ID   B2_TENMO                Reviewed;         128 AA.
AC   Q27018;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 74.
DE   RecName: Full=B2 protein;
DE   Flags: Precursor; Fragment;
OS   Tenebrio molitor (Yellow mealworm beetle).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Endopterygota; Coleoptera; Polyphaga; Cucujiformia;
OC   Tenebrionidae; Tenebrio.
OX   NCBI_TaxID=7067;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Tubular accessory gland;
RX   PubMed=7773257; DOI=10.1016/0965-1748(94)00085-v;
RA   Paesen G.C., Happ G.M.;
RT   "The B proteins secreted by the tubular accessory sex glands of the male
RT   mealworm beetle, Tenebrio molitor, have sequence similarity to moth
RT   pheromone-binding proteins.";
RL   Insect Biochem. Mol. Biol. 25:401-408(1995).
CC   -!- FUNCTION: May be a carrier protein for lipids.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305}.
CC   -!- TISSUE SPECIFICITY: Tubular accessory sex gland.
CC   -!- PTM: N-glycosylated.
CC   -!- SIMILARITY: Belongs to the PBP/GOBP family. {ECO:0000305}.
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DR   EMBL; M97917; AAC41572.1; -; mRNA.
DR   AlphaFoldDB; Q27018; -.
DR   SMR; Q27018; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0005549; F:odorant binding; IEA:InterPro.
DR   Gene3D; 1.10.238.20; -; 1.
DR   InterPro; IPR006170; PBP/GOBP.
DR   InterPro; IPR036728; PBP_GOBP_sf.
DR   Pfam; PF01395; PBP_GOBP; 1.
DR   SMART; SM00708; PhBP; 1.
DR   SUPFAM; SSF47565; SSF47565; 1.
PE   2: Evidence at transcript level;
KW   Disulfide bond; Glycoprotein; Secreted; Signal.
FT   SIGNAL          <1..10
FT                   /evidence="ECO:0000255"
FT   CHAIN           11..128
FT                   /note="B2 protein"
FT                   /id="PRO_0000012593"
FT   DISULFID        26..57
FT                   /evidence="ECO:0000250"
FT   DISULFID        97..114
FT                   /evidence="ECO:0000250"
FT   NON_TER         1
SQ   SEQUENCE   128 AA;  14271 MW;  F5B779D37C26AC1B CRC64;
     SLILLVAVQA LTEEDLQLLR QTSAECKTES GASEAVIKKA RKGDLEDDPK LKMQLLCIFK
     ALEIVAESGE IEADTFKEKL TRVTNDDEES EKIVEKCTVT EDTPEDTAFE VTKCVLKDKP
     NFFGDLFV