ID   BSPB_POPDE              Reviewed;         312 AA.
AC   Q09117;
DT   01-FEB-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1995, sequence version 1.
DT   25-MAY-2022, entry version 62.
DE   RecName: Full=Bark storage protein B;
DE   Flags: Precursor;
GN   Name=BSP;
OS   Populus deltoides (Eastern poplar) (Eastern cottonwood).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Salicaceae; Saliceae; Populus.
OX   NCBI_TaxID=3696;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], AND PROTEIN SEQUENCE OF 25-43.
RC   TISSUE=Bark;
RX   PubMed=16668696; DOI=10.1104/pp.98.2.687;
RA   Coleman G.D., Chen T.H.H., Fuchigami L.;
RT   "cDNA cloning of poplar bark storage protein and control of its expression
RT   by photoperiod.";
RL   Plant Physiol. 98:687-693(1992).
CC   -!- FUNCTION: May play a role in nitrogen storage.
CC   -!- SUBUNIT: Monomer.
CC   -!- TISSUE SPECIFICITY: Bark tissue.
CC   -!- INDUCTION: By photoperiod. Short days stimulate accumulation, while
CC       long days inhibit.
CC   -!- SIMILARITY: To wound-inducible poplar endochitinases. {ECO:0000305}.
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DR   EMBL; M77504; AAA50504.1; -; mRNA.
DR   AlphaFoldDB; Q09117; -.
DR   SMR; Q09117; -.
DR   GO; GO:0003824; F:catalytic activity; IEA:InterPro.
DR   GO; GO:0045735; F:nutrient reservoir activity; IEA:UniProtKB-KW.
DR   GO; GO:0009116; P:nucleoside metabolic process; IEA:InterPro.
DR   Gene3D; 3.40.50.1580; -; 1.
DR   InterPro; IPR000845; Nucleoside_phosphorylase_d.
DR   InterPro; IPR035994; Nucleoside_phosphorylase_sf.
DR   Pfam; PF01048; PNP_UDP_1; 1.
DR   SUPFAM; SSF53167; SSF53167; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Glycoprotein; Signal; Storage protein.
FT   SIGNAL          1..24
FT                   /evidence="ECO:0000269|PubMed:16668696"
FT   CHAIN           25..312
FT                   /note="Bark storage protein B"
FT                   /id="PRO_0000020834"
FT   CARBOHYD        70
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   312 AA;  34229 MW;  4A0797065305009B CRC64;
     MPQQSMQASL RDPIAEIERS NCKIAHLRLG LVFTSDNNER ALQDSGLYSP DSEDSSVDIA
     GRRFHSGTLN GSSIVYVKTG SHSVNMATTL QILLARFSIH GVIYFGNAGS LDKKTMVPGD
     VSVPQAVAFT GVCNWKKFRS EKGKLVFGDF NYPENGENLL GTVEYEKIKM FSPSEAPKEV
     FWLPITKSWY NAATEALKDM KLRKCYSDEC LPGEPKVVFG SKSSTSDFYV RNKAYGDFLN
     DNFDAKTADT TSASVALTSL SNEKLFVVFQ GVSNVAGETS SNSRVSYLAS YNAFLAATKF
     INSIPTPRLA CE