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Journal articles on the topic '15N Labeling'

Author: Grafiati

Published: 1 July 2021

Last updated: 29 July 2025

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1

Mylne, Joshua S., and David J. Craik. "15N cyclotides by whole plant labeling." Biopolymers 90, no. 4 (2008): 575–80. http://dx.doi.org/10.1002/bip.21012.

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2

Breza, Martin, and Anton Gatial. "Quantum-chemical studies of infrared spectra of ¹⁵N labeled diazene isomers." Acta Chimica Slovaca 17, no. 1 (2024): 63–67. http://dx.doi.org/10.2478/acs-2024-0008.

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Abstract The geometry of trans-HN=NH, cis-HN=NH and N=NH2 containing no, one or two 15N labeled atoms was optimized. The corresponding infrared vibrations were evaluated using a linear scaling factor. For each of these compounds at least one vibration can be found, which enables to distinguish between heteroisotopic 14N=15N and homoisotopic 14N=14N or 15N=15N species. Independent of the 15N labeling, only trans-conformation should be found in the reaction mixture under equilibrium conditions.

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3

Xie, Wancui, Min Li, Lin Song, et al. "15N Stable Isotope Labeling PSTs in Alexandrium minutum for Application of PSTs as Biomarker." Toxins 11, no. 4 (2019): 211. http://dx.doi.org/10.3390/toxins11040211.

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The dinoflagellate Alexandrium minutum (A. minutum) which can produce paralyticshellfish toxins (PSTs) is often used as a model to study the migration, biotransformation,accumulation, and removal of PSTs. However, the mechanism is still unclear. To provide a new toolfor related studies, we tried to label PSTs metabolically with 15N stable isotope to obtain 15N-PSTsinstead of original 14N, which could be treated as biomarker on PSTs metabolism. We then culturedthe A. minutum AGY-H46 which produces toxins GTX1-4 in f/2 medium of different 15N/Pconcentrations. The 15N-PSTs’ toxicity and toxin pro

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4

Sun, Zhaoan, Shuxia Wu, Biao Zhu, et al. "Variation of 13C and 15N enrichments in different plant components of labeled winter wheat (Triticum aestivum L.)." PeerJ 7 (October 2, 2019): e7738. http://dx.doi.org/10.7717/peerj.7738.

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Information on the homogeneity and distribution of 13carbon (13C) and nitrogen (15N) labeling in winter wheat (Triticum aestivum L.) is limited. We conducted a dual labeling experiment to evaluate the variability of 13C and 15N enrichment in aboveground parts of labeled winter wheat plants. Labeling with 13C and 15N was performed on non-nitrogen fertilized (−N) and nitrogen fertilized (+N, 250 kg N ha−1) plants at the elongation and grain filling stages. Aboveground parts of wheat were destructively sampled at 28 days after labeling. As winter wheat growth progressed, δ13C values of wheat ears

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5

Deev, Sergey L., Igor A. Khalymbadzha, Tatyana S. Shestakova, Valery N. Charushin, and Oleg N. Chupakhin. "15N labeling and analysis of 13C–15N and 1H–15N couplings in studies of the structures and chemical transformations of nitrogen heterocycles." RSC Advances 9, no. 46 (2019): 26856–79. http://dx.doi.org/10.1039/c9ra04825a.

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This review provides a generalization of effective examples of <sup>15</sup>N labeling followed by an analysis of J<sub>CN</sub> and J<sub>HN</sub> couplings in solution as a tool to study the structural aspects and pathways of chemical transformations in nitrogen heterocycles.

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6

Ambrosano, Edmilson José, Paulo Cesar Ocheuze Trivelin, Heitor Cantarella, et al. "Nitrogen-15 labeling of Crotalaria juncea green manure." Scientia Agricola 60, no. 1 (2003): 181–84. http://dx.doi.org/10.1590/s0103-90162003000100027.

