Alpha-crystallins, which are part of the small Heat shock family members, are major water-soluble proteins present in the lens of the mammalian eye. Phosphorylation of serine residues which occurs during development and in response to stress, is intimately linked with its function. Chaperone activity requires, and is modulated by, oligomerization and is limited to binding unfolded intermediates to prevent irreversible aggregation.
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Immunohistochemistry analysis of human Heart tissue stained with alpha B-Crystallin, mAb (1B6.1-3G4) at 10µg/ml.

Western Blot analysis of αB-Crystallin mAb (1B6.1-3G4) (Prod. No. ADI-SPA-222): Lane 1: MW Marker, Lane 2: α-Crystallin (bovine), (native) (Prod. No. ADI-SPP-225), Lane 3: αB-Crystallin (bovine), (native) (Prod. No. ADI-SPP-227), Lane 4: αA-Crystallin (bovine), (native) (Prod. No. ADI-SPP-226), Lane 5: β-Crystallin (bovine), (native) (Prod. No. ENZ-PRT224).


Product Details
Alternative Name |
CRYAB, HSPB5 |
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Application |
ICC, IF, IHC (PS), WB |
Application Notes |
Detects a band of ~20kDa by Western blot. |
Clone |
1B6.1-3G4 |
Formulation |
Liquid. In PBS, pH 7.2, containing 50% glycerol and 0.09% sodium azide. |
Host |
Mouse |
Immunogen |
Bovine αB-crystallin. |
Isotype |
IgG1 |
Purity Detail |
Protein G affinity purified. |
Recommendation Dilutions/Conditions |
Immunohistochemistry (paraffin sections, 10µg/ml)Western Blot (1:1,000, colorimetric)Suggested dilutions/conditions may not be available for all applications.Optimal conditions must be determined individually for each application. |
Source |
Purified from ascites. |
Species Reactivity |
Bovine, Chicken, Human, Mouse, Rat |
UniProt ID |
P02510 |
Worry-free Guarantee |
This antibody is covered by our Worry-Free Guarantee. |
Handling & Storage
Long Term Storage |
-20°C |
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Shipping |
Blue Ice |
Regulatory Status |
RUO – Research Use Only |
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- Skeletal Muscle Heat Shock Protein Content and the Repeated Bout Effect.: Locke, M., Bruccoleri, G., et al.; Int. J. Mol. Sci. 25, (2024), Reactant(s): Rat, Abstract
- The small heat shock protein αB-Crystallin protects versus withaferin A-induced apoptosis and confers a more metastatic phenotype in cisplatin-resistant ovarian cancer cells: M.M. Carmichael, et al.; PLoS One 18, e0281009 (2023), Abstract
- Efficacy of exon-skipping therapy for DMD cardiomyopathy with mutations in actin binding domain 1: N. Shiba, et al.; Mol. Ther. Nucleic Acids 34, 102060 (2023), Application(s): WB / Reactant(s) Human, Abstract
- Generation of a homozygous CRYAB p.Arg120Gly mutant (UKEi001-A-1) from a human iPSC line.: Pietsch, N., Cheng, J., et al.; Stem Cell Res. 71, 103188 (2023), Reactant(s): Human, Abstract
- Mature human induced pluripotent stem cell-derived cardiomyocytes promote angiogenesis through alpha-B crystallin.: Tanaka, Y., Kadota, S., et al.; Stem Cell Res. Ther. 14, 240 (2023), Application(s): WB / Reactant(s): Human, Abstract
- Hgs Deficiency Caused Restrictive Cardiomyopathy via Disrupting Proteostasis: Z. Li, et al.; Int. J. Biol. Sci. 18, 2018 (2022), Application(s): IHC, WB / Reactant(s) Mouse, Abstract
- Molecular Features of Lymph Node Metastasis in T1/2 Colorectal Cancer from Formalin-Fixed Paraffin-Embedded Archival Specimens: P. Steffen, et al.; J. Proteome Res. 20, 1304 (2021), Abstract
- Loss of FYCO1 leads to cataract formation: S. Kiyotoshi, et al.; Sci. Rep. 11, 13771 (2021), Abstract
- αB-crystallin response to a pro-oxidant non-cytotoxic environment in murine cardiac cells: An in vitro” and “”in vivo”” study”””: A. Antonioni, et al.; Free Radic. Biol. Med. 152, 301 (2020), Abstract
