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Solution Structure of the Cd-loaded form of a Metallothionein from Helix Pomatia
Authors
Zerbe, O., Jurt, S., Beil, A.
Assembly
Cadmium-metallothionein
Entity
1. Cadmium-metallothionein, entity 1 (polymer), 67 monomers, 6625.556 Da Detail

GSGKGKGEKC TSACRSEPCQ CGSKCQCGEG CTCAACKTCN CTSDGCKCGK ECTGPDSCKC GSSCSCK


2. Cadmium-metallothionein, entity CD (non-polymer), 112.411 × 6 Da
Total weight
7300.022 Da
Max. entity weight
6625.556 Da
Source organism
Helix pomatia
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 88.1 %, Completeness (bb): 81.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All88.1 % (563 of 639)97.9 % (330 of 337)73.1 % (171 of 234)91.2 % (62 of 68)
Backbone81.2 % (323 of 398)95.8 % (137 of 143)66.8 % (127 of 190)90.8 % (59 of 65)
Sidechain99.7 % (296 of 297)99.5 % (193 of 194)100.0 % (100 of 100)100.0 % (3 of 3)
Methyl100.0 % (16 of 16)100.0 % (8 of 8)100.0 % (8 of 8)

1. entity 1

GSGKGKGEKC TSACRSEPCQ CGSKCQCGEG CTCAACKTCN CTSDGCKCGK ECTGPDSCKC GSSCSCK

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1.0 atm, Temperature 298 (±0.2) K, pH 7.0 (±0.1), Details 0.5mM protein, [U-13C,15N], 10 mM [U-2H] TRIS, 1 mM TSP, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1entity_1[U-13C; U-15N]0.5 mM
2TRIS[U-2H]10 (±1.0) mM
3TSPnone1 (±0.1) mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1.0 atm, Temperature 298 (±0.2) K, pH 7.0 (±0.1), Details 0.5mM protein, [U-13C,15N], 10 mM [U-2H] TRIS, 1 mM TSP, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
4entity_1[U-13C; U-15N]0.5 mM
5TRIS[U-2H]10 (±1.0) mM
6TSPnone1 (±0.1) mM

LACS Plot; CA
Referencing offset: 0.34 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.34 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.04 ppm, Outliers: 2 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 6QK6, Strand ID: A Detail


Release date
2019-12-08
Citation
The Solution Structure and Dynamics of Cd-Metallothionein from Helix pomatia Reveal Optimization for Binding Cd over Zn
Beil, A., Jurt, S., Walser, R., Schonhut, T., Guntert, P., Palacios, O., Atrian, S., Capdevila, M., Dallinger, R., Zerbe, O.
Biochemistry (2019), 58, 4570-4581, PubMed 31633358 , DOI 10.1021/acs.biochem.9b00830 ,
Related entities 1. Cadmium-metallothionein, entity 1, : 1 : 1 : 1 : 15 entities Detail
Experiments performed 12 experiments Detail
Chemical shift validation 4 contents Detail
Keywords Cadmium protein, Helix pomatia, METAL BINDING PROTEIN, metallothionein, snail protein