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Stabilising and Understanding a Miniprotein by Rational Design.
Authors
Porter Goff, K.L., Williams, C., Baker, E.G., Nicol, D., Samphire, J.L., Zieleniewski, F.L., Crump, M.P., Woolfson, D.N.
Assembly
PPaTyr
Entity
1. PPaTyr (polymer, Thiol state: not present), 36 monomers, 3784.290 Da Detail

XPPKKPKKPG DNATPEKLAA YEKELAAYEK ELAAYX


Formula weight
3784.29 Da
Source organism
Streptococcus mutans
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 94.4 %, Completeness: 69.3 %, Completeness (bb): 62.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All69.3 % (282 of 407)95.9 % (209 of 218)27.0 % (43 of 159)100.0 % (30 of 30)
Backbone62.9 % (122 of 194)100.0 % (64 of 64)28.7 % (29 of 101)100.0 % (29 of 29)
Sidechain68.3 % (168 of 246)94.2 % (145 of 154)24.2 % (22 of 91)100.0 % (1 of 1)
Aromatic83.3 % (20 of 24)100.0 % (12 of 12)66.7 % (8 of 12)
Methyl57.1 % (16 of 28)100.0 % (14 of 14)14.3 % (2 of 14)

1. entity 1

XPPKKPKKPG DNATPEKLAA YEKELAAYEK ELAAYX

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 278 K, pH 7.4, Details 1 mM Optimised PPa-TYR, 8.2 mM Na2HPO4, 1.8 mM KH2PO4, 2.7 mM KCL, 137 mM NaCl, 10 % [U-99% 2H] D2O, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1Optimised PPa-TYRnatural abundance1 (±0.1) mM
2Na2HPO4natural abundance8.2 (±0.1) mM
3KH2PO4natural abundance1.8 (±0.1) mM
4KCLnatural abundance2.7 (±0.1) mM
5NaClnatural abundance137 (±0.1) mM
6D2O[U-99% 2H]10 (±0.1) %

Protein Blocks Logo
Calculated from 20 models in PDB: 6GWX, Strand ID: A Detail


Release date
2019-06-30
Citation
Stabilizing and Understanding a Miniprotein by Rational Redesign
Porter Goff, K.L., Nicol, D., Williams, C., Crump, M.P., Zieleniewski, F., Samphire, J., Baker, E.G., Woolfson, D.N.
Biochemistry (2019), 58, 3060-3064, PubMed 31251570 , DOI 10.1021/acs.biochem.9b00067 ,
Related entities 1. PPaTyr, : 36 entities Detail
Experiments performed 8 experiments Detail
Chemical shift validation 3 contents Detail
Keywords Designed miniprotein CH-pi interactions, STRUCTURAL PROTEIN, weak non-covalent interactions in proteins solution structure proline-tyrosine interactions