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Backbone structure of human membrane protein TMEM14A
Authors
Eichmann, C., Klammt, C., Maslennikov, I., Kwiatkowski, W., Riek, R., Choe, S.
Assembly
TMEM14A
Entity
1. TMEM14A (polymer, Thiol state: all free), 108 monomers, 11720.18 Da Detail

MTSLYKKVGM DLIGFGYAAL VTFGSIFGYK RRGGVPSLIA GLFVGCLAGY GAYRVSNDKR DVKVSLFTAF FLATIMGVRF KRSKKIMPAG LVAGLSLMMI LRLVLLLL


Formula weight
11720.18 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 92.6 %, Completeness: 62.2 %, Completeness (bb): 87.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All62.2 % (797 of 1281)51.3 % (337 of 657)69.8 % (361 of 517)92.5 % (99 of 107)
Backbone87.9 % (566 of 644)87.7 % (200 of 228)86.5 % (268 of 310)92.5 % (98 of 106)
Sidechain43.1 % (315 of 731)31.9 % (137 of 429)58.8 % (177 of 301)100.0 % (1 of 1)
Aromatic 8.3 % (10 of 120)16.7 % (10 of 60) 0.0 % (0 of 60)
Methyl57.6 % (91 of 158)41.8 % (33 of 79)73.4 % (58 of 79)

1. entity

MTSLYKKVGM DLIGFGYAAL VTFGSIFGYK RRGGVPSLIA GLFVGCLAGY GAYRVSNDKR DVKVSLFTAF FLATIMGVRF KRSKKIMPAG LVAGLSLMMI LRLVLLLL

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-labeled protein


#NameIsotope labelingTypeConcentration
1TMEM14A[U-15N]0.2 mM
2MES-Bis-TRISnatural abundance20 mM
3LMPGnatural abundance2 %
4DSSnatural abundance0.5 mM
5H2Onatural abundance95 %
6D2Onatural abundance5 %
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-2H-labeled protein


#NameIsotope labelingTypeConcentration
7TMEM14A[U-15N; U-2H]0.2 mM
8MES-Bis-TRISnatural abundance20 mM
9LMPGnatural abundance2 %
10DSSnatural abundance0.5 mM
11H2Onatural abundance95 %
12D2Onatural abundance5 %
Sample #3

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-13C-labeled protein


#NameIsotope labelingTypeConcentration
13TMEM14A[U-15N; U-13C]0.2 mM
14MES-Bis-TRISnatural abundance20 mM
15LMPGnatural abundance2 %
16DSSnatural abundance0.5 mM
17H2Onatural abundance95 %
18D2Onatural abundance5 %
Sample #4

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-labeled single-cysteine mutants with paramagnetic spin-label (MTSL)


#NameIsotope labelingTypeConcentration
19TMEM14A[U-15N]0.2 mM
20MES-Bis-TRISnatural abundance20 mM
21LMPGnatural abundance2 %
22DSSnatural abundance0.5 mM
23H2Onatural abundance95 %
24D2Onatural abundance5 %
Sample #5

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-labeled single-cysteine mutants with diamagnetic analog of MTSL


#NameIsotope labelingTypeConcentration
25TMEM14A[U-15N]0.2 mM
26MES-Bis-TRISnatural abundance20 mM
27LMPGnatural abundance2 %
28DSSnatural abundance0.5 mM
29H2Onatural abundance95 %
30D2Onatural abundance5 %
Sample #6

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-labeled cysteine-free mutant protein


#NameIsotope labelingTypeConcentration
31TMEM14A[U-15N]0.2 mM
32MES-Bis-TRISnatural abundance20 mM
33LMPGnatural abundance2 %
34DSSnatural abundance0.5 mM
35H2Onatural abundance95 %
36D2Onatural abundance5 %
Sample #7

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 310 K, pH 6.0, Details U-15N-13C-2H-labeled protein


#NameIsotope labelingTypeConcentration
37TMEM14A[U-15N; U-13C; U-2H]0.2 mM
38MES-Bis-TRISnatural abundance20 mM
39LMPGnatural abundance2 %
40DSSnatural abundance0.5 mM
41H2Onatural abundance95 %
42D2Onatural abundance5 %

LACS Plot; CA
Referencing offset: 0.36 ppm, Outliers: 2 Detail
LACS Plot; CB
Referencing offset: 0.36 ppm, Outliers: 2 Detail
LACS Plot; HA
Referencing offset: 0.06 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 2.69 ppm, Outliers: 2 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2LOP, Strand ID: A Detail


Release date
2012-05-21
Citation
Facile backbone structure determination of human membrane proteins by NMR spectroscopy
Klammt, C., Maslennikov, I., Bayrhuber, M., Eichmann, C., Vajpai, N., Chiu, E., Blain, K.Y., Esquivies, L., Kwon, J., Balana, B., Pieper, U., Sali, A., Slesinger, P.A., Kwiatkowski, W., Riek, R., Choe, S.
Nat. Methods (2012), 9, 834-839, PubMed 22609626 , DOI 10.1038/nmeth.2033 ,
Related entities 1. TMEM14A, : 1 : 1 : 2 : 29 entities Detail
Interaction partners 1. TMEM14A, : 7 interactors Detail
Experiments performed 7 experiments Detail
NMR combined restraints 5 contents Detail
Keywords Backbone structure, Helical bundle, Homo sapiens, Membrane protein, Paramagnetic relaxation enhancement