BAR1_CHITE
ID BAR1_CHITE Reviewed; 174 AA.
AC P02849;
DT 21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT 21-JUL-1986, sequence version 1.
DT 25-MAY-2022, entry version 57.
DE RecName: Full=Balbiani ring protein 1;
DE AltName: Full=Giant secretory protein I-A;
DE Short=GSP-IA;
DE Flags: Fragment;
GN Name=BR1;
OS Chironomus tentans (Midge) (Camptochironomus tentans).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Diptera; Nematocera; Chironomoidea; Chironomidae;
OC Chironominae; Chironomus.
OX NCBI_TaxID=7153;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-116 (CLONE PCTBR1-1).
RC TISSUE=Salivary gland;
RX PubMed=6305953; DOI=10.1016/s0021-9258(18)32249-x;
RA Case S.T., Byers M.R.;
RT "Repeated nucleotide sequence arrays in Balbiani ring 1 of Chironomus
RT tentans contain internally nonrepeating and subrepeating elements.";
RL J. Biol. Chem. 258:7793-7799(1983).
RN [2]
RP NUCLEOTIDE SEQUENCE [MRNA] OF 7-174 (CLONE PCT21).
RC TISSUE=Salivary gland;
RX PubMed=16593253; DOI=10.1073/pnas.79.22.6956;
RA Wieslander L., Sumegi J., Daneholt B.;
RT "Evidence for a common ancestor sequence for the Balbiani ring 1 and
RT Balbiani ring 2 genes in Chironomus tentans.";
RL Proc. Natl. Acad. Sci. U.S.A. 79:6956-6960(1982).
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; K00447; AAA28238.1; -; Genomic_DNA.
DR EMBL; J01055; AAA28236.1; -; mRNA.
DR PIR; A92428; BQIC1T.
DR AlphaFoldDB; P02849; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
PE 2: Evidence at transcript level;
KW Repeat; Secreted.
FT CHAIN <1..>174
FT /note="Balbiani ring protein 1"
FT /id="PRO_0000064823"
FT REPEAT 42..52
FT /note="1-1"
FT REPEAT 53..63
FT /note="1-2"
FT REPEAT 64..74
FT /note="1-3"
FT REPEAT 75..85
FT /note="1-4"
FT REPEAT 124..134
FT /note="2-1"
FT REPEAT 135..145
FT /note="2-2"
FT REPEAT 146..156
FT /note="2-3"
FT REPEAT 157..167
FT /note="2-4"
FT REGION 28..174
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 42..85
FT /note="4 X 11 AA tandem repeats"
FT REGION 124..167
FT /note="4 X 11 AA tandem repeats"
FT COMPBIAS 28..42
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 43..104
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 108..122
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 123..163
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT VARIANT 40
FT /note="N -> K (in clone PCT21)"
FT VARIANT 57
FT /note="G -> E (in clone PCT21)"
FT VARIANT 72
FT /note="K -> R (in clone PCT21)"
FT VARIANT 86
FT /note="R -> G (in clone PCT21)"
FT NON_TER 1
FT NON_TER 174
SQ SEQUENCE 174 AA; 18920 MW; E86E616C6413D751 CRC64;
RPERCGSAMR KAEAEKCARR NGRFNASKCR CTSAGKPSRN SEPSKGSKPR PEKPSKGSKP
RPEKPSKGSK PKPEKPSKGS KPRPERCGSA MRKAEAEKCA RRNGRFNASK CRCTSAGKPS
RKSEPSKGSK PRPEKPSKES KPRPEKPSKG SKPRPEKPSK GSKPRPEGCG SAMR