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Most studies dealing with the utilization of 15N labeled plant material do not present details about the labeling technique. This is especially relevant for legume species since biological nitrogen fixation difficults plant enrichment. A technique was developed for labeling leguminous plant tissue with 15N to obtain labeled material for nitrogen dynamics studies. Sun hemp (Crotalaria juncea L.) was grown on a Paleudalf, under field conditions. An amount of 58.32 g of urea with 70.57 ± 0.04 atom % 15N was sprayed three times on plants grown on eight 6-m²-plots. The labelled material presented 2

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7

Heikkinen, Harri A., Sofia M. Backlund, and Hideo Iwaï. "NMR Structure Determinations of Small Proteins Using only One Fractionally 20% 13C- and Uniformly 100% 15N-Labeled Sample." Molecules 26, no. 3 (2021): 747. http://dx.doi.org/10.3390/molecules26030747.

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Uniformly 13C- and 15N-labeled samples ensure fast and reliable nuclear magnetic resonance (NMR) assignments of proteins and are commonly used for structure elucidation by NMR. However, the preparation of uniformly labeled samples is a labor-intensive and expensive step. Reducing the portion of 13C-labeled glucose by a factor of five using a fractional 20% 13C- and 100% 15N-labeling scheme could lower the total chemical costs, yet retaining sufficient structural information of uniformly [13C, 15N]-labeled sample as a result of the improved sensitivity of NMR instruments. Moreover, fractional 1

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8

Zhang, Chunchao, Yifan Liu, and Philip C. Andrews. "Quantification of histone modifications using 15N metabolic labeling." Methods 61, no. 3 (2013): 236–43. http://dx.doi.org/10.1016/j.ymeth.2013.02.004.

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9

Li, Caibin, Shuai Ding, Chenghang Du, et al. "The Transformation Dynamics and Homogeneity of Different N Fractions in Compost following Glucose Addition." Agriculture 11, no. 10 (2021): 971. http://dx.doi.org/10.3390/agriculture11100971.

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The application of compost to soil is a common fertilization practice for improving soil quality and crop growth. The isotopic labeling technique is mostly used to investigate the contribution of compost N to crop uptake. However, compost N includes various N fractions and labeling dissimilarity, which may cause bias when calculating the compost N contribution to plants. Therefore, the labeling dynamics of different N fractions in compost and the homogenous labeling time point should be clarified. Given the 15N-labeling in chemical fertilizer and the carbon source, i.e., glucose, the compost N

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10

Pavlik, James W., Chuchawin Changtong, and Vikki M. Tsefrikas. "Photochemistry of Phenyl-Substituted 1,2,4-Thiadiazoles.15N-Labeling Studies‡." Journal of Organic Chemistry 68, no. 12 (2003): 4855–61. http://dx.doi.org/10.1021/jo0340915.

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11

Levic, Jasmin, and Ronald Micura. "Syntheses of 15N-labeled pre-queuosine nucleobase derivatives." Beilstein Journal of Organic Chemistry 10 (August 18, 2014): 1914–18. http://dx.doi.org/10.3762/bjoc.10.199.

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Pre-queuosine or queuine (preQ1) is a guanine derivative that is involved in the biosynthetic pathway of the hypermodified tRNA nucleoside queuosine (Que). The core structure of preQ1 is represented by 7-(aminomethyl)-7-deazaguanine (preQ1 base). Here, we report the synthesis of three preQ1 base derivatives with complementary 15N-labeling patterns, utilizing [15N]-KCN, [15N]-phthalimide, and [15N3]-guanidine as cost-affordable 15N sources. Such derivatives are required to explore the binding process of the preQ1 base to RNA targets using advanced NMR spectroscopic methods. PreQ1 base specifica

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12

Castillo, L., L. Beaumier, A. M. Ajami, and V. R. Young. "Whole body nitric oxide synthesis in healthy men determined from [15N] arginine-to-[15N]citrulline labeling." Proceedings of the National Academy of Sciences 93, no. 21 (1996): 11460–65. http://dx.doi.org/10.1073/pnas.93.21.11460.

