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H-N-3-Methyl-L-histidine
3-N-Methyl-L-histidine is a potential compound to be used as a treatment with pharmacological PPARα agonists to stimulate the ubiquitin proteasome pathway and myofibrillar protein breakdown in skeletal muscle of rodents. Synonyms: L-His(p-Me)-OH; H-His(3-Me)-OH; 3-methyl-L-histidine; H-His(p-Me)-OH; 3-N-Methyl-L-histidine; L-Histidine, 3-methyl-; METHYL-L-HISTIDINE,1-(RG). Grade: ≥ 99% (TLC). CAS No. 368-16-1. Molecular formula: C7H11N3O2. Mole weight: 169.18.
H-NH-EtOEt-ol-2-chlorotrityl resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-NH-EtOEt-ol-Trt(2-Cl)-Resin; 2-(2-Aminoethoxy)ethanol-Trt(2-Cl)-Resin; 2-(2-Aminoethoxy)ethanol-2-chlorotrityl resin.
H-Nle-2-chlorotrityl resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Nle-Trt(2-Cl)-Resin; H-Nle-Barlos Resin; L-Norleucine 2-chlorotrityl resin.
H-(N-Me)Ala-2-Chlorotrityl Resin
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Nva-Trt(2-Cl)-Resin; H-Nva-Barlos Resin; L-Norvaline 2-chlorotrityl resin.
Holotricin-1 is an antimicrobial peptide derived from histones isolated from Holotrichia diomphalia (Korean black chafer). It shows strong antibacterial activity against gram-positive bacteria, but has no obvious antibacterial activity against gram-negative bacteria. Synonyms: Val-Thr-Cys(1)-Asp-Leu-Leu-Ser-Leu-Gln-Ile-Lys-Gly-Ile-Ala-Ile-Asn-Asp-Ser-Ala-Cys(2)-Ala-Ala-His-Cys(3)-Leu-Ala-Met-Arg-Arg-Lys-Gly-Gly-Ser-Cys(1)-Lys-Gln-Gly-Val-Cys(2)-Val-Cys(3)-Arg-Asn.
Hominicin
Hominicin is an antibacterial peptide isolated from Staphylococcus hominis MBBL 2-9. It has activity against gram-positive bacteria. Synonyms: DmIle-Dhb-Pro-Ala-Dhb-Pro-Phe-Dhb-Pro-Ala-Ile-Thr-Glu-Ile-Dhb-Ala-Ala-Val-Ile-Ala-Dmp. Molecular formula: C99H163N21O29. Mole weight: 2111.51.
HO-Phe-Val-Gln-Trp-Leu-Ile-Ala-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2 is an 18-amino-acid peptide with a free hydroxyl group (HO) at the N-terminus and an amide group (NH2) at the C-terminus. This peptide features a mix of hydrophobic residues (Phe, Val, Trp, Leu, Ile, Ala), polar residues (Gln, Ser), and glycine (Gly) which contributes to its flexibility. The multiple proline residues (Pro) suggest potential for forming specific structural motifs. This peptide could be of interest for studying protein folding, structural interactions, or in designing peptides with specific biological activities. Synonyms: Phe-Val-Gln-Trp-Leu-Ile-Ala-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2; (S)-N1-((8S,11S,14S,17S)-1-((S)-2-(((S)-1-(((S)-1-((2-(((S)-1-((S)-2-((S)-2-((S)-2-(((S)-1-Amino-3-hydroxy-1-oxopropan-2-yl)carbamoyl)pyrrolidine-1-carbonyl)pyrrolidine-1-carbonyl)pyrrolidin-1-yl)-1-oxopropan-2-yl)amino)-2-oxoethyl)amino)-3-hydroxy-1-oxopropan-2-yl)amino)-3-hydroxy-1-oxopropan-2-yl)carbamoyl)pyrrolidin-1-yl)-11-((S)-sec-butyl)-18-(1H-indol-3-yl)-14-isobutyl-8-methyl-1,4,7,10,13,16-hexaoxo-3,6,9,12,15-pentaazaoctadecan-17-yl)-2-((S)-2-((S)-2-amino-3-phenylpropanamido)-3-methylbutanamido)pentanediamide. Grade: ≥90%. Molecular formula: C83H123N21O22. Mole weight: 1767.02.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis.
