ID   SMP90_STOME             Reviewed;          15 AA.
AC   P0DUW7;
DT   29-SEP-2021, integrated into UniProtKB/Swiss-Prot.
DT   29-SEP-2021, sequence version 1.
DT   23-FEB-2022, entry version 2.
DE   RecName: Full=Antioxidant protein SmP90 {ECO:0000303|PubMed:22627106};
DE   Flags: Fragment;
OS   Stomolophus meleagris (Cannonball jelly).
OC   Eukaryota; Metazoa; Cnidaria; Scyphozoa; Rhizostomeae; Stomolophidae;
OC   Stomolophus.
OX   NCBI_TaxID=168796;
RN   [1]
RP   PROTEIN SEQUENCE, SUBCELLULAR LOCATION, IDENTIFICATION BY MASS
RP   SPECTROMETRY, AND FUNCTION.
RC   TISSUE=Tentacle;
RX   PubMed=22627106; DOI=10.1016/j.ijbiomac.2012.05.015;
RA   Li R., Yu H., Xing R., Liu S., Qing Y., Li K., Li B., Meng X., Cui J.,
RA   Li P.;
RT   "Isolation, identification and characterization of a novel antioxidant
RT   protein from the nematocyst of the jellyfish Stomolophus meleagris.";
RL   Int. J. Biol. Macromol. 51:274-278(2012).
CC   -!- FUNCTION: Has strong superoxide anion radical-scavenging activity
CC       (EC(50)~16 ug/mL). {ECO:0000269|PubMed:22627106}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:22627106}.
CC       Nematocyst {ECO:0000269|PubMed:22627106}.
CC   -!- MISCELLANEOUS: Has an apparent molecular weight of ~90 kDa.
CC       {ECO:0000269|PubMed:22627106}.
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DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0042151; C:nematocyst; IEA:UniProtKB-SubCell.
DR   GO; GO:0016209; F:antioxidant activity; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Antioxidant; Direct protein sequencing; Nematocyst; Secreted.
FT   CHAIN           1..>15
FT                   /note="Antioxidant protein SmP90"
FT                   /evidence="ECO:0000269|PubMed:22627106"
FT                   /id="PRO_0000453748"
FT   NON_TER         15
FT                   /evidence="ECO:0000305|PubMed:22627106"
SQ   SEQUENCE   15 AA;  1672 MW;  D4B9530AF86F8BAF CRC64;
     NLDTPYCFYS GDYGG