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IGF-I 24-41

* Please kindly note that our products are not to be used for therapeutic purposes and cannot be sold to patients.

IGF-I 24-41 is a 24-41 amino acid fragment of insulin-like growth factor I(IGF-I). IGF-I has anabolic, antioxidant, anti-inflammatory and cell-protective properties.

Category

Peptide Inhibitors

Catalog number

BAT-010507

CAS number

135861-49-3

Molecular Formula

C88H133N27O28

Molecular Weight

2017.16

Specification
Reference Reading

IUPAC Name

(2S,3R)-2-[[(2S)-5-amino-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[2-[[(2S,3R)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-3-phenylpropanoyl]amino]-4-oxobutanoyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxybutanoyl]amino]acetyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]acetyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-5-carbamimidamidopentanoyl]amino]-5-carbamimidamidopentanoyl]amino]propanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoyl]amino]-3-hydroxybutanoic acid

Synonyms

Insulin-like Growth Factor I (24-41); H-Tyr-Phe-Asn-Lys-Pro-Thr-Gly-Tyr-Gly-Ser-Ser-Ser-Arg-Arg-Ala-Pro-Gln-Thr-OH; L-tyrosyl-L-phenylalanyl-L-asparagyl-L-lysyl-L-prolyl-L-threonyl-glycyl-L-tyrosyl-glycyl-L-seryl-L-seryl-L-seryl-L-arginyl-L-arginyl-L-alanyl-L-prolyl-L-glutaminyl-L-threonine

Appearance

White or Off-white Lyophilized Powder

Purity

≥95%

Density

1.56±0.1 g/cm3 (Predicted)

Sequence

YFNKPTGYGSSSRRAPQT

Storage

Store at -20°C

Solubility

Soluble in Water

InChI

InChI=1S/C88H133N27O28/c1-44(84(140)114-33-11-18-63(114)81(137)106-55(28-29-65(91)123)75(131)113-70(46(3)120)86(142)143)101-73(129)53(16-9-31-97-87(93)94)104-74(130)54(17-10-32-98-88(95)96)105-79(135)61(42-117)111-80(136)62(43-118)110-78(134)60(41-116)103-68(126)39-99-72(128)57(37-49-22-26-51(122)27-23-49)102-67(125)40-100-83(139)69(45(2)119)112-82(138)64-19-12-34-115(64)85(141)56(15-7-8-30-89)107-77(133)59(38-66(92)124)109-76(132)58(36-47-13-5-4-6-14-47)108-71(127)52(90)35-48-20-24-50(121)25-21-48/h4-6,13-14,20-27,44-46,52-64,69-70,116-122H,7-12,15-19,28-43,89-90H2,1-3H3,(H2,91,123)(H2,92,124)(H,99,128)(H,100,139)(H,101,129)(H,102,125)(H,103,126)(H,104,130)(H,105,135)(H,106,137)(H,107,133)(H,108,127)(H,109,132)(H,110,134)(H,111,136)(H,112,138)(H,113,131)(H,142,143)(H4,93,94,97)(H4,95,96,98)/t44-,45+,46+,52-,53-,54-,55-,56-,57-,58-,59-,60-,61-,62-,63-,64-,69-,70-/m0/s1

InChI Key

HLOCSQLWBVBRQV-FZKVNNNNSA-N

Canonical SMILES

CC(C(C(=O)NCC(=O)NC(CC1=CC=C(C=C1)O)C(=O)NCC(=O)NC(CO)C(=O)NC(CO)C(=O)NC(CO)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(C)C(=O)N2CCCC2C(=O)NC(CCC(=O)N)C(=O)NC(C(C)O)C(=O)O)NC(=O)C3CCCN3C(=O)C(CCCCN)NC(=O)C(CC(=O)N)NC(=O)C(CC4=CC=CC=C4)NC(=O)C(CC5=CC=C(C=C5)O)N)O

1. IGF-I and IGF-I24-41 but not IGF-I57-70 affect somatic and neurobehavioral development of newborn male mice

D Santucci, R Cagiano, G Calamandrei Brain Res Bull . 1994;35(4):367-71. doi: 10.1016/0361-9230(94)90115-5.

Insulin-like growth factor (IGF-I) is a trophic factor for both neurons and glial cells. Its presence in developing and adult nervous system suggests an important role for this peptide in the development of neural circuitries. Neonatal male mice of the CD-1 outbred strain were injected intracerebroventricularly with either recombinant IGF-I, synthetic IGF-I fragment 24-41 or IGF-I fragment 57-70 on postnatal days (PND) 2, 4, and 7. Physical traits such as body weight gain, body length, and tail length were recorded daily from PND2 to PND13. Sensorimotor development was scored according to a modified Fox's scale. The ultrasonic vocalization pattern on PND8 and homing performance on PND10 were also recorded. Measures for body weight gain and tail length of the pups were significantly increased following treatment with the whole IGF-I peptide. However, neither IGF-I nor the smaller fragments affected mice sensorimotor development. IGF-I and IGF-I24-41 but not IGF-I57-70 increased the rate of ultrasonic calls of the pups measured on PND8. These data provide evidence that IGF-I regulates somatic growth and behavioral development when administered in newborn mice and that different portions of the peptide can exert different effects.