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Solution structure of the pore-forming region of C. elegans Mitochondrial Calcium Uniporter (MCU)
Authors
Oxenoid, K., Dong, Y., Cao, C., Cui, T., Sancak, Y., Markhard, A.L., Grabarek, Z., Kong, L., Liu, Z., Ouyang, B., Cong, Y., Mootha, V.K., Chou, J.J.
Assembly
Mitochondrial Calcium Uniporter
Entity
1. Mitochondrial Calcium Uniporter (polymer), 159 monomers, 18897.95 × 5 Da Detail

MAALSVDEYK LSREKKLLLQ LENAETLLAP LHDAKRKIEQ EAEAHTDRVA WAGFAASGVQ TGLFARLTWW EYSWDIVEPV TYFATYSTVA ATFGYYLYTQ QSFEYPSARE RVYTKQFYRR AQKQNFDIEK YNRLVTEVDE LRNQLKRLRD PLEHHHHHH


Total weight
94489.75 Da
Max. entity weight
18897.95 Da
Source organism
Caenorhabditis elegans
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 93.7 %, Completeness: 37.2 %, Completeness (bb): 72.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All37.2 % (722 of 1940)17.4 % (175 of 1006)53.3 % (406 of 762)82.0 % (141 of 172)
Backbone72.7 % (688 of 946)47.8 % (152 of 318)83.5 % (395 of 473)91.0 % (141 of 155)
Sidechain12.4 % (142 of 1149) 3.3 % (23 of 688)26.8 % (119 of 444) 0.0 % (0 of 17)
Aromatic 0.0 % (0 of 238) 0.0 % (0 of 119) 0.0 % (0 of 115) 0.0 % (0 of 4)
Methyl14.5 % (25 of 172) 7.0 % (6 of 86)22.1 % (19 of 86)

1. Mitochondrial Calcium Uniporter

MAALSVDEYK LSREKKLLLQ LENAETLLAP LHDAKRKIEQ EAEAHTDRVA WAGFAASGVQ TGLFARLTWW EYSWDIVEPV TYFATYSTVA ATFGYYLYTQ QSFEYPSARE RVYTKQFYRR AQKQNFDIEK YNRLVTEVDE LRNQLKRLRD PLEHHHHHH

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 (±0.01) atm, Temperature 306 (±0.2) K, pH 6.5 (±0.1), Details 0.8 mM [100% 13C; 100% 15N; 85% 2H] MCU-dNTD, 27 mM Foscholine-14, 20 mM MES, 75 mM NaCl, 2 mM EDTA, 0.3 mM NaN3, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
1EDTAnatural abundance2 (±1.0) mM
2Foscholine-14natural abundance27 (±5.0) mM
3MCU-dNTD[100% 13C; 100% 15N; 85% 2H]0.8 (±0.05) mM
4MESnatural abundance20 (±1.0) mM
5NaClnatural abundance75 (±1.0) mM
6NaN3natural abundance0.3 (±0.5) mM
7H2Onatural abundance95 %
8D2Onatural abundance5 %
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 (±0.01) atm, Temperature 306 (±0.2) K, pH 6.5 (±0.1), Details 0.8 mM [100% 13C; 100% 15N] MCU-dNTD, 27 mM [100% 2H at acyl chain] Foscholine-14, 20 mM MES, 75 mM NaCl, 2 mM EDTA, 0.3 mM NaN3, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
9EDTAnatural abundance2 (±1.0) mM
10Foscholine-14[100% 2H at acyl chain]27 (±5.0) mM
11MCU-dNTD[100% 13C; 100% 15N]0.8 (±0.05) mM
12MESnatural abundance20 (±1.0) mM
13NaClnatural abundance75 (±1.0) mM
14NaN3natural abundance0.3 (±0.5) mM
15H2Onatural abundance95 %
16D2Onatural abundance5 %
Sample #3

Solvent system 95% H2O/5% D2O, Pressure 1 (±0.01) atm, Temperature 306 (±0.2) K, pH 6.5 (±0.1), Details 0.4 mM [100% 15N; 100% 2H] MCU-dNTD, 0.4 mM [15% 13C] MCU-dNTD, 27 mM [100% 2H at acyl chain] Foscholine-14, 20 mM MES, 75 mM NaCl, 2 mM EDTA, 0.3 mM NaN3, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
17EDTAnatural abundance2 (±1.0) mM
18Foscholine-14[100% 2H at acyl chain]27 (±5.0) mM
19MCU-dNTD-1[100% 15N; 100% 2H]0.4 (±0.05) mM
20MCU-dNTD-2[15% 13C]0.4 (±0.05) mM
21MESnatural abundance20 (±1.0) mM
22NaClnatural abundance75 (±1.0) mM
23NaN3natural abundance0.3 (±0.5) mM
24H2Onatural abundance95 %
25D2Onatural abundance5 %

LACS Plot; CA
Referencing offset: -1.77 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -1.77 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: -1.04 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 15 models in PDB: 5ID3, Strand ID: A, B, C, D, E Detail


Release date
2016-05-22
Citation
Architecture of the mitochondrial calcium uniporter
Oxenoid, K., Dong, Y., Cao, C., Cui, T., Sancak, Y., Markhard, A.L., Grabarek, Z., Kong, L., Liu, Z., Ouyang, B., Cong, Y., Mootha, V.K., Chou, J.J.
Nature (2016), 533, 269-273, PubMed 27135929 , DOI 10.1038/nature17656 ,
Related entities 1. Mitochondrial Calcium Uniporter, : 1 : 31 entities Detail
Experiments performed 15 experiments Detail
NMR combined restraints 4 contents Detail
Keywords MPSbyNMR, Membrane Protein Structures by Solution NMR, N-terminal domain truncation, PSI-Biology, Structural Genomics, TRANSPORT PROTEIN, calcium channel, mitochondria, pentamer