ID   MYG_ALLMI               Reviewed;         154 AA.
AC   P02200;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=Myoglobin;
GN   Name=MB;
OS   Alligator mississippiensis (American alligator).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Crocodylia; Alligatoridae; Alligatorinae;
OC   Alligator.
OX   NCBI_TaxID=8496;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=6774758; DOI=10.1016/0005-2795(80)90081-1;
RA   Dene H., Sazy J., Goodman M., Romero-Herrera A.E.;
RT   "The amino acid sequence of alligator (Alligator mississippiensis)
RT   myoglobin. Phylogenetic implications.";
RL   Biochim. Biophys. Acta 624:397-408(1980).
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   PIR; A02521; MYAQ.
DR   AlphaFoldDB; P02200; -.
DR   SMR; P02200; -.
DR   STRING; 8496.XP_006258601.1; -.
DR   eggNOG; KOG3378; Eukaryota.
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   Direct protein sequencing; Heme; Iron; Metal-binding; Muscle protein;
KW   Oxygen transport; Transport.
FT   CHAIN           1..154
FT                   /note="Myoglobin"
FT                   /id="PRO_0000053379"
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"
SQ   SEQUENCE   154 AA;  17874 MW;  782E2BC23CEC3C29 CRC64;
     MELSDQEWKH VLDIWTKVES KLPEHGHEVI IRLLQEHPET QERFEKFKHM KTADEMKSSE
     KMKQHGNTVF TALGNILKQK GNHAEVLKPL AKSHALEHKI PVKYLEFISE IIVKVIAEKY
     PADFGADSQA AMRKALELFR NDMASKYKEF GYQG