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Description: Crystallins are separated into two classes: taxon-specific, or enzyme, and ubiquitous. The latter class constitutes the major proteins of vertebrate eye lens and maintains the transparency and refractive index of the lens. Since lens central fiber cells lose their nuclei during development, these crystallins are made and then retained throughout life, making them extremely stable proteins. Mammalian lens crystallins are divided into alpha, beta, and gamma families; beta and gamma crystallins are also considered as a superfamily. Alpha and beta families are further divided into acidic and basic groups. Seven protein regions exist in crystallins: four homologous motifs, a connecting peptide, and N- and C-terminal extensions. Alpha crystallins are composed of two gene products: alpha-A and alpha-B, for acidic and basic, respectively. Alpha crystallins can be induced by heat shock and are members of the small heat shock protein (sHSP also known as the HSP20) family. They act as molecular chaperones although they do not renature proteins and release them in the fashion of a true chaperone; instead they hold them in large soluble aggregates. Post-translational modifications decrease the ability to chaperone. These heterogeneous aggregates consist of 30-40 subunits; the alpha-A and alpha-B subunits have a 3:1 ratio, respectively. Two additional functions of alpha crystallins are an autokinase activity and participation in the intracellular architecture. Alpha-A and alpha-B gene products are differentially expressed; alpha-A is preferentially restricted to the lens and alpha-B is expressed widely in many tissues and organs. Elevated expression of alpha-B crystallin occurs in many neurological diseases; a missense mutation cosegregated in a family with a desmin-related myopathy.

Catalog Number: 76078-994

Supplier: Bioss

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Description: (DAG-2A)

Catalog Number: CA71007-230

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

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Description: Sequence: Boc-Glu-OBzl

Catalog Number: A-1630.0005BA

Supplier: Bachem Americas

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Description: Polyclonal; Host: Goat; Species Reactiviy: Human; Immunogen: BOC antibody was raised against a 14 amino acid synthetic peptide near the internal region of BOC; Application: ELISA, Western Blot

Catalog Number: 10116-946

Supplier: Prosci

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Description: SPPS employing the pure stereoisomer of Fmoc-Pam₂Cys-OH allows to obtain more homogeneous lipopeptides. The configuration of the bis-palmitoyloxypropyl moiety could influence the biological activity of the peptide conjugate.

Catalog Number: 10796-864

Supplier: Bachem Americas

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Description: Powder.

Catalog Number: MK419505

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

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Description: MC-​Val(D8)-​Cit-​PAB-OH ≥95%

Catalog Number: 76620-250

Supplier: AFG Bioscience

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Description: D-(-)-Mannitol 97.0-102.0% (dry basis), powder USP, Multi-Compendial GMP Manufactured Product, J.T.Baker®

Catalog Number: CAJT2553-7

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

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Description: 6-(Fmoc-amino)hexanoic acid, 98%

Catalog Number: AAH63148-06

Supplier: Thermo Scientific Chemicals

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Description: Substrate for tissue transaminase.

Catalog Number: C-1635.0005BA

Supplier: Bachem Americas

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Description: Sequence: H-β-tBu-Ala-OH

Catalog Number: F-1315.0005BA

Supplier: Bachem Americas

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Description: N-Acetylglycine(Ac-Gly-OH) 99%

Catalog Number: CAAAB21887-22

Supplier: Thermo Scientific Chemicals

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Description: Low acetone. Soluble in water.

Catalog Number: MK301606

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

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Description: Sequence: Trt-Glu(OtBu)-OH · DCHA

Catalog Number: E-3650.0005BA

Supplier: Bachem Americas

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Description: N-Benzyloxycarbonyl-L-aspartic acid 4-methyl ester, 98%

Catalog Number: AAH63642-06

Supplier: Thermo Scientific Chemicals

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Description: Non-animal origin. White crystalline powder

Catalog Number: 97061-024

Supplier: VWR

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