ID   TX16_PHORI              Reviewed;          64 AA.
AC   P83893;
DT   19-JUL-2004, integrated into UniProtKB/Swiss-Prot.
DT   10-MAY-2004, sequence version 1.
DT   25-MAY-2022, entry version 30.
DE   RecName: Full=U9-ctenitoxin-Pr1a;
DE            Short=U9-CNTX-Pr1a;
DE   AltName: Full=Non-toxic venom protein PRTx16C0;
OS   Phoneutria reidyi (Brazilian Amazonian armed spider) (Ctenus reidyi).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Araneae;
OC   Araneomorphae; Entelegynae; Lycosoidea; Ctenidae; Phoneutria.
OX   NCBI_TaxID=272752 {ECO:0000305};
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, FUNCTION, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, AND
RP   MASS SPECTROMETRY.
RC   TISSUE=Venom;
RA   Richardson M., Pimenta A.M.C., Bemquerer M.P., Santoro M.M.,
RA   Figueiredo S.G., Cordeiro M.N.;
RT   "Non-toxic protein PRTx16C0 from venom of Brazilian Amazonian armed spider
RT   Phoneutria reidyi has sequence similarities with toxins from other
RT   spiders.";
RL   Submitted (APR-2004) to UniProtKB.
CC   -!- FUNCTION: Non-toxic to mice and insects. {ECO:0000269|Ref.1,
CC       ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|Ref.1, ECO:0000305}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000269|Ref.1,
CC       ECO:0000305}.
CC   -!- MASS SPECTROMETRY: Mass=6981.39; Method=Electrospray;
CC       Evidence={ECO:0000269|Ref.1, ECO:0000305};
CC   -!- SIMILARITY: Belongs to the u-CNTX family.
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DR   AlphaFoldDB; P83893; -.
DR   SMR; P83893; -.
DR   ArachnoServer; AS000214; U9-ctenitoxin-Pr1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Secreted.
FT   CHAIN           1..64
FT                   /note="U9-ctenitoxin-Pr1a"
FT                   /id="PRO_0000087649"
FT   DISULFID        3..15
FT                   /evidence="ECO:0000250"
FT   DISULFID        9..24
FT                   /evidence="ECO:0000250"
FT   DISULFID        14..47
FT                   /evidence="ECO:0000250"
FT   DISULFID        34..55
FT                   /evidence="ECO:0000250"
FT   DISULFID        49..61
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   64 AA;  6990 MW;  95E063A951261830 CRC64;
     EWCGSNADCG DGQCCTGGSF NRHCQSLADD GTPCQKPNDY NEYKFGCPCK EGLICSPINY
     CQKK