BMRB Entry 31059

Title:
Tau (297-391) in vitro untwisted fibril
Deposition date:
2022-11-11
Original release date:
2023-11-06
Authors:
Duan, P.; Dregni, A.; Mammeri, N.; Hong, M.
Citation:

Citation: Duan, P.; Dregni, A.; Mammeri, N.; Hong, M.. "Structure of Untwisted Filaments of a Tiny Tau that Encompasses the Alzheimer's Tau b-sheet Core"  .

Assembly members:

Assembly members:
entity_1, polymer, 95 residues, 10187.614 Da.

Natural source:

Natural source:   Common Name: Human   Taxonomy ID: 9606   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Homo sapiens

Experimental source:

Experimental source:   Production method: recombinant technology   Host organism: Escherichia coli BL21(DE3)

Data sets:
Data typeCount
13C chemical shifts233
15N chemical shifts51

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
  • Hide all

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11
2unit_21
3unit_31
4unit_41
5unit_51

Entities:

Entity 1, unit_1 95 residues - 10187.614 Da.

1   ILELYSHISVALPROGLYGLYGLYSERVAL
2   GLNILEVALTYRLYSPROVALASPLEUSER
3   LYSVALTHRSERLYSCYSGLYSERLEUGLY
4   ASNILEHISHISLYSPROGLYGLYGLYGLN
5   VALGLUVALLYSSERGLULYSLEUASPPHE
6   LYSASPARGVALGLNSERLYSILEGLYSER
7   LEUASPASNILETHRHISVALPROGLYGLY
8   GLYASNLYSLYSILEGLUTHRHISLYSLEU
9   THRPHEARGGLUASNALALYSALALYSTHR
10   ASPHISGLYALAGLU

Samples:

sample_1: Tau (297-391), [U-100% 13C; U-100% 15N], 50 % w/w; MgCl2 200 mM

sample_2: Tau (297-391), 50% UCN diluted with NA, 50 % w/w; MgCl2 200 mM

sample_3: Tau (297-391), [1,3-13C]glycerol, U-15N, 50 % w/w; MgCl2 200 mM

sample_conditions_1: ionic strength: 0.61 M; pH: 5.5; pressure: 1 atm; temperature: 287 K

Experiments:

NameSampleSample stateSample conditions
2D 13C-detected NCACBsample_1isotropicsample_conditions_1
3D NCACXsample_1isotropicsample_conditions_1
3D NCOCXsample_1isotropicsample_conditions_1
3D CONCACBsample_1isotropicsample_conditions_1
2D 13C-detected CORDsample_2isotropicsample_conditions_1
2D 13C-detected long, CORDsample_2isotropicsample_conditions_1
2D 13C-detected long, CORDsample_3isotropicsample_conditions_1

Software:

TopSpin v4.1.1, Bruker Biospin - processing

X-PLOR NIH, Schwieters, Kuszewski, Tjandra and Clore - refinement, structure calculation

CcpNmr Analysis v2.4.2, CCPN - chemical shift assignment, peak picking

NMR spectrometers:

  • Bruker AVANCE NEO 900 MHz
  • Bruker AVANCE 800 MHz