Rat IgG lambda1 Protein, His Tag
SKU: 83283204148

Rat IgG lambda1 Protein, His Tag

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Description

Rat IgG lambda1 Protein, His TagProduct Specification Species Rat Synonyms Ig lambda 1 chain C region Accession P20766 Amino Acid Sequence Protein sequence (P20766, Gln1 Ser104, with C His Tag) QPKATPSVTLFPPSSEELKTDKATLVCMVTDFYPGVMTVVWKADGTPITQGVETTQPFKQNNKYMATSYLLLTAKAWETHSNYSCQVTHEENTVEKSLSRAECS Expression System HEK293 Molecular Weight Predicted MW: 13. 3 kDa Observed MW: 15, 18 kDa Purity 90% by SDS PAGE Endotoxin <1EU g Conjugation Unconjugated Physical Appearance Lyophilized

Product Specification


Species Rat
Synonyms Ig lambda-1 chain C region
Accession P20766
Amino Acid Sequence

Protein sequence (P20766, Gln1-Ser104, with C-His Tag) QPKATPSVTLFPPSSEELKTDKATLVCMVTDFYPGVMTVVWKADGTPITQGVETTQPFKQNNKYMATSYLLLTAKAWETHSNYSCQVTHEENTVEKSLSRAECS

Expression System HEK293
Molecular Weight Predicted MW: 13.3 kDa Observed MW: 15, 18 kDa
Purity >90% by SDS-PAGE
Endotoxin <1EU/μg
Conjugation Unconjugated
Physical Appearance Lyophilized Powder
Storage Buffer

Lyophilized from a 0.2 μm filtered solution of 20mM Tris-HCl, pH8.0 with 3% trehalose.

Reconstitution Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation.
Stability & Storage

12 months from date of receipt, -20 to -70 °C as supplied.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
1 week, 2 to 8 °C under sterile conditions after reconstitution.
Please avoid repeated freeze-thaw cycles.

Background

The rat Ig lambda-1 chain C region is a crucial component of immunoglobulin antibodies, specifically those utilizing the lambda light chain. This constant domain defines the isotype and is responsible for the structural stability of the antibody molecule. It facilitates the critical effector functions of the humoral immune response, including complement activation and interaction with Fc receptors on various immune cells. As a fundamental part of the antibody's Fc fragment, it plays a key role in determining the antibody's half-life and its ability to clear pathogens and antigens. Its study is essential in immunology and biomedical research involving rat models.

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SKU: 83283204148

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4.7 ★★★★★
Based on 316 reviews
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B
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Ben Ross
Bozeman, US
★★★★★ 1
P.O.S.
Color: Grey, Color: Grey
Toy is not as advertised. It is NOT for aggressive chewers. It is NOT indestructible. It is NOT for medium to large dogs. I knew the moment I opened it that it would be demolished by my 24 pound Miniature Blue Heeler. And here we are 5 minutes after giving it to him, picking up pieces of cotton off of the floor. This should be marketed as a kids stuffed animal. In no way shape or form is this a chew toy unless you have an aging toothless two pound Chihuahua. It would have taken longer for my dog to chew up the $10 dollar bill I gave for this. 💩
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Reviewed in the United States on April 28, 2026
C
Verified Purchase
Clssydee
Bozeman, US
★★★★★ 5
Great for aggressive chewers
Color: Grey
Tuff toy, my yorkie has been trying to tare squeaker out for about 3 days, he works on the fur part but so far it stands up to his chewing, I have gone thru 3 other toys this week so glad thi one works! It lasted 8 days. They need to make whole toy out of material and put fur on top of the tuff material. Once he found out wetting the fur softens it he pulled the seam apart.
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Reviewed in the United States on February 5, 2026
D
Verified Purchase
DOROTHY POHTS
Boise, US
★★★★★ 1
Does not stand up to aggressive chewers
Color: Grey
Supposed to be for heavy chewers. My dog destroyed this toy literally in less than 15 minutes. Tore the tail which I sewed back together and then she tore off the nose and pulled out stuffing. Don't know how they tested this. She is only 6 months old and it didn't stand up to her play. Do not recommend if you have an aggressive chewer.
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Reviewed in the United States on May 30, 2026
P
Verified Purchase
Paul Wexler
Carnegie, US
★★★★★ 5
Won't last a day
Color: Blue, Color: Blue
My 50 lb. Pitt bull destroyed this chew toy in 15 minutes. One week later. I'm changing my rating from a one to a five. My girl spent up until now ripping it apart and pulling the stuffing and squeaker out. She had so much fun that I bought her another one. When I took it out of the box for her, she was so happy, she immediately tried to tear it apart.
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Reviewed in the United States on May 30, 2026
C
Verified Purchase
Cara
Port Orchard, US
★★★★★ 2
Lasted 2 minutes
Color: Grey, Color: Grey
Gave it a 2 star bc it was cute and on time. I have a GSD- a mildly aggressive chewer. This toy literally lasted 2 minutes and there was stuffing coming out so I had to take it away. Wish I would have read the reviews before I purchased.
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Reviewed in the United States on May 3, 2026

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