ID   MYG_THUOB               Reviewed;         147 AA.
AC   Q76G09;
DT   25-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 62.
DE   RecName: Full=Myoglobin;
GN   Name=mb;
OS   Thunnus obesus (Bigeye tuna).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC   Pelagiaria; Scombriformes; Scombridae; Thunnus.
OX   NCBI_TaxID=8241;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RA   Ueki N., Ochiai Y., Watabe S.;
RT   "Relationship between the primary structure and thermostability of tuna
RT   myoglobins.";
RL   Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Serves as a reserve supply of oxygen and facilitates the
CC       movement of oxygen within muscles.
CC   -!- SIMILARITY: Belongs to the globin family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00238}.
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DR   EMBL; AB104433; BAC82200.1; -; mRNA.
DR   AlphaFoldDB; Q76G09; -.
DR   SMR; Q76G09; -.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0019825; F:oxygen binding; IEA:InterPro.
DR   GO; GO:0005344; F:oxygen carrier activity; IEA:UniProtKB-KW.
DR   InterPro; IPR000971; Globin.
DR   InterPro; IPR009050; Globin-like_sf.
DR   InterPro; IPR002335; Myoglobin.
DR   PANTHER; PTHR47132; PTHR47132; 1.
DR   Pfam; PF00042; Globin; 1.
DR   PRINTS; PR00613; MYOGLOBIN.
DR   SUPFAM; SSF46458; SSF46458; 1.
DR   PROSITE; PS01033; GLOBIN; 1.
PE   2: Evidence at transcript level;
KW   Heme; Iron; Metal-binding; Muscle protein; Oxygen transport; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..147
FT                   /note="Myoglobin"
FT                   /id="PRO_0000053376"
FT   BINDING         60
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="distal binding residue"
FT   BINDING         89
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="proximal binding residue"
SQ   SEQUENCE   147 AA;  15628 MW;  B0439FAB1B85609A CRC64;
     MADFDAVLKC WGPVEADYTT IGGLVLTRLF KEHPETQKLF PKFAGIAQAD IAGNAAVSAH
     GATVLKKLGE LLKAKGSHAA ILKPLANSHA TKHKIPINNF KLISEVLVKV MHEKAGLDAG
     GQTALRNVMG IIIADLEANY KELGFSG