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When Pauling and Corey first proposed the alpha sheet, they suggested that it agreed well with fiber diffraction results from beta-keratin fibers. [2] However, since the alpha sheet did not appear to be energetically favorable, they argued that beta sheets would occur more commonly among normal proteins, [3] and subsequent demonstration that beta-keratin is made of beta sheets consigned the ...
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 ]
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 ...
Collagen alpha-1(IV) chain (COL4A1) is a protein that in humans is encoded by the COL4A1 gene on chromosome 13. [ 5 ] [ 6 ] It is ubiquitously expressed in many tissues and cell types. [ 7 ] COL4A1 is a subunit of the type IV collagen and plays a role in angiogenesis . [ 8 ]
This is a list of genes, proteins or receptors named A1 or Alpha-1 : . Actin, alpha 1; Actinin, alpha 1; Adaptor-related protein complex 2, alpha 1; Aldehyde dehydrogenase 3 family, member A1
The Ig alpha-1 chain C region is contained on the first of the constant regions of IgA, and is composed of an amino acid sequence 353 residues long. [10] The secondary structure contained within this region is dominated by beta strands , which define four antiparallel beta sheets .
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Integrin alpha-1 also CD49a is an integrin alpha subunit encoded in humans by the gene ITGA1. It makes up half of the α1β1 integrin duplex. It makes up half of the α1β1 integrin duplex. Though CD49a can bind a number of ligands including collagen IV, collagen I, and others.