ID   CHB1_BOMMO              Reviewed;         168 AA.
AC   P08827;
DT   01-NOV-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1988, sequence version 1.
DT   25-MAY-2022, entry version 60.
DE   RecName: Full=Chorion class B protein L11;
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].
RC   STRAIN=703;
RX   PubMed=3023635; DOI=10.1016/0022-2836(86)90072-0;
RA   Spoerel N., Nguyen H.T., Kafatos F.C.;
RT   "Gene regulation and evolution in the chorion locus of Bombyx mori.
RT   Structural and developmental characterization of four eggshell genes and
RT   their flanking DNA regions.";
RL   J. Mol. Biol. 190:23-35(1986).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2810362; DOI=10.1016/0022-2836(89)90166-6;
RA   Spoerel N.A., Nguyen H.T., Eickbush T.H., Kafatos F.C.;
RT   "Gene evolution and regulation in the chorion complex of Bombyx mori.
RT   Hybridization and sequence analysis of multiple developmentally middle A/B
RT   chorion gene pairs.";
RL   J. Mol. Biol. 209:1-19(1989).
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; X15557; CAA33566.1; -; Genomic_DNA.
DR   PIR; C24255; C24255.
DR   AlphaFoldDB; P08827; -.
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   3: Inferred from homology;
KW   Reference proteome; Repeat; Signal.
FT   SIGNAL          1..21
FT   CHAIN           22..168
FT                   /note="Chorion class B protein L11"
FT                   /id="PRO_0000005383"
FT   REPEAT          32..36
FT                   /note="1"
FT   REPEAT          37..41
FT                   /note="2"
FT   REPEAT          42..46
FT                   /note="3"
FT   REPEAT          47..51
FT                   /note="4; approximate"
FT   REGION          22..59
FT                   /note="Left arm"
FT   REGION          32..51
FT                   /note="4 X 5 AA approximate tandem repeats of G-Y-G-G-L"
FT   REGION          60..128
FT                   /note="Central domain"
FT   REGION          129..168
FT                   /note="Right arm (Gly-rich tandem repeats)"
SQ   SEQUENCE   168 AA;  15594 MW;  EECC357AE942A12B CRC64;
     MAAKLILFVC ATALVAQSAL GIGCGCGCGG RGYGGLGYGG LGYGGLGYGG YGGGCGRGFS
     GGGLPVATAS AAPTGLGIAS ENRYEGTVGV CGNLPFLGTA DVAGEFPTAG IGEILYGCGN
     GAVGITREGG LGFGAGYGGG YGLGYGGYGG GYGLGYGGYG GCGCGCGY