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13

McClatchy, Daniel B., Meng-Qiu Dong, Christine C. Wu, John D. Venable, and John R. Yates. "15N Metabolic Labeling of Mammalian Tissue with Slow Protein Turnover." Journal of Proteome Research 6, no. 5 (2007): 2005–10. http://dx.doi.org/10.1021/pr060599n.

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14

Lopukhov, L. V., A. A. Ponomareva, and L. O. Yagodina. "Selective 15N labeling of barstar in a T7 polymerase system." Biophysics 52, no. 1 (2007): 13–15. http://dx.doi.org/10.1134/s0006350907010034.

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15

Nasuno, Ryo, Yuki Yoshikawa, and Hiroshi Takagi. "The analytical method to identify the nitrogen source for nitric oxide synthesis." Bioscience, Biotechnology, and Biochemistry 85, no. 2 (2020): 211–14. http://dx.doi.org/10.1093/bbb/zbaa046.

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ABSTRACT Nitric oxide (NO) is a ubiquitous signaling molecule synthesized from various nitrogen sources. An analytical method to identify a nitrogen source for NO generation was developed using liquid chromatography with tandem mass spectrometry in combination with stable isotope labeling. Our method successfully detected the 15N-labeled NO-containing compound generated from 15N-labeled substrate nitrite in vitro and in vivo.

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16

Kamaike, Kazuo, Mitsuhisa Isobe, Yoshihiro Kayama, and Etsuko Kawashima. "Efficient Synthesis of [2-15N]Guanosine and 2′-Deoxy[2′-15N]Guanosine Derivatives Using N-(tert-Butyldimethylsilyl)[15N]Phthalimide as a15N-Labeling Reagent." Nucleosides, Nucleotides and Nucleic Acids 25, no. 1 (2006): 29–35. http://dx.doi.org/10.1080/15257770500377771.

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17

Stahl, Vanessa Maliya, Wolfram Beyschlag, and Christiane Werner. "Dynamic niche sharing in dry acidic grasslands -a 15N-labeling experiment." Plant and Soil 344, no. 1-2 (2011): 389–400. http://dx.doi.org/10.1007/s11104-011-0758-2.

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18

Kupferschmitt, G., J. Schmidt, Th Schmidt, B. Fera, F. Buck, and H. Riiterjans. "15N labeling of oligodeoxynucleotides for NMR studies of DNA-ligand interactions." Nucleic Acids Research 15, no. 15 (1987): 6225–41. http://dx.doi.org/10.1093/nar/15.15.6225.

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19

Scott, David E., Yurena Yanes, Betsie B. Rothermel, Melissa Pilgrim, and Christopher S. Romanek. "Efficacy of Labeling Wetlands with Enriched 15N to Determine Amphibian Dispersal." Wetlands 35, no. 2 (2015): 349–56. http://dx.doi.org/10.1007/s13157-015-0624-8.

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20

Marchant, Hannah K., Wiebke Mohr, and Marcel MM Kuypers. "Recent advances in marine N-cycle studies using 15N labeling methods." Current Opinion in Biotechnology 41 (October 2016): 53–59. http://dx.doi.org/10.1016/j.copbio.2016.04.019.

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21

Lanquar, Viviane, Lauriane Kuhn, Françoise Lelièvre, et al. "15N-Metabolic labeling for comparative plasma membrane proteomics in Arabidopsis cells." PROTEOMICS 7, no. 5 (2007): 750–54. http://dx.doi.org/10.1002/pmic.200600791.

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22

Venters, Ronald A., Chih-Chin Huang, Bennett T. Farmer, Ronald Trolard, Leonard D. Spicer, and Carol A. Fierke. "High-level 2H/13C/15N labeling of proteins for NMR studies." Journal of Biomolecular NMR 5, no. 4 (1995): 339–44. http://dx.doi.org/10.1007/bf00182275.

