NMR- data [1] of Methionine:
Atom | Atomtyp | Chemical shift [ppm]1 | Random Coil chem. shift3 |
Random Coil chem. shift4 |
|||
---|---|---|---|---|---|---|---|
average | standard deviation | entries2 | |||||
H | H | 8.260 | 0.625 | 16373 | 8.28 | 8.25 | |
Hα | H | 4.423 | 2.756 | 12988 | 4.48 | 4.82 | |
Hβ2 | H | 2.021 | 0.632 | 11698 | 2.11 | 2.04 | |
Hβ3 | H | 1.990 | 0.563 | 11022 | 2.01 | 1.97 | |
Hγ2 | H | 2.35 | 1.633 | 10823 | 2.60 | 2.63 | |
Hγ3 | H | 2.338 | 1.763 | 10200 | 2.54 | 2.56 | |
Hε | H | 1.733 | 1.786 | 7978 | 2.10 | 2.12 | |
C | C | 176.138 | 3.854 | 10752 | 176.3 | 174.6 | |
Cα | C | 56.129 | 2.338 | 15138 | 55.4 | 53.3 | |
Cβ | C | 32.988 | 2.508 | 14032 | 32.9 | 32.4 | |
Cγ | C | 32.046 | 1.706 | 9038 | 32.0 | 32.0 | |
Cε | C | 17.206 | 2.736 | 7031 | 16.9 | 17.0 | |
N | N | 120.064 | 4.873 | 15555 | 119.6 | 120.7 | |
proportion of proteins | pK2 COOH | pK1COOH | isoelectrical point | pK1NH2 | pK2NH2 | ||
1.7% | – | 2.28 | 5.74 | 9.21 | – | ||
CAS- number | molar mass | formula | density | melting point | solubility | ||
|
149,21 g·mol−1 | C5H11NO2S | 1,34 g·cm−3 | 280–281 °C (decomposition) | in water: 48 g·l−1 (20 °C) |
1 Depending on the type of atom it was 1H, 13C or 15N chemical shift. 1H und 13C relative to TMS and 15N relative to liquid ammonia
2 Number of individual chemical shift data for averaging according to [2]
3 with Alanine as neighborhood in the hexapeptide Gly-Gly-X-Ala-Gly-Gly [3]
4 with Proline as neighborhood in the hexapeptide Gly-Gly-X-Pro-Gly-Gly [3]
5 standard deviation
3D- Modell
sources:
[1] “BioMagResBank”, Eldon L. Ulrich; Hideo Akutsu; Jurgen F. Doreleijers; Yoko Harano; Yannis E. Ioannidis; Jundong Lin; Miron Livny; Steve Mading; Dimitri Maziuk; Zachary Miller; Eiichi Nakatani; Christopher F. Schulte; David E. Tolmie; R. Kent Wenger; Hongyang Yao; John L. Markley; Nucleic Acids Research 36, D402-D408 (2008) doi: 10.1093/nar/gkm957
[2] http://www.bmrb.wisc.edu/ last visit march 2017
[3] David S. Wishart, Colin G. Bigam, Arne Holm, Robert S. Hodges, Brian D. Sykes; Journal of Biomolecular NMR
January 1995, Volume 5, Issue 1, pp 67-81 doi:10.1007/BF00227471
[4] Wikipedia http://de.wikipedia.org/wiki/Aminos%C3%A4uren (last visit january 2014)
[5] Wikipedia http://de.wikipedia.org/wiki/Asparagin (last visit january 2014)
3D Mol: Nicholas Rego and David Koes
3Dmol.js: molecular visualization with WebGL
Bioinformatics (2015) 31 (8): 1322-1324 doi:10.1093/bioinformatics/btu829