ID   MYG_HALGR               Reviewed;         154 AA.
AC   P68081; P02162;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=Myoglobin;
GN   Name=MB;
OS   Halichoerus grypus (Gray seal) (Phoca grypus).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Carnivora; Caniformia; Phocidae; Halichoerus.
OX   NCBI_TaxID=9711;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=6828156; DOI=10.1038/301732a0;
RA   Blanchetot A., Wilson V., Wood D., Jeffreys A.J.;
RT   "The seal myoglobin gene: an unusually long globin gene.";
RL   Nature 301:732-734(1983).
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; V00471; CAA23743.1; -; Genomic_DNA.
DR   EMBL; V00472; CAA23743.1; JOINED; Genomic_DNA.
DR   EMBL; V00473; CAA23743.1; JOINED; Genomic_DNA.
DR   PIR; A93295; MYSLG.
DR   PDB; 1MBS; X-ray; 2.50 A; A=2-154.
DR   PDBsum; 1MBS; -.
DR   AlphaFoldDB; P68081; -.
DR   SMR; P68081; -.
DR   EvolutionaryTrace; P68081; -.
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   1: Evidence at protein level;
KW   3D-structure; Heme; Iron; Metal-binding; Muscle protein; Oxygen transport;
KW   Phosphoprotein; Transport.
FT   CHAIN           1..154
FT                   /note="Myoglobin"
FT                   /id="PRO_0000053300"
FT   BINDING         65
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         94
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"
FT   MOD_RES         4
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q9QZ76"
FT   MOD_RES         68
FT                   /note="Phosphothreonine"
FT                   /evidence="ECO:0000250|UniProtKB:P04247"
SQ   SEQUENCE   154 AA;  17428 MW;  4A653EED8CF0E9FD CRC64;
     MGLSDGEWHL VLNVWGKVET DLAGHGQEVL IRLFKSHPET LEKFDKFKHL KSEDDMRRSE
     DLRKHGNTVL TALGGILKKK GHHEAELKPL AQSHATKHKI PIKYLEFISE AIIHVLHSKH
     PAEFGADAQA AMKKALELFR NDIAAKYKEL GFHG