Human/Mouse/Rat AlphaB Crystallin/CRYAB Alexa Fluor® 647-conjugated Antibody

Catalog #: AF4849R Datasheet / COA / SDS

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AF4849R-100UG

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Human/Mouse/Rat AlphaB Crystallin/CRYAB Alexa Fluor® 647-conjugated Antibody Summary

Species Reactivity

Human, Mouse, Rat

Specificity

Detects human, mouse and rat AlphaB Crystallin/CRYAB in Western blots. In Western blots, less than 1% cross-reactivity with recombinant human CRYAA is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant human AlphaB Crystallin/CRYAB
Met1-Lys175
Accession # P02511

Formulation

Supplied 0.2mg/ml in 1X PBS with RDF1 and 0.09% Sodium Azide

Label

Alexa Fluor 647 (Excitation= 650 nm, Emission= 668 nm)

Applications

Recommended Concentration

Sample

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: AlphaB Crystallin/CRYAB

AlphaB Crystallin (CRYAB, also known as Crystallin alpha -B chain and HspB5) is a 22‑23 kDa member of the HSP20 family of proteins. It has widespread expression in many tissues in addition to lens epithelium, where it noncovalently oligomerizes with CRY-alpha A to generate a transparent 350‑1000 kDa alpha -Crystallin protein complex. Human CRYAB is 175 amino acids (aa) in length. There is a alpha -Crystallin Hsp domain over aa 66‑149. Multiple posttranslational modifications may exist. The
N‑terminal Met and MetAspIleAlaIleHis sequence is occasionally cleaved. There is also phosphorylation at Ser45 and 59, potential O-GlcNAc modification at Thr158, 162 or 170, and acetylation at Lys92. There is an alternate start site at Met68 that may be accompanied by a 47 aa substitution for aa 109‑175. Full-length human CRYAB is 54% aa identical to CRY-AlphaA, and 98% aa identical to mouse CRYAB.

Entrez Gene IDs

1410 (Human); 12955 (Mouse); 25420 (Rat)

Alternate Names

alpha B crystallin; alpha(B)-crystallin; AlphaB Crystallin; alpha-crystallin B chain; CRYA2; CRYA2alpha crystallin B chain; CRYAB; crystallin, alpha B; CTPP2; Heat shock protein beta-5; heat-shock 20 kD like-protein; HSPB5; Renal carcinoma antigen NY-REN-27; Rosenthal fiber component