ID   HBB_SPAEH               Reviewed;         146 AA.
AC   P02090;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Hemoglobin subunit beta;
DE   AltName: Full=Beta-globin;
DE   AltName: Full=Hemoglobin beta chain;
GN   Name=HBB;
OS   Spalax ehrenbergi (Middle East blind mole rat) (Nannospalax ehrenbergi).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea;
OC   Spalacidae; Spalacinae; Nannospalax.
OX   NCBI_TaxID=30637;
RN   [1]
RP   PROTEIN SEQUENCE (KARYOTYPE 2N=60).
RX   PubMed=6469215; DOI=10.1515/bchm2.1984.365.1.531;
RA   Kleinschmidt T., Nevo E., Braunitzer G.;
RT   "The primary structure of the hemoglobin of the mole rat (Spalax
RT   ehrenbergi, rodentia, chromosome species 60).";
RL   Hoppe-Seyler's Z. Physiol. Chem. 365:531-537(1984).
RN   [2]
RP   PROTEIN SEQUENCE (KARYOTYPE 2N=52).
RX   PubMed=4041241; DOI=10.1515/bchm3.1985.366.2.679;
RA   Kleinschmidt T., Nevo E., Goodman M., Braunitzer G.;
RT   "Mole rat hemoglobin: primary structure and evolutionary aspects in a
RT   second karyotype of Spalax ehrenbergi, Rodentia, (2n = 52).";
RL   Biol. Chem. Hoppe-Seyler 366:679-685(1985).
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; A02406; HBOL.
DR   AlphaFoldDB; P02090; -.
DR   SMR; P02090; -.
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   Acetylation; Direct protein sequencing; Heme; Iron; Metal-binding;
KW   Oxygen transport; Phosphoprotein; S-nitrosylation; Transport.
FT   CHAIN           1..146
FT                   /note="Hemoglobin subunit beta"
FT                   /id="PRO_0000053110"
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"
FT   MOD_RES         1
FT                   /note="N-acetylvaline"
FT                   /evidence="ECO:0000250|UniProtKB:P02086"
FT   MOD_RES         44
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:P68871"
FT   MOD_RES         59
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000250|UniProtKB:P68871"
FT   MOD_RES         82
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000250|UniProtKB:P68871"
FT   MOD_RES         93
FT                   /note="S-nitrosocysteine"
FT                   /evidence="ECO:0000250|UniProtKB:P68871"
FT   MOD_RES         144
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000250|UniProtKB:P68871"
SQ   SEQUENCE   146 AA;  15784 MW;  EDE5043E5275154A CRC64;
     VHLTDAEKAA VSGLWSKVNV DEIGGEALGR LLVVYPWTQR FFDSFGDLSS PSAVMSNPKV
     KAHGKKVLNS FSEGLKHLDN LKGTFSSLSE LHCDKLHVDP ENFKLLGNVI VVVLAHHLGK
     DFTPAAQAAF QKVVAGVATA LAHKYH