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Tetrameric structure of KIA7F peptide
Authors
lopez de la Osa, J., Gonzalez, C., Laurents, D.V., Chakrabartty, A., Bateman, D.A.
Assembly
KIA7F peptide tetramer
Entity
1. KIA7F peptide tetramer (polymer, Thiol state: not present), 22 monomers, 1851.261 × 4 Da Detail

XAKAAAAAIK AIAAIIKAGG FX


Total weight
7405.044 Da
Max. entity weight
1851.261 Da
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 90.9 %, Completeness: 98.1 %, Completeness (bb): 97.6 % Detail

Polymer type: polypeptide(L)

Total1H
All98.1 % (101 of 103)98.1 % (101 of 103)
Backbone97.6 % (41 of 42)97.6 % (41 of 42)
Sidechain98.4 % (60 of 61)98.4 % (60 of 61)
Aromatic100.0 % (5 of 5)100.0 % (5 of 5)
Methyl94.4 % (17 of 18)94.4 % (17 of 18)

1. KIA7F

XAKAAAAAIK AIAAIIKAGG FX

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 278.15 K, pH 5.0


#NameIsotope labelingTypeConcentration
1sodium acetatenatural abundance10 mM
2sodium chloridenatural abundance200 mM
3DSSnatural abundance0.005 mM
4H2O90 %
5D2O10 %

Protein Blocks Logo
Calculated from 10 models in PDB: 2JO5, Strand ID: A, B, C, D Detail


Release date
2008-03-12
Citation
Getting specificity from simplicity in putative proteins from the prebiotic earth
Lopez de la Osa, J., Bateman, D.A., Ho, S., Gonzalez, C., Chakrabartty, A., Laurents, D.V.
Proc. Natl. Acad. Sci. U. S. A. (2007), 104, 14941-14946, PubMed 17855563 , DOI 10.1073/pnas.0706876104 ,
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords oligomer, peptide, prebiotic