ID   MT_STENE                Reviewed;          64 AA.
AC   P55953;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   25-MAY-2022, entry version 59.
DE   RecName: Full=Metallothionein;
DE            Short=MT;
OS   Sterechinus neumayeri (Antarctic sea urchin).
OC   Eukaryota; Metazoa; Echinodermata; Eleutherozoa; Echinozoa; Echinoidea;
OC   Euechinoidea; Echinacea; Camarodonta; Echinidea; Echinidae; Sterechinus.
OX   NCBI_TaxID=53479;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Egg;
RX   PubMed=9176568; DOI=10.1007/s000180050058;
RA   Scudiero R., Capasso C., Carginale V., Riggio M., Capasso A.,
RA   Ciaramella M., Filosa S., Parisi E.;
RT   "PCR amplification and cloning of metallothionein complementary DNAs in
RT   temperate and Antarctic sea urchin characterized by a large difference in
RT   egg metallothionein content.";
RL   Cell. Mol. Life Sci. 53:472-477(1997).
CC   -!- FUNCTION: Metallothioneins have a high content of cysteine residues
CC       that bind various heavy metals.
CC   -!- SIMILARITY: Belongs to the metallothionein superfamily. Type 4 family.
CC       {ECO:0000305}.
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DR   EMBL; Y08621; CAA69912.1; -; mRNA.
DR   AlphaFoldDB; P55953; -.
DR   SMR; P55953; -.
DR   PRIDE; P55953; -.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   InterPro; IPR017980; Metalthion_4_echinoid/annelid.
DR   InterPro; IPR001396; Metalthion_4_echinoidea.
DR   InterPro; IPR017854; Metalthion_dom_sf.
DR   Pfam; PF05522; Metallothio_6; 1.
DR   PRINTS; PR00873; MTECHINOIDEA.
DR   SUPFAM; SSF57868; SSF57868; 2.
PE   3: Inferred from homology;
KW   Metal-binding; Metal-thiolate cluster.
FT   CHAIN           1..64
FT                   /note="Metallothionein"
FT                   /id="PRO_0000197351"
SQ   SEQUENCE   64 AA;  6429 MW;  326B558A25CA0BAA CRC64;
     MPDVKCVCCK EGKECACKGK ECCTTGECCK DGTCCGKCTN AACKCADGCK CGSGCSCTEG
     NCAC