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NMR solution structure of the aromatic mutant H43F H67F cytochrome b5
Authors
Swati, B., Siddhartha, P.S.
Assembly
Cytochrome b5
Entity
1. Cytochrome b5 (polymer, Thiol state: not present), 98 monomers, 11257.29 Da Detail

AEQSDKDVKY YTLEEIQKHK DSKSTWVILH HKVYDLTKFL EEFPGGEEVL REQAGGDATE NFEDVGFSTD ARELSKKYII GELHPDDRSK IAKPSETL


Formula weight
11257.29 Da
Source organism
Rattus norvegicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 98.0 %, Completeness: 70.6 %, Completeness (bb): 90.4 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All70.6 % (818 of 1158)69.1 % (418 of 605)69.1 % (313 of 453)87.0 % (87 of 100)
Backbone90.4 % (526 of 582)92.0 % (183 of 199)89.6 % (258 of 288)89.5 % (85 of 95)
Sidechain56.0 % (374 of 668)57.9 % (235 of 406)53.3 % (137 of 257)40.0 % (2 of 5)
Aromatic38.0 % (38 of 100)74.0 % (37 of 50) 0.0 % (0 of 49)100.0 % (1 of 1)
Methyl72.3 % (68 of 94)85.1 % (40 of 47)59.6 % (28 of 47)

1. Cytochrome b5

AEQSDKDVKY YTLEEIQKHK DSKSTWVILH HKVYDLTKFL EEFPGGEEVL REQAGGDATE NFEDVGFSTD ARELSKKYII GELHPDDRSK IAKPSETL

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 283 K, pH 7, Details 0.5 mM [U-99% 15N] FFcytb5, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1FFcytb5[U-99% 15N]protein0.5 mM
2H2Onatural abundancesolvent90 %
3D2O[U-2H]solvent10 %
4potassium phosphatenatural abundancebuffer20 mM
5sodium chloridenatural abundancesalt20 mM
6Proline+Arginine+Glutamatenatural abundancesalt20 mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 283 K, pH 7, Details 0.5 mM [U-13C; U-15N] FFcytb5, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
7FFcytb5[U-13C; U-15N]protein0.5 mM
8H2Onatural abundancesolvent90 %
9D2O[U-2H]solvent10 %
10potassium phosphatenatural abundancebuffer20 mM
11sodium chloridenatural abundancesalt20 mM
12Proline+Arginine+Glutamatenatural abundancesalt20 mM
Sample #3

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 283 K, pH 7, Details 0.5 mM [U-13C; U-15N; U-2H] FFcytb5, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
13FFcytb5[U-13C; U-15N; U-2H]protein0.5 mM
14H2Onatural abundancesolvent90 %
15D2O[U-2H]solvent10 %
16potassium phosphatenatural abundancebuffer20 mM
17sodium chloridenatural abundancesalt20 mM
18Proline+Arginine+Glutamatenatural abundancesalt20 mM

LACS Plot; CA
Referencing offset: -0.2 ppm, Outliers: 3 Detail
LACS Plot; CB
Referencing offset: -0.2 ppm, Outliers: 3 Detail
LACS Plot; HA
Referencing offset: 0.0 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: -0.18 ppm, Outliers: 2 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 5XEE, Strand ID: A Detail


Release date
2017-06-06
Citation
Engineering Aromatic-Aromatic Interactions To Nucleate Folding in Intrinsically Disordered Regions of Proteins
Balakrishnan, S., Sarma, S.P.
Biochemistry (2017), 56, 4346-4359, PubMed 28738155 , DOI 10.1021/acs.biochem.7b00437 ,
Related entities 1. Cytochrome b5, : 1 : 1 : 16 : 161 entities Detail
Interaction partners 1. Cytochrome b5, : 1 interactors Detail
Experiments performed 10 experiments Detail
NMR combined restraints 6 contents Detail
Keywords ELECTRON TRANSPORT, aromatic interaction