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23

Sugoro, I., Y. Maharani, M. Hanani, et al. "Labelling of corn as forage for ruminants using isotope ¹⁵N." IOP Conference Series: Earth and Environmental Science 902, no. 1 (2021): 012010. http://dx.doi.org/10.1088/1755-1315/902/1/012010.

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Abstract In vitro and in vivo testing for ruminant feed efficiency can be done by utilizing the stable isotope Nitrogen-15 (15N) as a tracer. Feed can be traced by labeling the forage using isotope 15N. Feed crops are labeled using an isotope 15N-enriched fertilizer. The critical thing to note is to know the content of isotopes 15N in the part of forage feed plants that have been labeled. This research aims to know the effect of urea fertilizer on the percent of atom excess 15N on corn. Corn are labeled using urea enriched with isotopes 15N in the form of urea fertilizer (10% excess atom 15N)

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24

Chugh, Jeetender, and Ramakrishna V. Hosur. "Spectroscopic labeling of A, S/T in the 1H–15N HSQC spectrum of uniformly (15N–13C) labeled proteins." Journal of Magnetic Resonance 194, no. 2 (2008): 289–94. http://dx.doi.org/10.1016/j.jmr.2008.07.022.

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25

Filiou, Michaela D., Magdalena Soukupova, Christiane Rewerts, Christian Webhofer, Chris W. Turck, and Giuseppina Maccarrone. "Variability assessment of 15N metabolic labeling-based proteomics workflow in mouse plasma and brain." Molecular BioSystems 11, no. 6 (2015): 1536–42. http://dx.doi.org/10.1039/c4mb00702f.

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26

Shortle, D. "Assignment of Amino Acid Type in 1H-15N Correlation Spectra by Labeling with 14N-Amino Acids." Journal of Magnetic Resonance, Series B 105, no. 1 (1994): 88–90. http://dx.doi.org/10.1006/jmrb.1994.1106.

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27

Hamadeh, Mazen J., and L. John Hoffer. "Effect of protein restriction on15N transfer from dietary [15N]alanine and [15N]Spirulina platensisinto urea." American Journal of Physiology-Endocrinology and Metabolism 281, no. 2 (2001): E349—E356. http://dx.doi.org/10.1152/ajpendo.2001.281.2.e349.

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Six normal men consumed a mixed test meal while adapted to high (1.5 g · kg−1· day−1) and low (0.3 g · kg−1· day−1) protein intakes. They completed this protocol twice: when the test meals included 3 mg/kg of [15N]alanine ([15N]Ala) and when they included 30 mg/kg of intrinsically labeled [15N] Spirulina platensis([15N]SPI). Six subjects with insulin-dependent diabetes mellitus (IDDM) receiving conventional insulin therapy consumed the test meal with added [15N]Ala while adapted to their customary high-protein diet. Protein restriction increased serum alanine, glycine, glutamine, and methionin

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28

Kimura, Yukihiro, Michie Imanishi, Yong Li, et al. "Identification of metal-sensitive structural changes in the Ca²⁺-binding photocomplex from Thermochromatium tepidum by isotope-edited vibrational spectroscopy." Journal of Chemical Physics 156, no. 10 (2022): 105101. http://dx.doi.org/10.1063/5.0075600.

