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الفصل 3
ما هي البروتينات؟
Proteins are chains of amino acids that are connected by peptide bonds and folded into a 3-dimensional structure. The side chains of individual…
بنية البروتين
Proteins are one of the fundamental building blocks of life that carry out many diverse functions in the cell. Proteins are assembled from amino…
تطوّي البروتين
Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation which is…
عائلات البروتين
Protein families are groups of homologous proteins; that is, they have similarities in amino acid sequences and three-dimensional structures. Protein…
الحفاظ على نطاق البروتين عن بقية البروتينات المختلفة
Protein domains are small structurally independent units that are part of a single amino acid chain.  Although these domains are often…
البروتينات الكروية والليفية
Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities. Globular…
البروتينات المضطربة جوهريا او البروتينات الغير منظمة التركيب
Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility…
تجميع مركب البروتين
Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein…
البروتينات المترافقة
Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with…
الياف اميلويد
Amyloid fibrils are aggregates of misfolded proteins.  Under most circumstances, misfolded proteins are either refolded by chaperone proteins or…
هيكل الجسم المضاد
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by…
وضع العلامات والتصوير من لويحات اميلويد في انسجه المخ باستخدام الكركمين البوليفينول الطبيعية
Deposition of amyloid beta protein (Aβ) in extra- and intracellular spaces is one of the hallmark pathologies of Alzheimer's disease (AD).…
النووي التحليل الطيفي بالرنين المغناطيسي لتحديد Phosphorylations متعددة من جوهريا المختلين البروتينات
Aggregates of the neuronal Tau protein are found inside neurons of Alzheimer's disease patients. Development of the disease is accompanied by…

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