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1b4i

Control of K+ Channel Gating by protein phosphorylation: structural switches of the inactivation gate, NMR, 22 structures

Method: SOLUTION NMR Dmax: 25.6 Å Quality: REASONABLE

SAXS Profile

SAXS profile for 1b4i

P(r) Distribution

P(r) distribution for 1b4i

1. Structure Basics

entry_id1b4i
deposition_date1998-12-22
titleControl of K+ Channel Gating by protein phosphorylation: structural switches of the inactivation gate, NMR, 22 structures
keywordsPOTASSIUM CHANNEL, INACTIVATION GATE, PHOSPHORYLATION, PROTON TRANSPORT; PROTON TRANSPORT
methodSOLUTION NMR

Download Data

2. SAXS Parameters (CRYSOL)

rg_guinier9.77
rg_electron9.99
i0120090000.00
molecular_weight79139.0 kDa
excluded_volume94833 ų
envelope_volume21989 ų
shell_volume12801 ų
envelope_diameter52.2
shell_rg20.51
envelope_rg15.22
shape_rg9.90
total_rg10.77
total_atoms10810
n_residues644
n_harmonics20
q_range— – 0.5000 −1
n_points101
shell_typedirectional
solvent_density0.3340 e/ų
contrast_shell0.0300 e/ų
crysol_version4.1.3

3. P(r) Analysis (GNOM)

dmax25.6
rg_real9.20
rg_real_error0.04
i0_real1.1500e+08
i0_real_error8.1800e+05
rg_reciprocal9.89
i0_reciprocal120100000.0000
total_estimate0.6864
solution_quality REASONABLE a REASONABLE solution
n_peaks1
r_peak_primary11.0
skewness0.293
kurtosis-0.447
angular_range— – 0.5000 −1
current_alpha3.9120
highest_alpha28960.0000
n_real_points80
gnom_version4.1.3
quality_criteria AN1: 0.001; Oscil: 0.996; Stabil: 0.980; Sysdev: 0.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

4. Crystallography & Experiment

5. Entities & Polymer Info (1)

6. Citations (1)

7. Files & Curves (10)