ID   HBAB_SERQU              Reviewed;         144 AA.
AC   Q9PVM3;
DT   01-JUN-2001, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=Hemoglobin subunit alpha-B;
DE   AltName: Full=Alpha-B-globin;
DE   AltName: Full=Hemoglobin alpha-B chain;
GN   Name=hbab;
OS   Seriola quinqueradiata (Five-ray yellowtail).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC   Carangaria; Carangiformes; Carangidae; Seriola.
OX   NCBI_TaxID=8161;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Kidney;
RA   Sakai M., Okamoto K.;
RT   "Yellowtail's mRNA for hemoglobin alpha chain B.";
RL   Submitted (NOV-1999) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Involved in oxygen transport from gills 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   EMBL; AB034640; BAA86219.1; -; mRNA.
DR   AlphaFoldDB; Q9PVM3; -.
DR   SMR; Q9PVM3; -.
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; cd08927; Hb-alpha-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; IPR002338; Hemoglobin_a-typ.
DR   Pfam; PF00042; Globin; 1.
DR   PRINTS; PR00612; ALPHAHAEM.
DR   SUPFAM; SSF46458; SSF46458; 1.
DR   PROSITE; PS01033; GLOBIN; 1.
PE   2: Evidence at transcript level;
KW   Heme; Iron; Metal-binding; Oxygen transport; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..144
FT                   /note="Hemoglobin subunit alpha-B"
FT                   /id="PRO_0000052762"
FT   BINDING         61
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         90
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   144 AA;  15948 MW;  0D827E0EA40ECB30 CRC64;
     MSLSAKDKTT VKKFWDKVEG KSAEIGGEAL GRMLVAYPQT KAYFSHWGSD LNPQHPMVKK
     HGAIIMGGIG KAVKNIDDLV RGLSALSELH AFKLRVDPAN FKILAHNVIL VAAMYFPADF
     TPEVHVSVDK FLQRVALALA ERYR