L-alanine-15N-N-FMOC - CAS 117398-49-9
Molecular Formula:
CH3CH(15NH-FMOC)COOH
Molecular Weight:
312.33
COA:
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Tag:
Fmoc-protected Amino Acids (Labelled)
Description:
L-alanine-15N-N-FMOC is a labelled L-alanine-N-FMOC. Alanine is one of the non-essential amino acids for humans. Alanine is the key compound in glucose-alanine cycle.
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Purity:
98% by HPLC; 98% atom 15N
Related CAS:
35661-39-3 (unlabelled)
Synonyms:
Fmoc-Ala-OH (15N); Fmoc-Ala-OH-15N
MSDS:
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InChIKey:
QWXZOFZKSQXPDC-DKOIJTIKSA-N
InChI:
InChI=1S/C18H17NO4/c1-11(17(20)21)19-18(22)23-10-16-14-8-4-2-6-12(14)13-7-3-5-9-15(13)16/h2-9,11,16H,10H2,1H3,(H,19,22)(H,20,21)/t11-/m0/s1/i19+1
Canonical SMILES:
CC(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
1.Sequence-specific DNA alkylation targeting for Kras codon 13 mutation by pyrrole-imidazole polyamide seco-CBI conjugates.
Taylor RD1, Asamitsu S, Takenaka T, Yamamoto M, Hashiya K, Kawamoto Y, Bando T, Nagase H, Sugiyama H. Chemistry. 2014 Jan 27;20(5):1310-7. doi: 10.1002/chem.201303295. Epub 2013 Dec 30.
Hairpin N-methylpyrrole-N-methylimidazole polyamide seco-CBI conjugates 2-6 were designed for synthesis by Fmoc solid-phase synthesis, and their DNA-alkylating activities against the Kras codon 13 mutation were compared by high-resolution denaturing gel electrophoresis with 225 base pair (bp) DNA fragments. Conjugate 5 had high reactivity towards the Kras codon 13 mutation site, with alkylation occurring at the A of the sequence 5'-ACGTCACCA-3' (site 2), including minor 1 bp-mismatch alkylation against wild type 5'-ACGCCACCA-3' (site 3). Conjugate 6, which differs from conjugate 5 by exchanging one Py unit with a β unit, showed high selectivity but only weakly alkylated the A of 5'-ACGTCACCA-3' (site 2). The hairpin polyamide seco-CBI conjugate 5 thus alkylates according to Dervan's pairing rule with the pairing recognition which β/β pair targets T-A and A-T pairs. SPR and a computer-minimized model suggest that 5 binds to the target sequence with high affinity in a hairpin conformation, allowing for efficient DNA alkylation.
2.Assessing the utility of infrared spectroscopy as a structural diagnostic tool for β-sheets in self-assembling aromatic peptide amphiphiles.
Fleming S1, Frederix PW, Ramos Sasselli I, Hunt NT, Ulijn RV, Tuttle T. Langmuir. 2013 Jul 30;29(30):9510-5. doi: 10.1021/la400994v. Epub 2013 Jul 16.
β-Sheets are a commonly found structural motif in self-assembling aromatic peptide amphiphiles, and their characteristic "amide I" infrared (IR) absorption bands are routinely used to support the formation of supramolecular structure. In this paper, we assess the utility of IR spectroscopy as a structural diagnostic tool for this class of self-assembling systems. Using 9-fluorene-methyloxycarbonyl dialanine (Fmoc-AA) and the analogous 9-fluorene-methylcarbonyl dialanine (Fmc-AA) as examples, we show that the origin of the band around 1680-1695 cm(-1) in Fourier transform infrared (FTIR) spectra, which was previously assigned to an antiparallel β-sheet conformation, is in fact absorption of the stacked carbamate group in Fmoc-peptides. IR spectra from (13)C-labeled samples support our conclusions. In addition, DFT frequency calculations on small stacks of aromatic peptides help to rationalize these results in terms of the individual vibrational modes.
3.Facile synthesis of mono- and bis-methylated Fmoc-Dap, -Dab and -Orn amino acids.
Lindahl F1, Hoang HN, Fairlie DP, Cooper MA. Chem Commun (Camb). 2015 Mar 14;51(21):4496-8. doi: 10.1039/c4cc09780g.
A new methodology for the synthesis of side chain mono- or bis-methylated Fmoc-Dap, -Dab and -Orn amino acids was developed by probing the reactivity of commercially available Fmoc amino acids.
4.Synthesis of Mannosylated Lipopeptides with Receptor Targeting Properties.
Sedaghat B, Stephenson RJ, Giddam AK, Eskandari S, Apte SH1, Pattinson DJ1, Doolan DL1, Toth I2. Bioconjug Chem. 2016 Mar 16;27(3):533-48. doi: 10.1021/acs.bioconjchem.5b00547. Epub 2016 Jan 25.
Present on the surface of antigen presenting cells (APCs), the mannose receptor (MR) has long been recognized as a front-line receptor in pathogen recognition. During the past decade many attempts have been made to target this receptor for applications including vaccine and drug development. In the present study, a library of vaccine constructs comprising fluorescently labeled mannosylated lipid-dendrimers that contained the ovalbumin CD4(+) epitope, OVA323-339, as the model peptide antigen were synthesized using fluorenylmethyloxycarbonyl (Fmoc) solid phase peptide synthesis (SPPS). The vaccine constructs were designed with an alanine spacer between the O-linked mannose moieties to investigate the impact of distance between the mannose units on receptor-mediated uptake and/or binding in APCs. Uptake studies performed on F4/80(+) and CD11c(+) cells showed significant uptake and/or binding for lipopeptides containing mannose, and also the lipopeptide without mannose when compared to the control peptides (peptide with no lipid and peptide with no mannose and no lipid).
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CAS 117398-49-9 L-alanine-15N-N-FMOC

L-alanine-15N-N-FMOC
(CAS: 117398-49-9)

L-alanine-15N-N-FMOC is a labelled L-alanine-N-FMOC. Alanine is one of the non-essential amino acids for humans. Alanine is the key compound in glucose-alanine ...

Chemical Structure

CAS 117398-49-9 L-alanine-15N-N-FMOC

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