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Solution NMR structure of peptide ImI1 (peak 2)
Authors
Heinis, C., Chen, S.
Assembly
peptide ImI1
Entity
1. peptide ImI1 (polymer, Thiol state: all disulfide bound), 13 monomers, 1382.638 Da Detail

GXASDPRCAW RCX


Formula weight
1382.638 Da
Entity Connection
disulfide 2 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:81S2:SG1:CYS8:SG
2disulfidesing1:81S2:SG1:CYS12:SG

Exptl. method
solution NMR
Refine. method
simulated annealing, molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 76.9 %, Completeness: 95.0 %, Completeness (bb): 86.4 % Detail

Polymer type: polypeptide(L)

Total1H
All95.0 % (57 of 60)95.0 % (57 of 60)
Backbone86.4 % (19 of 22)86.4 % (19 of 22)
Sidechain100.0 % (38 of 38)100.0 % (38 of 38)
Aromatic100.0 % (6 of 6)100.0 % (6 of 6)
Methyl100.0 % (2 of 2)100.0 % (2 of 2)

1. ImI1 (peak 2)

GXASDPRCAW RCX

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 278 K, pH 5.8, Details 1 mM peptide was dissolved in 600 micro liter 100 mM potassium phosphate pH 5.8 buffer.


#NameIsotope labelingTypeConcentration
1ImI1 (peak 2)natural abundance1 mM
2potassium phosphate buffernatural abundance100 mM
3H2Onatural abundance90 %
4D2Onatural abundance10 %

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Calculated from 20 models in PDB: 2MOA, Strand ID: A Detail


Release date
2014-09-21
Citation
Synthetic di-thiol containing amino acids for structurally shaping polypeptides and enhancing target-ligand binding interactions
Chen, S., Gopalakrishnan, R., Schaer, T., Marger, F., Hovius, R., Bertrand, D., Pojer, F., Heinis, C.
Not known
Related entities 1. peptide ImI1, : 1 : 17 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords bicyclic peptide, conotoxin, dithiol amino acid, macrocycle, phage display