ID   MYG_GRAGE               Reviewed;         154 AA.
AC   P02201;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=Myoglobin;
GN   Name=MB;
OS   Graptemys geographica (Common map turtle) (Testudo geographica).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Testudinata; Testudines; Cryptodira; Durocryptodira;
OC   Testudinoidea; Emydidae; Graptemys.
OX   NCBI_TaxID=8481;
RN   [1]
RP   PROTEIN SEQUENCE OF 2-154.
RX   PubMed=6783658; DOI=10.1016/s0021-9258(19)69433-0;
RA   Maeda N., Fitch W.M.;
RT   "Amino acid sequence of a myoglobin isolated from map turtle, Graptemys
RT   geographica.";
RL   J. Biol. Chem. 256:4293-4300(1981).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   PIR; A02522; MYTTM.
DR   AlphaFoldDB; P02201; -.
DR   SMR; P02201; -.
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   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:6783658"
FT   CHAIN           2..154
FT                   /note="Myoglobin"
FT                   /id="PRO_0000053382"
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;  17626 MW;  D1AB3D0F6E997B74 CRC64;
     MGLSDDEWHH VLGIWAKVEP DLSAHGQEVI IRLFQVHPET QERFAKFKNL KTIDELRSSE
     EVKKHGTTVL TALGRILKLK NNHEPELKPL AESHATKHKI PVKYLEFICE IIVKVIAEKH
     PSDFGADSQA AMRKALELFR NDMASKYKEF GFQG