ID   HEMT_PARUS              Reviewed;         119 AA.
AC   Q6W3Z9;
DT   01-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 56.
DE   RecName: Full=Hemerythrin;
OS   Paraleonnates uschakovi (Giant mud worm) (Periserrula leucophryna).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Annelida; Polychaeta;
OC   Errantia; Phyllodocida; Nereididae; Periserrula.
OX   NCBI_TaxID=232278;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=Isolate Paik1977;
RA   Choi J.-W., Joo H.-S., Chang C.-S.;
RL   Submitted (JUN-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Hemerythrin is a respiratory protein in blood cells of
CC       certain marine worms. The oxygen-binding site in each chain contains
CC       two iron atoms (By similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the hemerythrin family. {ECO:0000305}.
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DR   EMBL; AY312845; AAQ63634.1; -; mRNA.
DR   AlphaFoldDB; Q6W3Z9; -.
DR   SMR; Q6W3Z9; -.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0005344; F:oxygen carrier activity; IEA:UniProtKB-KW.
DR   GO; GO:0055072; P:iron ion homeostasis; IEA:UniProt.
DR   CDD; cd12107; Hemerythrin; 1.
DR   Gene3D; 1.20.120.50; -; 1.
DR   InterPro; IPR002063; Haemerythrin.
DR   InterPro; IPR016131; Haemerythrin_Fe_BS.
DR   InterPro; IPR012312; Hemerythrin-like.
DR   InterPro; IPR035938; Hemerythrin-like_sf.
DR   InterPro; IPR012827; Hemerythrin_metal-bd.
DR   Pfam; PF01814; Hemerythrin; 1.
DR   PIRSF; PIRSF002033; Hemerythrin; 1.
DR   PRINTS; PR00186; HEMERYTHRIN.
DR   SUPFAM; SSF47188; SSF47188; 1.
DR   TIGRFAMs; TIGR02481; hemeryth_dom; 1.
DR   TIGRFAMs; TIGR00058; Hemerythrin; 1.
DR   PROSITE; PS00550; HEMERYTHRINS; 1.
PE   3: Inferred from homology;
KW   Iron; Metal-binding; Oxygen transport; Transport.
FT   CHAIN           1..119
FT                   /note="Hemerythrin"
FT                   /id="PRO_0000343446"
FT   BINDING         26
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         55
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         59
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         59
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         74
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         78
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         107
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         112
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
FT   BINDING         112
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P02244"
SQ   SEQUENCE   119 AA;  13690 MW;  8150C81CF932C538 CRC64;
     MGFDIPEPFK WDASFEVFYK KLDDEHKAIF DSIFAVCNGN NADNLKKMVD VTANHFSDEE
     GMMKSANYAD FDSHKKKHED FLVVIRGLSA PVGDDKLHYA KDWLVNHIKG IDFQYKGKL