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Schematic representation of transmembrane proteins: 1) a single-pass membrane protein 2) a multipass membrane protein (α-helix) 3) a multipass membrane protein β-sheet. The membrane is represented in light yellow. A transmembrane protein is a type of integral membrane protein that spans the entirety of the cell membrane.
The database provides information about the individual proteins including computationally generated three-dimensional models of their transmembrane alpha-helices spatially arranged in the membrane, topology, intracellular localizations, amino acid sequences, domain architecture, functional annotation and available experimental structures from ...
Transmembrane protein 145 isoform 1 is rich in phenylalanine and tyrosine. [23] The subcellular localization of the human TMEM145 protein is the plasma membrane and cytoskeleton . [ 8 ] This protein has a signal peptide from amino acid 1-29 and a cleavage site between amino acid 29 and 30. [ 24 ]
Protein Data Bank of Transmembrane Proteins - 3D models of transmembrane proteins approximately arranged in the lipid bilayer. TransportDB - Genomics-oriented database of transporters from TIGR Membrane PDB Archived 2020-08-03 at the Wayback Machine - Database of 3D structures of integral membrane proteins and hydrophobic peptides with an ...
TMEM128, also known as Transmembrane Protein 128, is a protein that in humans is encoded by the TMEM128 gene. TMEM128 has three variants, varying in 5' UTR 's and start codon location. [ 5 ] TMEM128 contains four transmembrane domains and is localized in the Endoplasmic Reticulum membrane.
The largest and most common human TMEM33 protein is 247 amino acid long protein with 3 transmembrane domains. [11] The only known TMEM33 ortholog with four transmembrane domains is Tts1 in Schizosaccharomyces pombe. [12] The human protein has a predicted molecular weight of 28 kDa [13] and an isoelectric point of 9.88. [14]
Although several protein families have four transmembrane alpha-helices, tetraspanins are defined by conserved amino acid sequences including four or more cysteine residues in the EC2 domain, with two in a highly conserved 'CCG' motif. Tetraspanins are often thought to act as scaffolding proteins, anchoring multiple proteins to one area of the ...
There exist two isoforms of human Transmembrane Protein 144. [3] Isoform one consist of 345 amino acids with a total mass of 37.6 kDa. [1] [4] This isoform has a theoretical isoelectric point of 6.63. [5] The second isoform is 169 amino acids long with a mass of 18.3 kDa. [3] Predicted tertiary structure of human transmembrane protein 144.