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NMR Investigation of Tyr105 Mutants in TEM-1 beta-lactamase Suggests Active-Site Dynamical Coupling
Authors
Doucet, N., Savard, P., Pelletier, J.N., Gagne, S.M.
Assembly
Mutants Y105G of TEM-1 beta-lactamase
Entity
1. Mutants Y105G of TEM-1 beta-lactamase (polymer, Thiol state: all disulfide bound), 263 monomers, 28800.54 Da Detail

HPETLVKVKD AEDQLGARVG YIELDLNSGK ILESFRPEER FPMMSTFKVL LCGAVLSRVD AGQEQLGRRI HYSQNDLVEG SPVTEKHLTD GMTVRELCSA AITMSDNTAA NLLLTTIGGP KELTAFLHNM GDHVTRLDRW EPELNEAIPN DERDTTMPAA MATTLRKLLT GELLTLASRQ QLIDWMEADK VAGPLLRSAL PAGWFIADKS GAGERGSRGI IAALGPDGKP SRIVVIYTTG SQATMDERNR QIAEIGASLI KHW


Formula weight
28800.54 Da
Entity Connection
disulfide 1 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS52:SG1:CYS98:SG

Source organism
Escherichia coli
Exptl. method
NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 99.6 %, Completeness: 31.7 %, Completeness (bb): 54.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All31.7 % (939 of 2966)23.6 % (362 of 1536)28.4 % (329 of 1159)91.5 % (248 of 271)
Backbone54.5 % (847 of 1554)53.2 % (285 of 536)40.9 % (314 of 767)98.8 % (248 of 251)
Sidechain 7.4 % (122 of 1653) 7.7 % (77 of 1000) 7.1 % (45 of 633) 0.0 % (0 of 20)
Aromatic 0.0 % (0 of 146) 0.0 % (0 of 73) 0.0 % (0 of 69) 0.0 % (0 of 4)
Methyl 9.5 % (31 of 326)11.7 % (19 of 163) 7.4 % (12 of 163)

1. TEM-1

HPETLVKVKD AEDQLGARVG YIELDLNSGK ILESFRPEER FPMMSTFKVL LCGAVLSRVD AGQEQLGRRI HYSQNDLVEG SPVTEKHLTD GMTVRELCSA AITMSDNTAA NLLLTTIGGP KELTAFLHNM GDHVTRLDRW EPELNEAIPN DERDTTMPAA MATTLRKLLT GELLTLASRQ QLIDWMEADK VAGPLLRSAL PAGWFIADKS GAGERGSRGI IAALGPDGKP SRIVVIYTTG SQATMDERNR QIAEIGASLI KHW

Sample

Temperature 303 (±0.2) K, pH 6.6 (±0.2), Details 0.8 mM, pH 6.6 for all Y105X mutants


#NameIsotope labelingTypeConcentration
1TEM-1 (Y105G)[U-13C; U-15N]0.8 mM
2imidazole4 mM
3DSS0.1 mM
4H2O90 %
5D2O10 %

Release date
2007-01-08
Citation
Backbone dynamics of TEM-1 determined by NMR: evidence for a highly ordered protein
Savard, P., Gagne, S.M.
Biochemistry (2006), 45, 11414-11424, PubMed 16981701 , DOI 10.1021/bi060414q ,
Entries sharing articles BMRB: 4 entries Detail
  BMRB: 16392 released on 2009-07-09
    Title NMR relaxation data for the beta-lactamase TEM-1
  BMRB: 7236 released on 2007-01-08
    Title NMR Investigation of Tyr105 Mutants in TEM-1 beta-lactamase Suggests Active-Site Dynamical Coupling
  BMRB: 7238 released on 2007-01-08
    Title NMR Investigation of Tyr105 Mutants in TEM-1 beta-lactamase Suggests Active-Site Dynamical Coupling
  BMRB: 7239 released on 2007-01-08
    Title NMR Investigation of Tyr105 Mutants in TEM-1 beta-lactamase Suggests Active-Site Dynamical Coupling
Related entities 1. Mutants Y105G of TEM-1 beta-lactamase, : 1 : 48 : 122 entities Detail
Interaction partners 1. Mutants Y105G of TEM-1 beta-lactamase, : 1 interactors Detail
Experiments performed 4 experiments Detail
Chemical shift validation 3 contents Detail
Keywords 15N relaxation, Enzyme dynamics, NMR, TEM-1 beta-lactamase, Backbone assignment, Class A beta-lactamase, Mutant comparison, TEM-1, Tyr105