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Structure of the Cytidine Repressor DNA-Binding Domain; an alternate calculation
Authors
Moody, C.L., Tretyachenko-Ladokhina, V., Senear, D.F., Cocco, M.J.
Assembly
Cytidine Repressor DNA-Binding Domain
Entity
1. Cytidine Repressor DNA-Binding Domain (polymer, Thiol state: not present), 66 monomers, 7256.307 Da Detail

KAKKQETAAT MKDVALKAKV STATVSRALM NPDKVSQATR NRVEKAAREV GYLPQPMGRN VKRNES


Formula weight
7256.307 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Refine. method
SIMULATED ANNEALING
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 72.8 %, Completeness (bb): 82.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All72.8 % (552 of 758)77.1 % (310 of 402)62.9 % (180 of 286)88.6 % (62 of 70)
Backbone82.6 % (322 of 390)95.4 % (125 of 131)68.9 % (135 of 196)98.4 % (62 of 63)
Sidechain68.1 % (294 of 432)68.3 % (185 of 271)70.8 % (109 of 154) 0.0 % (0 of 7)
Aromatic25.0 % (2 of 8)50.0 % (2 of 4) 0.0 % (0 of 4)
Methyl92.9 % (65 of 70)91.4 % (32 of 35)94.3 % (33 of 35)

1. CytR DBD

KAKKQETAAT MKDVALKAKV STATVSRALM NPDKVSQATR NRVEKAAREV GYLPQPMGRN VKRNES

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 308 K, pH 6.0, Details 0.411 MM [U-15N] CYTR DBD, 1.14 MM ATTTATGCAACGCA DNA, 50 MM SODIUM PHOSPHATE, 30 MM SODIUM CHLORIDE, 1 MM EDTA, 90% H2O/10 D2O


#NameIsotope labelingTypeConcentration
1HTH-TYPE TRANSCRIPTIONAL REPRESSOR CYTR[U-15N]0.411 mM
2ATTTATGCAACGCA DNAnatural abundance1.14 mM
3sodium phosphatenatural abundance50 mM
4sodium chloridenatural abundance30 mM
5EDTAnatural abundance1 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 308 K, pH 6.0


#NameIsotope labelingTypeConcentration
8HTH-TYPE TRANSCRIPTIONAL REPRESSOR CYTR[U-13C; U-15N]1 mM
9ATTTATGCAACGCA DNAnatural abundance1.2 mM
10sodium phosphatenatural abundance50 mM
11sodium chloridenatural abundance30 mM
12EDTAnatural abundance1 mM
13H2Onatural abundance90 %
14D2Onatural abundance10 %
Sample #3

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 308 K, pH 6.0, Details 0.4 MM [U-15N] CYT DBD, 0.6 MM ATTTATGCAACGCA DNA, 50 MM SODIUM PHOSPHATE, 30 MM SODIUM CHLORIDE, 1 MM EDTA, 4 % C12E5 PEG/HEXANOL, 90% H2O/10%


#NameIsotope labelingTypeConcentration
15HTH-TYPE TRANSCRIPTIONAL REPRESSOR CYTR[U-15N]0.4 mM
16ATTTATGCAACGCA DNAnatural abundance0.6 mM
17sodium phosphatenatural abundance50 mM
18sodium chloridenatural abundance30 mM
19EDTAnatural abundance1 mM
20C12E5 PEG/HEXANOLnatural abundance4 %
21H2Onatural abundance90 %
22D2Onatural abundance10 %

LACS Plot; CA
Referencing offset: -0.36 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -0.36 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: -0.06 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 11 models in PDB: 2LCV, Strand ID: A Detail


Release date
2011-06-21
Citation
Multiple conformations of the cytidine repressor DNA-binding domain coalesce to one upon recognition of a specific DNA surface
Moody, C.L., Tretyachenko-Ladokhina, V., Laue, T.M., Senear, D.F., Cocco, M.J.
Biochemistry (2011), 50, 6622-6632, PubMed 21688840 , DOI 10.1021/bi200205v ,
Related entities 1. Cytidine Repressor DNA-Binding Domain, : 1 : 3 : 121 entities Detail
Experiments performed 8 experiments Detail
NMR combined restraints 3 contents Detail
Keywords BACTERIAL GENE REPRESSOR, CYTIDINE REPRESSOR, CYTR, DNA-BINDING, DNA BINDING PROTEI, HELIX TURN HEL BINDING DOMAIN, LACR FAMILY, REPRESSOR, TRANSCRIPTION, TRANSCRIPTION REGULATION