ID   MYG_MUSAN               Reviewed;         149 AA.
AC   P14399;
DT   01-JAN-1990, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   25-MAY-2022, entry version 83.
DE   RecName: Full=Myoglobin;
GN   Name=mb;
OS   Mustelus antarcticus (Gummy shark).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Chondrichthyes;
OC   Elasmobranchii; Galeomorphii; Galeoidea; Carcharhiniformes; Triakidae;
OC   Mustelus.
OX   NCBI_TaxID=7813;
RN   [1]
RP   PROTEIN SEQUENCE OF 2-149, AND ACETYLATION AT VAL-2.
RX   PubMed=7436864; DOI=10.1071/bi9800153;
RA   Fisher W.K., Koureas D.D., Thompson E.O.P.;
RT   "Myoglobins of cartilaginous fishes. II. Isolation and amino acid sequence
RT   of myoglobin of the shark Mustelus antarcticus.";
RL   Aust. J. Biol. Sci. 33:153-167(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   AlphaFoldDB; P14399; -.
DR   SMR; P14399; -.
DR   iPTMnet; P14399; -.
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   Acetylation; Direct protein sequencing; Heme; Iron; Metal-binding;
KW   Muscle protein; Oxygen transport; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:7436864"
FT   CHAIN           2..149
FT                   /note="Myoglobin"
FT                   /id="PRO_0000053368"
FT   MOD_RES         2
FT                   /note="N-acetylvaline"
FT                   /evidence="ECO:0000269|PubMed:7436864"
FT   VARIANT         126
FT                   /note="A -> G"
SQ   SEQUENCE   149 AA;  16511 MW;  10748B041F66CFC1 CRC64;
     MVDWEKVNSV WSAVESDLTA IGQNILLRLF EQYPESQNHF PKFKNKSLGE LKDTADIKAQ
     ADTVLSALGN IVKKKGSHSQ PVKALAATHI TTHKIPPHYF TKITTIAVDV LSEMYPSEMN
     AQVQAAFSGA FKIICSDIEK EYKAANFQG