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Solution structure of the circular g-domain analog from the wheat metallothionein Ec-1
Authors
Tarasava, K., Johannsen, S., Freisinger, E.
Assembly
circular g-domain analog from the wheat metallothionein Ec-1
Entity
1. cyc-gEc1 (polymer, Thiol state: all other bound), 31 monomers, 2789.116 Da Detail

AGCDDKCGCA VPCPGGTGCR CTSARSGGAA G


2. circular g-domain analog from the wheat metallothionein Ec-1, entity CD (non-polymer), 112.411 × 2 Da
Total weight
3013.938 Da
Max. entity weight
2789.116 Da
Entity Connection
peptide 1, metal coordination 9 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1metal coordinationsing1:CYS3:SG2:CD1:CD
2metal coordinationsing1:CYS9:SG2:CD1:CD
3metal coordinationsing1:CYS13:SG2:CD1:CD
4metal coordinationsing1:CYS19:SG2:CD1:CD
5metal coordinationsing1:CYS3:SG2:CD1:CD
6metal coordinationsing1:CYS7:SG2:CD1:CD
7metal coordinationsing1:CYS9:SG2:CD1:CD
8metal coordinationsing1:CYS21:SG2:CD1:CD
9metal coordinationsing1:GLY31:O2:CD1:CD
10peptidesing1:GLY31:C1:ALA1:N

Source organism
Triticum aestivum
Exptl. method
solution NMR
Refine. method
molecular dynamics, simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 83.9 %, Completeness: 85.1 %, Completeness (bb): 80.9 % Detail

Polymer type: polypeptide(L)

Total1H
All85.1 % (114 of 134)85.1 % (114 of 134)
Backbone80.9 % (55 of 68)80.9 % (55 of 68)
Sidechain89.4 % (59 of 66)89.4 % (59 of 66)
Methyl88.9 % (8 of 9)88.9 % (8 of 9)

1. cyc-gEc1

AGCDDKCGCA VPCPGGTGCR CTSARSGGAA G

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 307.2 K, pH 7.5


#NameIsotope labelingTypeConcentration
1cyc-gEc1natural abundance0.9 mM
2CADMIUM ION113Cd1.8 mM
3TRIS[U-99% 2H]10 mM
4sodium perchloratenatural abundance10 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 2MFP, Strand ID: A Detail


Release date
2013-11-25
Citation
Solution structure of the circular γ-domain analog from the wheat metallothionein E(c)-1
Tarasava, K., Johannsen, S., Freisinger, E.
Molecules (2013), 18, 14414-14429, PubMed 24284492 , DOI 10.3390/molecules181114414 ,
Related entities 1. cyc-gEc1, : 1 : 1 : 7 entities Detail
Experiments performed 6 experiments Detail
NMR combined restraints 4 contents Detail
Keywords Backbone cyclized protein, Cd(II), Metallothionein, Metal-thiolate cluster, NMR