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Platelet Microtubule Subunit Proteins [PDF]

open access: possibleThrombosis and Haemostasis, 1979
SummaryBlood platelets contain microtubule proteins (tubulin and HMWs) which can be polymerised “in vitro” to form structures which resemble the microtubules seen in the intact platelet. Platelet tubulin is composed of two non-identical subunits a and p tubulin which have molecular weights around 55,000 but can be resolved in alkaline SDS ...
Neville Crawford, Alan G. Castle
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The Rubisco subunit binding protein

Photosynthesis Research, 1988
Chloroplasts contain an abundant soluble protein that binds non-covalently newly synthesized large and small subunits of the enzyme ribulose bisphosphate carboxylase-oxygenase. This binding protein has been purified from Pisum sativum and Hordeum vulgare in the form of a dodecamer consisting of equal amounts of two types of subunit.
R. John Ellis, Saskia M. van der Vies
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Subunit Composition of Lipoprotein(a) Protein

Biochemistry, 1994
We determined the molecular weight of four different apo(a) polymorphs by sedimentation equilibrium in 6 M guanidine hydrochloride in order to estimate the molar ratio of apo(a) to apoB in Lp(a). They had molecular weights of 289,000, 310,000, 341,000, and 488,000 and 15, 16, 18, and 27 kringle 4 domains, respectively.
Maria-Teresa Garcia-Hedo   +4 more
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Foldable subunits of helix protein

Computational Biology and Chemistry, 2009
Detection of foldable subunits in proteins is an important approach to understand their evolutions and find building motifs for de novo protein design. Using united-residue model, we simulated the folding of a six-helix protein with a length of 120 amino acids (C-terminal domain of Ku86).
Yi He, Yanzhao Huang, Yi Xiao, Rui Zhou
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G PROTEIN βγ SUBUNITS

Annual Review of Pharmacology and Toxicology, 1997
▪ Abstract  Guanine nucleotide binding (G) proteins relay extracellular signals encoded in light, small molecules, peptides, and proteins to activate or inhibit intracellular enzymes and ion channels. The larger G proteins, made up of Gαβγ heterotrimers, dissociate into Gα and Gβγ subunits that separately activate intracellular effector molecules ...
Eva J. Neer, David E. Clapham
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Protein–protein interactions of a Kvβ subunit in the cochlea

Journal of Neuroscience Research, 2005
AbstractAccessory subunits associated with voltage‐gated potassium (Kv) channels can influence the biophysical properties and promote the surface expression of channel‐forming α‐subunits. Previously, we cloned several α‐subunits and a β‐subunit from a cDNA library of the chicken cochlea.
Margaret Harvey   +3 more
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Matrix-bound protein subunits

Biochemical and Biophysical Research Communications, 1970
Abstract A method is described for studying spatially isolated subunits by attaching them covalently to a rigid matrix and thus preventing them from re-association. Application of this method to rabbit muscle aldolase indicates that the subunits are capable of enzyme activity.
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