ID   BDNF_XENUN              Reviewed;         222 AA.
AC   Q1HN38;
DT   02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-JUN-2006, sequence version 1.
DT   25-MAY-2022, entry version 40.
DE   RecName: Full=Brain-derived neurotrophic factor;
DE            Short=BDNF;
DE   Flags: Precursor; Fragment;
GN   Name=BDNF;
OS   Xenopeltis unicolor (Sunbeam snake).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC   Serpentes; Henophidia; Xenopeltidae; Xenopeltis.
OX   NCBI_TaxID=196253;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=16624591; DOI=10.1016/j.ympev.2006.03.010;
RA   Noonan B.P., Chippindale P.T.;
RT   "Dispersal and vicariance: the complex evolutionary history of boid
RT   snakes.";
RL   Mol. Phylogenet. Evol. 40:347-358(2006).
CC   -!- FUNCTION: Promotes the survival of neuronal populations that are all
CC       located either in the central nervous system or directly connected to
CC       it. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the NGF-beta family. {ECO:0000305}.
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DR   EMBL; DQ465563; ABF56545.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q1HN38; -.
DR   SMR; Q1HN38; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0008083; F:growth factor activity; IEA:UniProtKB-KW.
DR   Gene3D; 2.10.90.10; -; 1.
DR   InterPro; IPR020430; Brain-der_neurotrophic_factor.
DR   InterPro; IPR029034; Cystine-knot_cytokine.
DR   InterPro; IPR020408; Nerve_growth_factor-like.
DR   InterPro; IPR002072; Nerve_growth_factor-rel.
DR   InterPro; IPR019846; Nerve_growth_factor_CS.
DR   PANTHER; PTHR11589; PTHR11589; 1.
DR   PANTHER; PTHR11589:SF3; PTHR11589:SF3; 1.
DR   Pfam; PF00243; NGF; 1.
DR   PIRSF; PIRSF001789; NGF; 1.
DR   PRINTS; PR01912; BDNFACTOR.
DR   PRINTS; PR00268; NGF.
DR   SMART; SM00140; NGF; 1.
DR   SUPFAM; SSF57501; SSF57501; 1.
DR   PROSITE; PS00248; NGF_1; 1.
DR   PROSITE; PS50270; NGF_2; 1.
PE   3: Inferred from homology;
KW   Cleavage on pair of basic residues; Disulfide bond; Glycoprotein;
KW   Growth factor; Secreted; Signal.
FT   SIGNAL          1..4
FT                   /evidence="ECO:0000255"
FT   PROPEP          5..113
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000346701"
FT   CHAIN           114..>222
FT                   /note="Brain-derived neurotrophic factor"
FT                   /id="PRO_0000346702"
FT   CARBOHYD        106
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   DISULFID        126..193
FT                   /evidence="ECO:0000250"
FT   DISULFID        171..222
FT                   /evidence="ECO:0000250"
FT   NON_TER         1
FT   NON_TER         222
SQ   SEQUENCE   222 AA;  25002 MW;  AA1E77A044B4036E CRC64;
     CMKAAPMKEV SVRGQGSLVY PGLRTQGNLE TLSGPNDATR GLTSLADTFE HVIEELLDEQ
     QVIQPSKENK DADLYSSRVM LSSQVPLEPP LLFLLEEYKN YLDAANMSMR VRRHSDPARR
     GELSVCDSTS EWVTAAEKKT AVDMSGATVT VLEKVPVPKG QLKQYFYETK CSSKGYAKEG
     CRGIDKRYWN SQCRTTQSYV RALTMDNKKR VGWRFIRIDT SC