Search

Solution structure of a "retroevolved" lambda Cro monomer reveals the basis for increased monomer stability and reduced dimerization
Authors
Newlove, T., LeFevre, K.R., Cordes, M.H.
Assembly
Regulatory protein cro
Entity
1. Regulatory protein cro (polymer, Thiol state: all free), 66 monomers, 7411.387 Da Detail

MEQRITLKDY AMRFGQTKTA KDLGVQQSAI NKWIHAGRKI FLTINADGSV YAEEVKPDPS NKKTTA


Formula weight
7411.387 Da
Source organism
Escherichia virus Lambda
Exptl. method
NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 90.7 %, Completeness (bb): 84.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All90.7 % (708 of 781)97.8 % (400 of 409)79.0 % (237 of 300)98.6 % (71 of 72)
Backbone84.2 % (330 of 392)96.3 % (129 of 134)71.1 % (138 of 194)98.4 % (63 of 64)
Sidechain97.6 % (440 of 451)98.5 % (271 of 275)95.8 % (161 of 168)100.0 % (8 of 8)
Aromatic86.5 % (45 of 52)100.0 % (26 of 26)72.0 % (18 of 25)100.0 % (1 of 1)
Methyl98.6 % (69 of 70)97.1 % (34 of 35)100.0 % (35 of 35)

1. Regulatory protein cro

MEQRITLKDY AMRFGQTKTA KDLGVQQSAI NKWIHAGRKI FLTINADGSV YAEEVKPDPS NKKTTA

Sample

Pressure 1 atm, Temperature 293 K, pH 5.3


#NameIsotope labelingTypeConcentration
1Regulatory protein cro[U-13C]2.5 mM
2Na-phosphate50 mM
3sodium azide0.01 %
4TSP1 mM
5H2O90 %
6D2O10 %

LACS Plot; CA
Referencing offset: -0.24 ppm, Outliers: 2 Detail
LACS Plot; CB
Referencing offset: -0.24 ppm, Outliers: 2 Detail
LACS Plot; HA
Referencing offset: -0.14 ppm, Outliers: 3 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2A63, Strand ID: A Detail


Release date
2006-06-25
Citation
A trade between similar but nonequivalent intrasubunit and intersubunit contacts in Cro dimer evolution
Newlove, T., Atkinson, K.R., Van Dorn, L.O., Cordes, M.H.
Biochemistry (2006), 45, 6379-6391, PubMed 16700549 , DOI 10.1021/bi052541c ,
Related entities 1. Regulatory protein cro, : 1 : 6 : 8 entities Detail
Interaction partners 1. Regulatory protein cro, : 1 interactors Detail
Experiments performed 6 experiments Detail
nullKeywords ball-and-socket, helix-turn-helix, monomer