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MT_POTPO
ID   MT_POTPO                Reviewed;          58 AA.
AC   P55952;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=Metallothionein;
DE            Short=MT;
OS   Potamon potamios.
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Crustacea; Multicrustacea;
OC   Malacostraca; Eumalacostraca; Eucarida; Decapoda; Pleocyemata; Brachyura;
OC   Eubrachyura; Potamoidea; Potamidae; Potamon.
OX   NCBI_TaxID=59185;
RN   [1]
RP   PROTEIN SEQUENCE, AND MASS SPECTROMETRY.
RC   TISSUE=Midgut;
RX   PubMed=8921011; DOI=10.1042/bj3190999;
RA   Pedersen S.N., Pedersen K.L., Hoejrup P., Depledge M.H., Knudsen J.;
RT   "Primary structures of decapod crustacean metallothioneins with special
RT   emphasis on freshwater and semi-terrestrial species.";
RL   Biochem. J. 319:999-1003(1996).
CC   -!- FUNCTION: Metallothioneins have a high content of cysteine residues
CC       that bind various heavy metals. Class I MTS in crustacea are involved
CC       in the sequestration of elevated levels of heavy-metal ions.
CC   -!- INDUCTION: By cadmium.
CC   -!- MASS SPECTROMETRY: Mass=6156.8; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:8921011};
CC   -!- SIMILARITY: Belongs to the metallothionein superfamily. Type 3 family.
CC       {ECO:0000305}.
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DR   AlphaFoldDB; P55952; -.
DR   SMR; P55952; -.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   InterPro; IPR002045; Metalthion_crustacean.
DR   InterPro; IPR017854; Metalthion_dom_sf.
DR   PRINTS; PR00858; MTCRUSTACEAN.
DR   SUPFAM; SSF57868; SSF57868; 2.
PE   1: Evidence at protein level;
KW   Cadmium; Direct protein sequencing; Metal-binding; Metal-thiolate cluster.
FT   CHAIN           1..58
FT                   /note="Metallothionein"
FT                   /id="PRO_0000197344"
FT   REGION          1..29
FT                   /note="Beta"
FT   REGION          30..58
FT                   /note="Alpha"
FT   BINDING         4
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         5
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         5
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         10
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         12
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         17
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         17
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         21
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="1"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         23
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         26
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="2"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         26
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         28
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="3"
FT                   /ligand_note="in cluster B"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         31
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="4"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         34
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="4"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         34
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="5"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         38
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="5"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         40
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="6"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         46
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="6"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         50
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="4"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         50
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="6"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         54
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="4"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         56
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="5"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         57
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="5"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
FT   BINDING         57
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /ligand_label="6"
FT                   /ligand_note="in cluster A"
FT                   /evidence="ECO:0000250|UniProtKB:P29499"
SQ   SEQUENCE   58 AA;  6157 MW;  DCB71F9AB4DF779C CRC64;
     PDPCCAEGTC ECEEGKCKAG CKCTSCRCSP CEKCTSECEC KSKEECAKNC TKPCSCCP
 
 
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