- Coordinated alpha-crystallin B phosphorylation and desmin expression indicate adaptation and deadaptation to resistance exercise-induced loading in human skeletal muscle.: Höhfeld, J., Bloch, W., et al.; Am. J. Physiol. Cell Physiol. 319, C300 (2020), Reactant(s): Human, Abstract
- Daily running enhances molecular and physiological circadian rhythms in skeletal muscle: Downes, M., Liddle, C., et al.; bioRxiv , (2020), Application(s): WB / Reactant(s): Mouse
- BAG3P215L/KO Mice as a Model of BAG3P209L Myofibrillar Myopathy.: Young, J. C., Brais, B., et al.; Am. J. Pathol. 190, 554 (2020), Application(s): WB / Reactant(s): Mouse, Abstract
- PDE1 inhibition facilitates proteasomal degradation of misfolded proteins and protects against cardiac proteinopathy.: Zhang, H., Pan, B., et al.; Sci. Adv. 5, eaaw5870 (2019), Application(s): WB, Abstract
- Duo-activation of PKA and PKG by PDE1 inhibition facilitates proteasomal degradation of misfolded proteins and protects against proteinopathy: Wang, X., Pan, B., et al.; bioRxiv , (2019), Reactant(s): Mouse
- CRYAB protects cardiomyocytes against heat stress by preventing caspase-mediated apoptosis and reducing F-actin aggregation: B. Yin, et al.; Cell Stress Chaperones 24, 59 (2019), Reactant(s) Rat, Abstract
- Eccentric training enhances the αB-crystallin binding to the myofibrils and prevents skeletal muscle weakness in adjuvant-induced arthritis rat: K. Himori, et al.; J. Appl. Physiol. 127, 71 (2019), Abstract
- Cold water immersion attenuates anabolic signaling and skeletal muscle fiber hypertrophy, but not strength gain, following whole-body resistance training: Fyfe, J. J., Broatch, J. R., et al.; J. Appl. Physiol. 127, 1403 (2019), Abstract
- Histone Deacetylase Inhibitor SAHA Treatment Prevents the Development of Heart Failure after Myocardial Infarction via an Induction of Heat-Shock Proteins in Rats: Nagata, S., Marunouchi, T., et al.; Biol. Pharm. Bull. 42, 453 (2019), Abstract
- Vitamin C mitigates heat damage by reducing oxidative stress, inducing HSP expression in TM4 Sertoli cells: Sun, J., Yin, B., et al.; Mol. Reprod. Dev. 86, 673 (2019), Abstract
- FOXO protects against age-progressive axonal degeneration: I. Hwang, et al.; Aging Cell 17, e12701 (2018), Abstract — Full Text
- Rosemary Reduces Heat Stress by Inducing CRYAB and HSP70 Expression in Broiler Chickens.: Yin, B., Xu, J., et al.; Oxid. Med. Cell. Longev. 2018, 7014126 (2018), Application(s): IHC / Reactant(s): Chicken, Abstract
- Reverse phase protein arrays for the identification/validation of biomarkers of beef texture and their use for early classification of carcasses: M. Gagaoua, et al.; Food Chem. 250, 245 (2018), Application(s): Reverse phase protein array, Abstract
- Reverse Phase Protein array for the quantification and validation of protein biomarkers of beef qualities: The case of meat color from Charolais breed: M. Gagaoua, et al.; Meat Sci. 145, 308 (2018), Abstract
- Preconditioning contractions prevent the delayed onset of myofibrillar dysfunction after damaging eccentric contractions: R. Yamada, et al.; J. Physiol. 596, 4427 (2018), Application(s): WB, Abstract
- Modulation of Protein Quality Control and Proteasome to Autophagy Switch in Immortalized Myoblasts from Duchenne Muscular Dystrophy Patients: M. Wattin, et al.; Int. J. Mol. Sci. 19, 178 (2018), Application(s): Western Blot, Abstract — Full Text
- A knock-in/knock-out mouse model of HSPB8-associated distal hereditary motor neuropathy and myopathy reveals toxic gain-of-function of mutant Hspb8: D. Bouhy, et al.; Acta Neuropathol. 135, 131 (2018), Application(s): IHC / Reactant(s) Mouse, Abstract — Full Text
