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heat-shock protein

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acclimation

Overview page. Subjects: Biological Sciences.

A response by an animal that enables it to tolerate a change in a single factor (e.g. temperature) in its environment. The term is applied most commonly to animals used in laboratory...

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alpha-helical channels

Overview page. Subjects: Chemistry.

A subclass of transport proteins of the TC system, designated 1.A. It contains nearly 40 families, including voltage‐gated ion channels, ATP‐gated cation channels, aquaporins, ligand‐gated...

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BiP

Overview page. Subjects: Chemistry.

abbr. for binding protein.

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chaperones

Overview page. Subjects: Genetics and Genomics — Medicine and Health.

Eukaryotic proteins that help some nascent polypeptide chains fold correctly into their tertiary shapes, stabilizing and protecting them in the process, and/or preventing them from making...

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chaperonin

Overview page. Subjects: Chemistry.

Any of a ubiquitous subclass of molecular chaperones implicated in the folding of other proteins. They include two kinds of protein: (1) chaperonin 60 kDa (also called chaperonin‐60 or cpn...

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Clp protease

Overview page. Subjects: Chemistry.

or

a proteinase/ATPase from Escherichia coli with little protein specificity (EC 3.4.21.‐). It is a heat‐shock protein but supposedly a housekeeping...

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cold-shock protein

Overview page. Subjects: Chemistry.

Any of various proteins, synthesized by microorganisms in response to a sudden drop in temperature. These are typically DNA‐binding transcription activators, many of which have a...

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DnaK

Overview page. Subjects: Chemistry.

or

abbr.: hsp70; a heat‐shock protein that plays an essential role in the initiation of DNA replication in lambda phage, and, in combination...

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endoplasmin

Overview page. Subjects: Medicine and Health.

The primary chaperone of the endoplasmic reticulum, the most abundant protein in microsomal preparations from mammalian cells, and one of the hsp90 family of heat shock proteins. A...

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heat shock factors

Overview page. Subjects: Medicine and Health.

A family of DNA-binding proteins (HSP1, 529 aa; HSP2, 536 aa, and others) that bind heat shock promoter elements (HSE) and activate transcription. In nonstress conditions are bound by heat...

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HSR

Overview page. Subjects: Medicine and Health.

1. Hypersensitivity reaction.

2. Heat shock response (see heat shock proteins).

3. Homogeneously staining region (of a chromosome).

null...

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molecular chaperone

Overview page. Subjects: Biological Sciences.

Any of a group of proteins in living cells that assist newly synthesized or denatured proteins to fold into their functional three-dimensional structures. The chaperones bind to the protein...

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mortalin

Overview page. Subjects: Chemistry — Medicine and Health.

One of the HSP70 family of proteins (75-kD glucose regulated protein, GRP75). Mortal fibroblasts (i.e. those with a finite division potential) have MOT-1 (679 aa) uniformly distributed in...

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p23

Overview page. Subjects: Medicine and Health.

1. One of the p24 family (Tmp21, p24δ, 219 aa) of transmembrane proteins that are involved in vesicular trafficking between the Golgi complex and the endoplasmic reticulum; the...

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p47

Overview page. Subjects: Medicine and Health.

1. A family of GTPases (p47 GTPases, immunity-related GTPases (IRG) family) that are important interferon-inducible resistance factors in mice although possibly less important...

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radicicol

Overview page. Subjects: Medicine and Health.

An antifungal compound that inhibits src kinase and competes with geldanamycin for a binding site on Hsp90 and inhibits its ATPase activity. It has antiangiogenic activity.

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RER

Overview page. Subjects: Chemistry — Medicine and Health.

Rough endoplasmic reticulum. (q.v.).

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stress-induced proteins

Overview page. Subjects: Medicine and Health.

A better name for heat shock proteins, a group of proteins that are produced as a response to heat and other stresses.

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TCP-1

Overview page. Subjects: Medicine and Health — Chemistry.

A chaperonin complex (T-complex polypeptide 1, chaperonin containing T-complex, CCT) consisting of eight related ~60-kDa proteins arranged into two stacked multimeric rings, with a central...

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ubiquitin

Overview page. Subjects: Biological Sciences.

A small protein (consisting of 76 amino acid residues), found universally in eukaryotes, that tags proteins destined for degradation by proteasomes or alters the protein's function,...

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