ID   GLBP3_GLYDI             Reviewed;         147 AA.
AC   P21660;
DT   01-MAY-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1991, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=Globin, polymeric component P3;
OS   Glycera dibranchiata (Bloodworm).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Annelida; Polychaeta;
OC   Errantia; Phyllodocida; Glyceridae; Glycera.
OX   NCBI_TaxID=6350;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], AND PARTIAL PROTEIN SEQUENCE.
RX   PubMed=2254336; DOI=10.1016/s0021-9258(18)45816-4;
RA   Zafar R.S., Chow L.H., Stern M.S., Scully J.S., Sharma P.R.,
RA   Vinogradov S.N., Walz D.A.;
RT   "The cDNA sequences encoding two components of the polymeric fraction of
RT   the intracellular hemoglobin of Glycera dibranchiata.";
RL   J. Biol. Chem. 265:21843-21851(1990).
CC   -!- SUBUNIT: Polymer.
CC   -!- MISCELLANEOUS: This protein is one of at least six components in the
CC       polymeric fraction of Glycera hemoglobin.
CC   -!- SIMILARITY: Belongs to the globin family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00238}.
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DR   EMBL; M55444; AAA29161.1; -; mRNA.
DR   PIR; B36529; B36529.
DR   AlphaFoldDB; P21660; -.
DR   SMR; P21660; -.
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   CDD; cd01040; Mb-like; 1.
DR   Gene3D; 1.10.490.10; -; 1.
DR   InterPro; IPR000971; Globin.
DR   InterPro; IPR009050; Globin-like_sf.
DR   InterPro; IPR012292; Globin/Proto.
DR   InterPro; IPR044399; Mb-like_M.
DR   Pfam; PF00042; Globin; 1.
DR   SUPFAM; SSF46458; SSF46458; 1.
DR   PROSITE; PS01033; GLOBIN; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Heme; Iron; Metal-binding; Oxygen transport;
KW   Transport.
FT   CHAIN           1..147
FT                   /note="Globin, polymeric component P3"
FT                   /id="PRO_0000052505"
FT   BINDING         96
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                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00238"
SQ   SEQUENCE   147 AA;  15977 MW;  DD3D2C176047BCDB CRC64;
     MHLTADQVAA LKASWPEVSA GDGGAQLGLE MFTRYFDENP QMMFVFGYSG RTSALKHNSK
     LQNHGKIIVH QIGQAVSELD DGSKFEATLH KLGQEHKGFG DIKGEYFPAL GDALLEAMNS
     KVHGLDRTLW AAGYRVISDA LIAGLES