Hp1090 is an antibacterial peptide isolated from Heterometrus petersii. It has antiviral activity. Synonyms: H-Ile-Phe-Lys-Ala-Ile-Trp-Ser-Gly-Ile-Lys-Ser-Leu-Phe-OH. Molecular formula: C76H116N16O16. Mole weight: 1509.8.
H-p-Chloro-Phe-D-Cys-β-(3-pyridyl)-Ala-D-Trp-N-Me-Lys-Thr-Cys-2-Nal-NH2 is the somatostatin-14 analog, with a high affinity of 5.98 nM for somatostatin receptor subtype 5 (SST5) (1.4 nM for somatostatin-14). It is the first antagonist with high affinity for SST5. Synonyms: H-p-Chloro-Phe-D-Cys-β-(3-pyridyl)-Ala-D-Trp-N-Me-Lys-Thr-Cys-2-Nal-NH2 (Disulfide bridge: Cys2-Cys7); 4-chloro-L-phenylalanyl-D-cysteinyl-3-(3-pyridyl)-L-alanyl-D-tryptophyl-N-methyl-L-lysyl-L-threonyl-L-cysteinyl-3-(2-naphthyl)-L-alaninamide (2->7)-disulfide; H-Phe(4-Cl)-D-Cys(1)-3Pal-D-Trp-N(Me)Lys-Thr-Cys(1)-2Nal-NH2; PRL-3195; 4-Cpa-cyclo(D-Cys-3-Pal-D-Trp-MeLys-Thr-Cys)-2-Nal-NH2. Grade: ≥90%. CAS No. 341519-04-8. Molecular formula: C58H69ClN12O9S2. Mole weight: 1177.83.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Pen(Acm)-Trt(2-Cl)-Resin; H-Pen(Acm)-Barlos Resin; S-Acetamidomethyl-L-penicillamine 2-chlorotrityl resin.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Pen(Trt)-Trt(2-Cl)-Resin; H-Pen(Trt)-Barlos Resin; S-Trityl-L-penicillamine 2-chlorotrityl resin.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis.
It is a taste modulating peptide extracted from Cocoa Beans. Synonyms: Phenylalanylglutamate; Phe-glu; L-phenylalanyl-L-glutamic acid; FE dipeptide; L-Phe-L-Glu; L-Phenylalanyl-L-Glutamate; Phenylalanine Glutamate dipeptide. Grade: >99%. CAS No. 3617-45-6. Molecular formula: C14H18N2O5. Mole weight: 294.30.
H-Phe-Gly-His-p-nitro-Phe-Phe-Ala-Phe-OMe
A good substrate for pepsin which is also cleaved by cathepsin D. Synonyms: Phe-Gly-His-Phe(NO2)-Phe-Ala-Phe-OMe; Methyl L-phenylalanylglycyl-L-histidyl-4-nitro-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-phenylalaninate. CAS No. 50572-79-7. Molecular formula: C48H54N10O10. Mole weight: 931.00.
H-Phe-Met-Arg-Phe-NH2 is a molluscan neuropeptide isolated from the ganglia of Macrocallista nimbosa. Synonyms: Fmrfamide; FMRF amide; (S)-N-((S)-1-Amino-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-((S)-2-amino-3-phenylpropanamido)-4-(methylthio)butanamido)-5-guanidinopentanamide; Molluscan Cardioexcitatory Neuropeptide. CAS No. 152165-14-5. Molecular formula: C29H42N8O4S. Mole weight: 598.76.
H-Phe-Phe-Phe-OH is a bitter-tasting peptide due to its hydrophobicity. Synonyms: Phe-phe-phe; Phenylalanyl-phenylalanyl-phenylalanine; l-phenylalanyl-l-phenylalanyl-l-phenylalanine. Grade: 95%. CAS No. 2578-81-6. Molecular formula: C27H29N3O4. Mole weight: 459.54.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis. Synonyms: H-Phg-Trt(2-Cl)-Resin; H-Phg-Barlos Resin; L-Phenylglycine 2-chlorotrityl resin.
