HBB2_XENBO
ID HBB2_XENBO Reviewed; 146 AA.
AC P07433;
DT 01-APR-1988, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 03-AUG-2022, entry version 96.
DE RecName: Full=Hemoglobin subunit beta-2;
DE AltName: Full=Beta-2-globin;
DE AltName: Full=Hemoglobin beta-2 chain;
DE AltName: Full=Hemoglobin beta-minor chain;
GN Name=hbb2;
OS Xenopus borealis (Kenyan clawed frog).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Amphibia;
OC Batrachia; Anura; Pipoidea; Pipidae; Xenopodinae; Xenopus; Xenopus.
OX NCBI_TaxID=8354;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RX PubMed=3100812; DOI=10.1007/bf02115578;
RA Knoechel W., Korge E., Basner A., Meyerhof W.;
RT "Globin evolution in the genus Xenopus: comparative analysis of cDNAs
RT coding for adult globin polypeptides of Xenopus borealis and Xenopus
RT tropicalis.";
RL J. Mol. Evol. 23:211-223(1986).
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 EMBL; M32458; AAA49661.1; -; mRNA.
DR PIR; F25929; F25929.
DR AlphaFoldDB; P07433; -.
DR SMR; P07433; -.
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 2: Evidence at transcript level;
KW Heme; Iron; Metal-binding; Oxygen transport; Transport.
FT INIT_MET 1
FT /note="Removed"
FT CHAIN 2..146
FT /note="Hemoglobin subunit beta-2"
FT /id="PRO_0000053154"
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; 16119 MW; BBBAEA1436C397D9 CRC64;
MGLTAHEKQL ITGSWGKINA KAIGKEALGR LLNTFPWTQR YFSSFGNLGS AEAIFHNEAV
AAHGEKVVTS VGEAIKHMDD IKGYYAELSK YHSETLHVDP NNFKRFGGCL SITLGHHFGE
EYTPELHAAY EHLFDAIADA LGKGYH