ID   BAR2_CHIPA              Reviewed;         162 AA.
AC   P08725;
DT   01-AUG-1988, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1988, sequence version 1.
DT   25-MAY-2022, entry version 47.
DE   RecName: Full=Balbiani ring protein 2;
DE   AltName: Full=Giant secretory protein I-B;
DE            Short=GSP-IB;
DE   Flags: Fragment;
GN   Name=BR2;
OS   Chironomus pallidivittatus (Midge) (Camptochironomus pallidivittatus).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Endopterygota; Diptera; Nematocera; Chironomoidea; Chironomidae;
OC   Chironominae; Chironomus.
OX   NCBI_TaxID=7151;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   TISSUE=Salivary gland;
RA   Saiga H., Grond C., Schmidt E.R., Edstroem J.-E.;
RT   "Evolutionary conservation of the 3' ends of members of a family of giant
RT   secretory protein genes in Chironomus pallidivittatus.";
RL   J. Mol. Evol. 25:20-28(1987).
CC   -!- FUNCTION: Used by the larvae to construct a supramolecular structure,
CC       the larval tube.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- TISSUE SPECIFICITY: Salivary gland.
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DR   EMBL; X05622; CAA29109.1; -; Genomic_DNA.
DR   PIR; B29662; B29662.
DR   AlphaFoldDB; P08725; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
PE   2: Evidence at transcript level;
KW   Repeat; Secreted.
FT   CHAIN           <1..162
FT                   /note="Balbiani ring protein 2"
FT                   /id="PRO_0000064824"
FT   REGION          1..31
FT                   /note="Last constant region"
FT   REGION          32..51
FT                   /note="Last Cys-1 repeat"
FT   REGION          52..162
FT                   /note="Unique region"
FT   NON_TER         1
SQ   SEQUENCE   162 AA;  17922 MW;  055DAB04C9D6A72C CRC64;
     CDDAMRKTES DKCTNIGGKF DPSTCKCTPE TVTEGPTTCL ESSESDEVTT KKPCDCTCAP
     DCKRRKMIID VLLKYFYRDV YDKDCCKKNC DCDGAKFPEC EESNSKQSGM FDILAKLFKP
     QGGDFEAGSV EVDGKKLTSE KKEKFGKALQ DAVKGLEDIL NS