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Calcium ions play a dual role in expanding the spectral diversity and structural stability of photocomplexes from several Ca2+-requiring purple sulfur phototrophic bacteria. Here, metal-sensitive structural changes in the isotopically labeled light-harvesting 1 reaction center (LH1-RC) complexes from the thermophilic purple sulfur bacterium Thermochromatium ( Tch.) tepidum were investigated by perfusion-induced attenuated total reflection (ATR) Fourier transform infrared (FTIR) spectroscopy. The ATR-FTIR difference spectra induced by exchanges between native Ca2+ and exogenous Ba2+ exhibited i

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29

Arcand, Melissa M., J. Diane Knight, and Richard E. Farrell. "Temporal dynamics of nitrogen rhizodeposition in field pea as determined by 15N labeling." Canadian Journal of Plant Science 93, no. 5 (2013): 941–50. http://dx.doi.org/10.4141/cjps2013-050.

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Arcand, M. M., Knight, J. D. and Farrell, R. E. 2013. Temporal dynamics of nitrogen rhizodeposition in field pea as determined by 15 N labeling. Can. J. Plant Sci. 93: 941–950. Assessing the contribution of symbiotically fixed N2 to soil from pulse crops necessitates a full accounting of the total crop residue N remaining in the field after seed harvest. Below-ground N, including root and rhizodeposit N, comprises an important component of this total plant N balance – without it the N input to soil is underestimated. Under controlled conditions in a greenhouse, N in intact roots and N rhizodep

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30

Shmyreva, N. Ya, A. A. Zavalin, O. A. Sokolov, and V. A. Litvinsky. "Nitrogen Consumption in a Second-Year Perennial Legume–Grass Mixture (15N Labeling)." Russian Agricultural Sciences 45, no. 5 (2019): 449–52. http://dx.doi.org/10.3103/s1068367419050148.

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31

Nakabayashi, Ryo, Tetsuya Mori, Noriko Takeda, et al. "Metabolomics with 15N Labeling for Characterizing Missing Monoterpene Indole Alkaloids in Plants." Analytical Chemistry 92, no. 8 (2020): 5670–75. http://dx.doi.org/10.1021/acs.analchem.9b03860.

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32

Whalen, J. "Labeling earthworms uniformly with 13C and 15N: implications for monitoring nutrient fluxes." Soil Biology and Biochemistry 34, no. 12 (2002): 1913–18. http://dx.doi.org/10.1016/s0038-0717(02)00207-9.

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33

Curley, Robert W., Michael J. Panigot, Andrew P. Hansen, and Stephen W. Fesik. "Stereospecific assignments of glycine in proteins by stereospecific deuteration and 15N labeling." Journal of Biomolecular NMR 4, no. 3 (1994): 335–40. http://dx.doi.org/10.1007/bf00179344.

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34

Milecki, Jan. "ChemInform Abstract: Specific Labeling of Nucleosides and Nucleotides with 13C and 15N." ChemInform 33, no. 42 (2010): no. http://dx.doi.org/10.1002/chin.200242262.

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35

Sitarska, Agnieszka, Lukasz Skora, Julia Klopp, et al. "Affordable uniform isotope labeling with 2H, 13C and 15N in insect cells." Journal of Biomolecular NMR 62, no. 2 (2015): 191–97. http://dx.doi.org/10.1007/s10858-015-9935-6.

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36

Radke, Michael, Willi Heine, Klaus D. Wutzke, Peter Leitzmann, and Frank Walther. "Tracer Kinetic Studies on a Methionine‐Supplemented Soy‐Based Infant Formula Using 1‐¹³C‐ and ¹⁵N‐Methionine as Tracers." Journal of Pediatric Gastroenterology and Nutrition 21, no. 2 (1995): 209–14. http://dx.doi.org/10.1002/j.1536-4801.1995.tb11770.x.

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Summary:A tracer‐kinetic study using 1‐13C‐ and 15N‐labeled L‐methionine was conducted in order to measure the retention rate of free methionine added to commercially‐produced soy‐based infant formulas. Twelve male infants, fed on a soy formula, received a single‐pulse labeling by oral administration of L‐1‐13C‐methionine (5 mg/kg) and L‐15N‐methionine (10mg/kg). The abundance of expired 13C‐labeled CO2 was measured up to 7 h after administration at 15‐, 30‐, and 60‐min intervals. Additionally, enrichment of total 15N and 15N in urinary ammonia were determined up to 48 h after administration.

