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Solution structure of Rbfox2 RRM mimetic peptide CPfox4
Authors
Sun, Y., Shortridge, M.D., Varani, G.
Assembly
CPfox4
Entity
1. CPfox4 (polymer, Thiol state: not present), 16 monomers, 1993.270 Da Detail

GSKRFRFXPE IIFNER


Formula weight
1993.27 Da
Source organism
Aspergillus fischeri
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 93.8 %, Completeness: 83.2 %, Completeness (bb): 93.2 % Detail

Polymer type: polypeptide(L)

Total1H15N
All83.2 % (104 of 125)84.5 % (93 of 110)73.3 % (11 of 15)
Backbone93.2 % (41 of 44)100.0 % (30 of 30)78.6 % (11 of 14)
Sidechain77.8 % (63 of 81)78.8 % (63 of 80) 0.0 % (0 of 1)
Aromatic40.0 % (6 of 15)40.0 % (6 of 15)
Methyl50.0 % (2 of 4)50.0 % (2 of 4)

1. entity 1

GSKRFRFXPE IIFNER

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 278 K, pH 6.5, Details 3.0 mg/mL CPfox4, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1CPfox4natural abundance3.0 mg/mL
2potassium phosphatenatural abundance10 mM
3potassium chloridenatural abundance10 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 6DZA, Strand ID: A Detail


Release date
2018-08-09
Citation
A small cyclic β-hairpin peptide mimics of the Rbfox2 RRM that binds to the precursor miRNA 20b
Sun, Y.T., Shortridge, M.D., Varani, G.
Chembiochem. (2018), 20, 931-939, PubMed 30537200 , DOI 10.1002/cbic.201800645 ,
Related entities 1. CPfox4, : 1 : 1 : 2 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords RNA BINDING PROTEIN, RNA recognition, peptide structure, peptidomimetics