- A BAG3 chaperone complex maintains cardiomyocyte function during proteotoxic stress.: So, P. L., Conklin, B. R., et al.; JCI Insight 2, (2017), Application(s): WB / Reactant(s): Human, Abstract
- Vitamin C and E supplementation does not affect heat shock proteins or endogenous antioxidants in trained skeletal muscles during 12 weeks of strength training.: Cumming, K. T., Raastad, T., et al.; BMC Nutr. 3, 70 (2017), Application(s): WB / Reactant(s): Human, Abstract
- An Unbiased High-Throughput Screen to Identify Novel Effectors That Impact on Cardiomyocyte Aggregate Levels: McLendon, P. M., Davis, G., et al.; Circ. Res. 121, 604 (2017), Abstract
- The p75NTR-mediated effect of nerve growth factor in L6C5 myogenic cells: A. de Perini, et al.; BMC Res Notes. 10, 686 (2017), Application(s): Western Blot, Abstract — Full Text
- The effects of cold water immersion and active recovery on inflammation and cell stress responses in human skeletal muscle after resistance exercise: J.M. Peake, et al.; J. Physiol. 595, 695 (2017), Abstract — Full Text
- Expression profiles of heat shock protein 27 and αB-crystallin and their effects on heat-stressed rat myocardial cells in vitro and in vivo: S. Tang, et al.; Mol. Med. Rep. 13, 1633 (2016), Reactant(s) Rat, Abstract
- Association between cytoplasmic CRABP2, altered retinoic acid signaling, and poor prognosis in glioblastoma: R.Z. Liu, et al.; Glia 64, 963 (2016), Application(s): WB / Reactant(s) Human, Abstract — Full Text
- HSP90 inhibitors in the context of heat shock and the unfolded protein response: effects on a primary canine pulmonary adenocarcinoma cell line: A.N. Graner, et al.; Int. J. Hyperthermia 20, 1 (2016), Application(s): WB / Reactant(s) Dog, Abstract — Full Text
- αB-Crystallin Interacts with Nav1.5 and Regulates Ubiquitination and Internalization of Cell Surface Nav1.5: Y. Huang, et al.; J. Biol. Chem. 291, 11030 (2016), Reactant(s) Rat, Abstract — Full Text
- The effect of strength training on muscle cellular stress in prostate cancer patients on ADT.: Ugelstad, I., Raastad, T., et al.; Endocr. Connect. 5, 74 (2016), Application(s): WB / Reactant(s): Human, Abstract
- αB-crystallin and HspB2 deficiency is protective from diet-induced glucose intolerance.: Chen, F., Cryns, V. L., et al.; Genom. Data 9, 10 (2016), Application(s): WB / Reactant(s): Mouse, Abstract
- NFκB is a central regulator of protein quality control in response to protein aggregation stresses via autophagy modulation: Nivon, M., Fort, L., et al.; Mol. Biol. Cell 27, 1712 (2016), Abstract
- Expression of alpha B crystallin and BCL2 in patients with infiltrating ductal carcinoma: M. Kim, et al.; Int. J. Clin. Exp. Pathol. 8, 8842 (2015), Application(s): Immunohistochemical staining with human samples, Abstract — Full Text
- ERK-regulated αB-crystallin induction by matrix detachment inhibits anoikis and promotes lung metastasis in vivo: D. Malin, et al.; Oncogene 34, 5626 (2015), Application(s): Western Blotting, Immunohistochemistry, Abstract
- Levels of oestrogen receptor, progesterone receptor and αB-crystallin in eutopic endometrium in relation to pregnancy in women with endometriosis: C. Moberg, et al.; Hum. Fertil. 18, 30 (2015), Abstract
- αB-crystallin Expression in Breast Cancer is Associated with Brain Metastasis: K.D. Voduc, et al.; NPJ Breast Cancer 1, 15014 (2015), Application(s): IHC / Reactant(s) Human, Abstract — Full Text
- Renal tumor with alpha b crystallin expression: M. Kim, et al.; Int. J. Clin. Exp. Pathol. 8, 9383 (2015), Application(s): Immunohistochemical staining with human samples, Full Text
