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The human protein acid transporter (hPAT1) is 5585 base pairs long and codes for a protein 476 amino acids long. The transporter has nine transmembrane regions where the amino terminus faces the cytoplasm. The rat protein acid transporter (rPAT1) has been widely studied and an 85% amino acid sequence match was found between hPAT1 and rPAT1.
Kojic acid is an organic compound with the formula HOCH 2 C 5 H 2 O 2 OH. It is a derivative of 4-pyrone that functions in nature as a chelation agent produced by several species of fungi, especially Aspergillus oryzae , which has the Japanese common name koji .
There are several families that function in amino acid transport, some of these include: TC# 2.A.3 - Amino Acid-Polyamine-Organocation (APC) Superfamily; TC# 2.A.18 - Amino Acid/Auxin Permease (AAAP) Family; TC# 2.A.23 - Dicarboxylate/Amino Acid:Cation (Na + or H +) Symporter (DAACS) Family; TC# 2.A.26 - Branched Chain Amino Acid:Cation ...
Intracellular transport is the movement of vesicles and substances within a cell. Intracellular transport is required for maintaining homeostasis within the cell by responding to physiological signals. [1] Proteins synthesized in the cytosol are distributed to their respective organelles, according to their specific amino acid’s sorting ...
Heterodimeric amino-acid transporters are a family of transport proteins that facilitate the transport of certain amino acids across cell membranes. [1] Each comprises a light and a heavy protein subunit. Transport activity happens in the light. The following table lists the members of this family:
Numerous exported proteins form disulfide bonds—covalent bonds that stabilize the protein structure in harsh extracellular environments. A classic example are the disulfide-linked heavy and light chain polypeptides of antibodies secreted by B-cells of the immune system .
Protein anabolism is the process by which proteins are formed from amino acids. It relies on five processes: amino acid synthesis, transcription , translation , post translational modifications , and protein folding .
Like all proteins, the unique amino acid arrangement in the primary sequence of GLUT4 is what allows it to transport glucose across the plasma membrane. In addition to the phenylalanine on the N-terminus, two Leucine residues and acidic motifs on the COOH-terminus are believed to play a key role in the kinetics of endocytosis and exocytosis .