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3039 15122 Ensembl ENSG00000206172 ENSMUSG00000069919 UniProt P69905 Q91VB8 RefSeq (mRNA) NM_000558 NM_008218 RefSeq (protein) NP_000508 NP_000508.1 NP_000549.1 NP_001077424 Location (UCSC) Chr 16: 0.18 – 0.18 Mb Chr 11: 32.23 – 32.23 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Hemoglobin subunit alpha, Hemoglobin, alpha 1, is a hemoglobin protein that in humans is encoded by ...
A variant hemoglobin, called fetal hemoglobin (HbF, α 2 γ 2), is found in the developing fetus, and binds oxygen with greater affinity than adult hemoglobin. This means that the oxygen binding curve for fetal hemoglobin is left-shifted (i.e., a higher percentage of hemoglobin has oxygen bound to it at lower oxygen tension), in comparison to ...
Hemoglobin A (HbA), also known as adult hemoglobin, hemoglobin A1 or α 2 β 2, is the most common human hemoglobin tetramer, accounting for over 97% of the total red blood cell hemoglobin. [1] Hemoglobin is an oxygen-binding protein, found in erythrocytes , which transports oxygen from the lungs to the tissues. [ 2 ]
normal range 2-62 × 10 −9: chronic poisoning ... Hemoglobin metabolite ... Maintain calcium and phosphorus levels
This 'globin fold' typically consists of eight alpha helices, although some proteins have additional helix extensions at their termini. [4] Since the globin fold contains only helices, it is classified as an all-alpha protein fold. The globin fold is found in its namesake globin families as well as in phycocyanins. The globin fold was thus the ...
1998 – DNA topoisomerases perform the biologically important and necessary job of untangling DNA strands or helices that get entwined with each other or twisted too tightly during normal cellular processes such as the transcription of genetic information. 1998 – Tubulin alpha/beta dimer; 1998 – Potassium channel; 1998 – Holliday junction
In humans, 27% of all proteins have been estimated to be alpha-helical membrane proteins. [6] Beta-barrel proteins are so far found only in outer membranes of gram-negative bacteria, cell walls of gram-positive bacteria, outer membranes of mitochondria and chloroplasts, or can be secreted as pore-forming toxins. All beta-barrel transmembrane ...
The structure of calcium pumps found in the sarcoplasmic reticulum of skeletal muscle was elucidated in 2000 by Toyoshima, et al. using microscopy of tubular crystals and 3D microcrystals. The pump has a molecular mass of 110,000 amu , shows three well separated cytoplasmic domains , with a transmembrane domain consisting of ten alpha helices ...