2-Chlorotrityl-Chloride-Resin is less acid-labile than Trityl Resin, and is widely used for solid phase immobilization. It has been used with the Fmoc/tBu methodology in the microwave-assisted solid phase peptide synthesis.
H-Pro-Arg-AMC is a fluorogenic Plasmodium falciparum dipeptidyl aminopeptidase 1 (DPAP1, cathepsin C) substrate. Synonyms: H-Pro-Arg-AMC. 2 HCl. Grade: 95%. CAS No. 546103-85-9. Molecular formula: C21H28N6O4. Mole weight: 428.49.
H-Pro-Asn-OH
Prolyl-Asparagine is a dipeptide composed of proline and asparagine. Synonyms: Pro-Asn; H-Pro-Asn-OH; L-prolyl-L-asparagine. CAS No. 107856-82-6. Molecular formula: C9H15N3O4. Mole weight: 229.23.
H-Pro-Gly-Pro-OH (PGP), a tripeptide produced by the breakdown of extracellular matrix collagen, has specific chemotactic effects on neutrophils in vitro and in vivo. Ac-PGP generated by N-terminal acetylation of PGP can enhance this chemotactic potential. PGP is a physiological substrate for the activity of leukotriene A4 hydrolase aminopeptidase, and a biomarker for chronic obstructive pulmonary disease (COPD). Synonyms: H-PGP-OH; L-prolyl-glycyl-L-proline; L-Proline, L-prolylglycyl-; prolyl-glycyl-proline. Grade: ≥95% by HPLC. CAS No. 7561-51-5. Molecular formula: C12H19N3O4. Mole weight: 269.30.
H-Pro-Ile-OH
H-Pro-Ile-OH is a derivative of isoleucine, an α-amino acid that is used in the biosynthesis of proteins. Synonyms: Pro-ile; Prolylisoleucine; l-prolyl-l-isoleucine; N-L-Prolyl-L-isoleucine; L-Pro-L-Ile-OH. CAS No. 51926-51-3. Molecular formula: C11H20N2O3. Mole weight: 228.29.
H-PRO-LEU-GLY-NHOH HCL
An affinity ligand for the purification of human collagenases. Synonyms: Pro-Leu-Gly hydroxamate hydrochloride. Grade: 95%. CAS No. 120928-08-7. Molecular formula: C13H25ClN4O4. Mole weight: 336.82.
H-Pro-Met-OH is used as an antihypertensive drug or health care product. Synonyms: L-Prolyl-L-methionine; Pro-Met; prolylmethionine; PM dipeptide; Proline Methionine dipeptide. Grade: >99%. CAS No. 52899-08-8. Molecular formula: C10H18N2O3S. Mole weight: 246.33.
H-Pro-pNA TFA
H-Pro-pNA TFA acts as a chromogenic substrate for prolyl aminopeptidase (proline iminopeptidase). Synonyms: L-Proline 4-nitroanilide trifluoroacetate; (S)-N-(4-Nitrophenyl)-2-pyrrolidinecarboxamide Mono(trifluoroacetate); (2S)-N-(4-Nitrophenyl)-2-pyrrolidinecarboxamide Mono(trifluoroacetate); H-L-Pro-pNA Trifluoracetate; H-Pro-Pna TFA; L-Proline p-nitroanilide trifluoroacetate salt; Pro-pNA; P-pNA; H Pro Pna TFA; 2-Pyrrolidinecarboxamide, N-(4-nitrophenyl)-, (2S)-, mono(trifluoroacetate); 2-Pyrrolidinecarboxamide, N-(4-nitrophenyl)-, (S)-, mono(trifluoroacetate); 2-Pyrrolidinecarboxamide, N-(4-nitrophenyl)-, (2S)-, 2,2,2-trifluoroacetate (1:1). Grade: ≥95%. CAS No. 108321-19-3. Molecular formula: C11H13N3O3.C2HO2F3. Mole weight: 349.26.