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37

Taiwo, Kehinde M., Lukasz T. Olenginski, Felix Nußbaumer, et al. "Synthesis of [7-15N]-GTPs for RNA structure and dynamics by NMR spectroscopy." Monatshefte für Chemie - Chemical Monthly 153, no. 3 (2022): 293–99. http://dx.doi.org/10.1007/s00706-022-02892-1.

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AbstractSeveral isotope-labeling strategies have been developed for the study of RNA by nuclear magnetic resonance (NMR) spectroscopy. Here, we report a combined chemical and enzymatic synthesis of [7-15N]-guanosine-5′-triphosphates for incorporation into RNA via T7 RNA polymerase-based in vitro transcription. We showcase the utility of these labels to probe both structure and dynamics in two biologically important RNAs. Graphical abstract

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38

Blunt, JW, MP Hartshorn, RG Jensen, AG Waller, and GJ Wright. "15N Labeling Studies of the Reactions of 4-t-Butyl-2,6-dimethyl-4-nitrocyclohexa-2,5-dienone and 2,4-Di-t-butyl-6-methyl-4-nitrocyclohexa-2,5-dienone With Nitrogen-Dioxide; the Mechanism of Formation of 2,5,6-Trinitrocyclohex-3-enones." Australian Journal of Chemistry 42, no. 5 (1989): 675. http://dx.doi.org/10.1071/ch9890675.

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Reaction of the 15N-labelled 4-nitro dienone (15b) with nitrogen dioxide in benzene gives the 2,5,6-trinitrocyclohex-3-enones (19), (20), (22) and (24) with retention of some 15N-label at C6. Similar reaction of 15N-labelled 4-nitro dienone (18b) gives the 2,5,6-trinitrocyclohex-3-enones (30), (31), (34) and (38), and the 2-hydroxy-5,6- dinitrocyclohex-3-enones (33) and (37) all with retention of some 15N-label at C6. These results are rationalized in terms of 2,5-addition of nitrogen dioxide to corresponding intermediate 6-nitro dienones (27) and (40).

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39

Zhou, Mingxin, and Yibo Li. "Long-Term Nitrogen Addition Regulates Plant-Soil 15N–13C Coupling Through Species Traits and Temporal-Spatial Dynamics in a Temperate Forest." Forests 16, no. 7 (2025): 1046. https://doi.org/10.3390/f16071046.

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Nitrogen deposition is a critical driver of plant-soil interactions in forest ecosystems. However, the species-specific coordination of nitrogen uptake and carbon assimilation—traced using 15N- and 13C-labeled compounds—under varying nitrogen forms, depths, and time points remains poorly understood. We conducted a dual-isotope (15NH4Cl, K15NO3, and Na213CO3) labeling experiment in a temperate secondary forest to investigate nutrient uptake and carbon assimilation in three understory species—Carex siderosticta, Maianthemum bifolium, and Oxalis acetosella—across three nitrogen treatments (contro

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40

Berditsch, Marina, Sergii Afonin, Anna Steineker, et al. "Fermentation and Cost-Effective13C/15N Labeling of the Nonribosomal Peptide Gramicidin S for Nuclear Magnetic Resonance Structure Analysis." Applied and Environmental Microbiology 81, no. 11 (2015): 3593–603. http://dx.doi.org/10.1128/aem.00229-15.

