families CA and
RT   CB.";
RL   Proc. Natl. Acad. Sci. U.S.A. 83:6514-6518(1986).
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; M19075; AAA27830.1; -; Genomic_DNA.
DR   EMBL; M13835; AAA27829.1; -; mRNA.
DR   PIR; A45937; A45937.
DR   PIR; B23548; B23548.
DR   AlphaFoldDB; P08830; -.
DR   eggNOG; ENOG502TC4H; Eukaryota.
DR   HOGENOM; CLU_087723_1_1_1; -.
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; 1.
PE   2: Evidence at transcript level;
KW   Reference proteome; Repeat; Signal.
FT   SIGNAL          1..20
FT   CHAIN           21..174
FT                   /note="Chorion class CB protein M5H4"
FT                   /id="PRO_0000005387"
FT   REGION          21..71
FT                   /note="Left arm"
FT   REGION          72..142
FT                   /note="Central domain"
FT   REGION          143..174
FT                   /note="Right arm"
FT   CONFLICT        115
FT                   /note="A -> V (in Ref. 2; AAA27829)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   174 AA;  17000 MW;  B0ED1BC8928CC568 CRC64;
     MTTIVVLICA SALFVQLAFS QCLGRDPVIG FGGAYGSGWG GYDAISPYDG LGYGVPYSAG
     FIGLSPSNLA ASCGGALAVN SLSPTTPTGL TVASENTIEG NLGIFGQLPF LGAVATDGAF
     STGGIGAVLY GCGDGAIGIV SEAPIVAPAS IGYGQWPVNA GYKGIGPCGC GGLY