H-Pro-Pro-Asp-NH2
H-Pro-Pro-Asp-NH2, adsorbed on modified silica gel, is a highly efficient recyclable chiral catalyst for aldol reactions. Synonyms: H-PPD-NH2; L-prolyl-L-prolyl-L-isoasparagine; L-Prolyl-L-prolyl-L-α-asparagine; (S)-4-amino-4-oxo-3-((S)-1-((S)-pyrrolidine-2-carbonyl)pyrrolidine-2-carboxamido)butanoic acid. Grade: ≥95%. CAS No. 850440-85-6. Molecular formula: C14H22N4O5. Mole weight: 326.35.
H-Pro-Pro-Gln-OH
H-Pro-Pro-Gln-OH is an effective catalyst for conjugate addition reaction between aldehydes and β-substituted nitroolefins. Synonyms: H-PPQ-OH; L-prolyl-L-prolyl-L-glutamine; Prolyl-prolyl-glutamine; (S)-5-amino-5-oxo-2-((S)-1-((S)-pyrrolidine-2-carbonyl)pyrrolidine-2-carboxamido)pentanoic acid. Grade: ≥95%. CAS No. 856170-98-4. Molecular formula: C15H24N4O5. Mole weight: 340.37.
H-PRO-PRO-PRO-PRO-OH
PPPP was used as an internal standard in the quantitative determination of the antihypertensive (ACE-inhibiting) peptides IPP and VPP in cheese by HPLC-MS3. Synonyms: L-Pro-Pro-Pro-Pro. CAS No. 21866-90-0. Molecular formula: C20H30N4O5. Mole weight: 406.48.
H-Pro-Pro-Ser(OtBu)-NH2
H-Pro-Pro-Ser(OtBu)-NH2 is a protected tripeptide used in peptide synthesis. The H indicates a free N-terminus on the proline (Pro) residue, allowing for further coupling or reactions. The sequence includes two proline residues, which are known for introducing structural kinks or turns in peptide chains. The hydroxyl group of the serine (Ser) residue is protected by an OtBu (tert-butyl) group, which prevents it from reacting until selective deprotection. The -NH2 at the C-terminus denotes a free amine group, enabling additional modifications or coupling reactions. This peptide is utilized to introduce proline and serine into peptide sequences while controlling functional group reactivity through selective protection. Synonyms: PPS; (S)-1-(L-Prolyl)-N-((S)-1-amino-3-(tert-butoxy)-1-oxopropan-2-yl)pyrrolidine-2-carboxamide; H-Pro-Pro-Ser(tBu)-NH2. Grade: ≥95%. Molecular formula: C17H30N4O4. Mole weight: 354.45.
H-Pro-Thr-Glu-Phe-p-nitro-Phe-Arg-Leu-OH
H-Pro-Thr-Glu-Phe-p-nitro-Phe-Arg-Leu-OH, the p-nitrophenylalanine-containing substrate, is used for a convenient assay of pepsin and other aspartic proteinases of animal and microbial origin. It is soluble over a wide pH range with the Km values showing only little variation (Km = 80 μM at pH 3.1 and 37°C for porcine pepsin). Synonyms: L-prolyl-L-threonyl-L-alpha-glutamyl-L-phenylalanyl-4-nitro-L-phenylalanyl-L-arginyl-L-leucine; PTEF-Nph-RL; L-Pro-L-Thr-L-Glu-L-Phe-4-Nitro-L-Phe-L-Arg-L-Leu-OH; (2S,5S,8S,11S,14S)-11-benzyl-5-(3-guanidinopropyl)-14-((2S,3R)-3-hydroxy-2-((S)-pyrrolidine-2-carboxamido)butanamido)-2-isobutyl-8-(4-nitrobenzyl)-4,7,10,13-tetraoxo-3,6,9,12-tetraazaheptadecane-1,17-dioic acid; L-Leucine, N-(N2-(4-nitro-N-(N-(N-(N-L-prolyl-L-threonyl)-L-alpha-glutamyl)-L-phenylalanyl)-L-phenylalanyl)-L-arginyl)-, (2'E)-; L-Prolyl-L-threonyl-L-α-glutamyl-L-phenylalanyl-4-nitro-L-phenylalanyl-N5-(diaminomethylene)-L-ornithyl-L-leucine. Grade: ≥95%. CAS No. 90331-82-1. Molecular formula: C44H63N11O13. Mole weight: 954.04.