SKU: 17455929781

LR3-IGF-I Protein, Salmon

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Description

LR3-IGF-I Protein, SalmonProduct Specification Species Salmon Synonyms LR3 Insulin like Growth Factor I, MGF, IGFI, IGF1A, IGF, IBP1 Accession Q91476 Amino Acid Sequence Gly19 Ala88 (Glu21Arg) Expression System E. coli Molecular Weight 10 12 kDa (Reducing) Purity >95% by SDS PAGE & HPLC. Endotoxin <0. 1EU g Conjugation Unconjugated Tag No Tag Physical Appearance Lyophilized powder Storage Buffer PBS, pH7. 4 Reconstitution Reconstitute at 0. 1 1 mg ml according to the size in

Product Specification


Species Salmon
Synonyms LR3 Insulin-like Growth Factor-I, MGF, IGFI, IGF1A, IGF, IBP1
Accession Q91476
Amino Acid Sequence

Gly19-Ala88 (Glu21Arg)

Expression System E.coli
Molecular Weight

10-12 kDa (Reducing)

Purity >95% by SDS-PAGE & HPLC.
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag No Tag
Physical Appearance Lyophilized powder
Storage Buffer

PBS, pH7.4

Reconstitution

Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.

Stability & Storage

·12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
·3 months, -20 to -80℃ under sterile conditions after reconstitution.
·1 week, 2 to 8℃ under sterile conditions after reconstitution.
·Please avoid repeated freeze-thaw cycles.

Reference

Endocrinology. 1999 Oct;140(10):4699-705.
J Neurotrauma. 2018 Jul 1;35(13):1467-1480.

Background

IGF-I is a well-characterized basic peptide secreted by the liver that circulates in the blood. It has growth-regulating, insulin-like, mitogenic activities. IGF-I is a growth factor that has a major, but not absolute, dependence on somatotropin. It is believed to be mainly active in adults in contrast to IGF-II, which is also a major fetal growth factor. Salmon Long R3 Insulin-like Growth Factor-I contains a 70 amino acid analog of Salmon IGF-I. Compared to the complete IGF-I sequence, an addition of the LR3-IGF-1 includes the substitution of an Arg for the Glu at position 3 (hence R3) and a 13 amino acid extension peptide at the N-terminus. An enhanced potency is due to the markedly decreased binding of Long R3-IGF-I to IGF binding proteins which normally inhibit the biological actions of IGFs.

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SKU: 17455929781

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Reddingjustin
Belleville, US
★★★★★ 3
Only vibrates...
Color: Blue
It only vibrates. My dog enjoys it, but it doesn't spin or do what you would expect it to do. I essentially bought my dog a vibrator...
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Reviewed in the United States on May 24, 2026
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lisa carpenter
Lowell, US
★★★★★ 5
Great dog toy
Color: Blue
My dog loves this interactive ball. It is made with great material and the quality is good. It is rechargeable and it's great to take to dog park and also out in my back yard. My dog enjoys it so much . The battery life is great and it is chew resistant. It don't make much noise and that's a good thing. Size is just right for my dog.
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Reviewed in the United States on April 21, 2026
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Edna Claytor
Charlottesville, US
★★★★★ 1
Defect Item
Color: Blue
It only fully charged for one week!
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Reviewed in the United States on May 21, 2026
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Mickey
Pawtucket, US
★★★★★ 5
PUPPY APPROVES
Color: Orange
Fun interactive toy. I felt this was a little pricey but watching my puppy playing with it is priceless. She flings it all over the room. As a puppy she chews on it a lot because of teething but there still isn’t a mark on it. Battery lasts a very long time and requires no replacement batteries just a usb connection. It is a little noisy so sometimes I let her play with it without turning it on. All told, it is one of her favorite toys. She is 4 months and weighs 7 pounds, just to give you an idea if it will work for your dog.
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Reviewed in the United States on March 24, 2026
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Maverick
Port Orchard, US
★★★★★ 5
Absolutely would buy again
Color: Orange
I love this, my pup loves this. Strong, sturdy. Shakes all over the place. Pup loves to chew on it, I think the vibration comforts her gums from teething. Perfect size You must take the outer skin off and pop open the white power button to charge it. Total fun!
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Reviewed in the United States on March 22, 2026

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