- αB-crystallin: a novel regulator of breast cancer metastasis to the brain: Malin, D., Strekalova, E., et al.; Clin. Cancer Res. 20, 56 (2014), Abstract
- Transient transcriptional events in human skeletal muscle at the outset of concentric resistance exercise training.: Murton, A. J., Billeter, R., et al.; J. Appl. Physiol. 116, 113 (2014), Reactant(s): Human, Abstract
- Effects of vitamin C and E supplementation on endogenous antioxidant systems and heat shock proteins in response to endurance training: K.T. Cumming, et al.; Physiol. Rep. 2, e12142 (2014), Application(s): WB / Reactant(s) Human, Abstract — Full Text
- Comparative analysis of αB-crystallin expression in heat-stressed myocardial cells in vivo and in vitro: S. Tang, et al.; PLoS One 9, e86937 (2014), Application(s): IF / Reactant(s) Rat, Abstract — Full Text
- Acute response and subcellular movement of HSP27, αB-crystallin and HSP70 in human skeletal muscle after blood-flow-restricted low-load resistance exercise: K.T. Cumming, et al.; Acta Physiol. (Oxf.) 211, 634 (2014), Abstract
- Effects of hyperbaric oxygen preconditioning on cardiac stress markers after simulated diving.: Jørgensen, A., Foster, P. P., et al.; Physiol. Rep. 1, e00169 (2013), Application(s): WB / Reactant(s): Rat, Abstract
- High expression of crystallin αB represents an independent molecular marker for unfavourable ovarian cancer patient outcome and impairs TRAIL- and cisplatin-induced apoptosis in human ovarian cancer cells: J. Volkmann, et al.; Int. J. Cancer. 132, 2820 (2013), Application(s): WB and IHC using human ovarian cancer tissue samples, Abstract — Full Text
- αB-crystallin/HspB5 regulates endothelial-leukocyte interactions by enhancing NF-κB-induced up-regulation of adhesion molecules ICAM-1, VCAM-1 and E-selectin: Dieterich, L. C., Huang, H., et al.; Angiogenesis 16, 975 (2013), Abstract
- Influences of temperature, oxidative stress, and phosphorylation on binding of heat shock proteins in skeletal muscle fibers: N.T. Larkins, et al.; Am. J. Physiol. Cell. Physiol. 303, C654 (2012), Application(s): Western-blot using rat skeletal muscles, Abstract
- Elevated retina-specific expression of the small heat shock protein,αA-crystallin, is associated with photoreceptor protection in experimental uveitis: N. Rao, et al.; Invest. Ophthalmol. Vis. Sci. 49, 1161 (2008), Application(s): WB, IF using mouse cell lysates & tissue, Abstract
- Chemical and biological approaches synergize to ameliorate protein-folding diseases: T.W. Mu, et al.; Cell 134, 769 (2008), Application(s): WB using human cell lysates, Abstract
- Loop of Henle interaction with interstitial nodal spaces in the renalinner medulla: T. Pannabecker, et al.; Am. J. Physiol. Renal Physiol. 295, F1744 (2008), Application(s): IHC using rat tissue, Abstract
- αB-crystallin promotes tumor angiogenesis by increasing vascular survival during tube morphogenesis: A. Dimberg, et al.; Blood 111, 2015 (2008), Application(s): Western blot of bovine capillary endothelial (BCE) cell lysates, Abstract
- The small heat shock protein alpha B-crystallin negatively regulates cytochrome c- and caspase-8-dependent activation of caspase-3 by inhibiting its autoproteolytic maturation: V.L. Cryns, et al.; J. Biol. Chem. 276, 16059 (2001), Application(s): WB, ICC using human & mouse samples, Abstract
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Species Reactivity | Mouse |

Application | ELISA, WB |
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Species Reactivity | Mouse |

Alternative Name | CRYAB, HspB5, Heat shock protein β-5 |
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Purity | ≥90% (SDS-PAGE; Western blot) |
Source | Isolated from bovine eye lens. |
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