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ABSTRACTGramicidin S (GS) is a nonribosomally synthesized decapeptide fromAneurinibacillus migulanus. Its pronounced antibiotic activity is attributed to amphiphilic structure and enables GS interaction with bacterial membranes. Despite its medical use for over 70 years, the peptide-lipid interactions of GS and its molecular mechanism of action are still not fully understood. Therefore, a comprehensive structural analysis of isotope-labeled GS needs to be performed in its biologically relevant membrane-bound state, using advanced solid-state nuclear magnetic resonance (NMR) spectroscopy. Here,

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41

Coursindel, Thibault, Daniel Farran, Jean Martinez, and Georges Dewynter. "[15N]-Isotopic labeling: a suitable tool to study the reactivity of bis lactams." Tetrahedron Letters 49, no. 5 (2008): 906–9. http://dx.doi.org/10.1016/j.tetlet.2007.11.159.

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42

Quan, Zhi, Bin Huang, Caiyan Lu, et al. "Formation of extractable organic nitrogen in an agricultural soil: A 15N labeling study." Soil Biology and Biochemistry 118 (March 2018): 161–65. http://dx.doi.org/10.1016/j.soilbio.2017.12.015.

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43

May, Daniel S., Camila M. Crnkovic, Aleksej Krunic, Tyler A. Wilson, James R. Fuchs, and Jimmy E. Orjala. "15N Stable Isotope Labeling and Comparative Metabolomics Facilitates Genome Mining in Cultured Cyanobacteria." ACS Chemical Biology 15, no. 3 (2020): 758–65. http://dx.doi.org/10.1021/acschembio.9b00993.

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44

Baxter, Susan M., Terry L. Boose, and Jacquelyn S. Fetrow. "15N Isotopic Labeling and Amide Hydrogen Exchange Rates of Oxidized Iso-1-cytochromec." Journal of the American Chemical Society 119, no. 41 (1997): 9899–900. http://dx.doi.org/10.1021/ja971337c.

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45

Tanio, Michikazu, Takeshi Tanaka, and Toshiyuki Kohno. "15N isotope labeling of a protein secreted by Brevibacillus choshinensis for NMR study." Analytical Biochemistry 373, no. 1 (2008): 164–66. http://dx.doi.org/10.1016/j.ab.2007.10.011.

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46

XU, Y. Z., V. RAMESH, and P. F. SWANN. "ChemInform Abstract: Site-Specific 15N-Labeling of Adenine in DNA for NMR Studies." ChemInform 27, no. 37 (2010): no. http://dx.doi.org/10.1002/chin.199637102.

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47

Li, Tiansheng. "Investigation of protein–protein interactions by isotope‒edited Fourier transformed infrared spectroscopy." Spectroscopy 18, no. 3 (2004): 397–406. http://dx.doi.org/10.1155/2004/173460.

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Recent advance in FTIR spectroscopy has shown the usefulness of13C uniform isotope labeling in proteins to study protein–protein interactions.13C uniform isotope labeling can significantly resolve the spectral overlap in the amide I/I′ region in the spectra of protein–protein complexes, and therefore allows more accurate determination of secondary structures of individual protein component in the complex than does the conventional FTIR spectroscopy. Only a limited number of biophysical techniques can be used effectively to obtain structural information of large protein–protein complex in solut

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48

Rodriguez, E., and N. R. Krishna. "An Economical Method for 15N/13C Isotopic Labeling of Proteins Expressed in Pichia pastoris." Journal of Biochemistry 130, no. 1 (2001): 19–22. http://dx.doi.org/10.1093/oxfordjournals.jbchem.a002957.

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49

Voges, Raphael, and Stephan Noack. "Quantification of proteome dynamics in Corynebacterium glutamicum by 15N-labeling and selected reaction monitoring." Journal of Proteomics 75, no. 9 (2012): 2660–69. http://dx.doi.org/10.1016/j.jprot.2012.03.020.

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Skawinski, William J., Foluso Adebodun, Jung T. Cheng, Frank Jordan, and Richard Mendelsohn. "Labeling of tyrosines in proteins with [15N]tetranitromethane, a new NMR reporter for nitrotyrosines." Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology 1162, no. 3 (1993): 297–308. http://dx.doi.org/10.1016/0167-4838(93)90294-2.

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