ID   HBB_RHEAM               Reviewed;         146 AA.
AC   P02124;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Hemoglobin subunit beta;
DE   AltName: Full=Beta-globin;
DE   AltName: Full=Hemoglobin beta chain;
GN   Name=HBB;
OS   Rhea americana (Greater rhea) (Common rhea).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Palaeognathae; Rheiformes; Rheidae; Rhea.
OX   NCBI_TaxID=8797;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=6840701;
RA   Oberthur W., Braunitzer G., Baumann R., Wright P.G.;
RT   "Primary structures of the alpha and beta chains from the major hemoglobin
RT   component of the ostrich (Struthio camelus) and American rhea (Rhea
RT   americana) (Struthioformes). Aspects of respiratory physiology and
RT   taxonomy.";
RL   Hoppe-Seyler's Z. Physiol. Chem. 364:119-134(1983).
CC   -!- FUNCTION: Involved in oxygen transport from the lung to the various
CC       peripheral tissues.
CC   -!- SUBUNIT: Heterotetramer of two alpha chains and two beta chains.
CC   -!- TISSUE SPECIFICITY: Red blood cells.
CC   -!- SIMILARITY: Belongs to the globin family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00238}.
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DR   PIR; A02444; HBEH.
DR   AlphaFoldDB; P02124; -.
DR   SMR; P02124; -.
DR   GO; GO:0005833; C:hemoglobin complex; IEA:InterPro.
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; cd08925; Hb-beta-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; IPR002337; Hemoglobin_b.
DR   Pfam; PF00042; Globin; 1.
DR   PRINTS; PR00814; BETAHAEM.
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..146
FT                   /note="Hemoglobin subunit beta"
FT                   /id="PRO_0000053092"
FT   BINDING         63
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         92
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   146 AA;  16280 MW;  3774070D7DC0CA56 CRC64;
     VQWTAEEKQL ITGLWGKVNV ADCGAEALAR LLIVYPWTQR FFASFGNLSS PTAILGNPMV
     RAHGKKVLTS FGDAVKNLDN IKNTFAQLSE LHCDKLHVDP ENFRLLGDIL IIVLAAHFAK
     DFTPECQAAW QKLVRVVAHA LARKYH