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1exb

STRUCTURE OF THE CYTOPLASMIC BETA SUBUNIT-T1 ASSEMBLY OF VOLTAGE-DEPENDENT K CHANNELS

Method: X-RAY DIFFRACTION D_max: 84.6 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1exb
deposition_date	2000-05-02
title	STRUCTURE OF THE CYTOPLASMIC BETA SUBUNIT-T1 ASSEMBLY OF VOLTAGE-DEPENDENT K CHANNELS
keywords	ion channel, oxidoreductase, beta subunit, METAL TRANSPORT; METAL TRANSPORT
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	25.28 Å
rg_electron	24.70 Å
i0	37863400.00
molecular_weight	47839.0 kDa
excluded_volume	59932 Å³
envelope_volume	71883 Å³
shell_volume	25174 Å³
envelope_diameter	88.6 Å
shell_rg	30.53 Å
envelope_rg	25.01 Å
shape_rg	24.71 Å
total_rg	25.30 Å
total_atoms	3362
n_residues	417
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	84.6 Å
rg_real	25.35 Å
rg_real_error	0.77 Å
i0_real	3.7860e+07
i0_real_error	5.2420e+05
rg_reciprocal	25.33 Å
i0_reciprocal	37860000.0000
total_estimate	0.8729
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	25.5 Å
skewness	0.441
kurtosis	-0.315
angular_range	— – 0.3150 Å⁻¹
current_alpha	0.0000
highest_alpha	12760000.0000
n_real_points	64
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.829; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.888; Smooth: 0.978

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	KV BETA2 PROTEIN
formula_weight	37221.9 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	3628

LQFYRNLGKSGLRVSCLGLGTWVTFGGQITDEMAEHLMTLAYDNGINLFDTAEVYAAGKAEVVLGNIIKKKGWRRSSLVITTKIFWGGKAETERGLSRKHIIEGLKASLERLQLEYVDVVFANRPDPNTPMEETVRAMTHVINQGMAMYWGTSRWSSMEIMEAYSVARQFNLIPPICEQAEYHMFQREKVEVQLPELFHKIGVGAMTWSPLACGIVSGKYDSGIPPYSRASLKGYQWLKDKILSEEGRRQQAKLKELQAIAERLGCTLPQLAIAWCLRNEGVSSVLLGASNAEQLMENIGAIQVLPKLSSSIVHEIDSILGNKPYSKKDYRS

Source

organism	Rattus norvegicus
common_name	Norway rat
ncbi_taxonomy_id	10116
host_organism	unidentified baculovirus

Entity 2 polymer

description	POTASSIUM CHANNEL KV1.1
formula_weight	12347.0 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	E

QADHDDHECCERVVINISGLRFETQLKTLAQFPNTLLGNPKKRMRYFDPLRNEYFFDRNRPSFDAILYYYQSGGRLRRPVNVPLDMFSEEIKFYELGEEAMEK

Source

organism	Rattus norvegicus
common_name	Norway rat
ncbi_taxonomy_id	10116
host_organism	unidentified baculovirus

Entity 3 non-polymer

description	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
formula_weight	745.4 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	266

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6. Citations (1)

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length_a	100.725 Å
length_b	100.725 Å
length_c	110.901 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	8

space_group	P 4 21 2
int_tables_number	90
crystal_system	—

resolution	2.100 Å
resolution_low	40.000 Å
r_factor	0.2160
r_work	0.2150
r_free	0.2270

fit	/app/data/saxs_computation/ex/1exb/1exb.fit
pddf	/app/data/pr_computation/ex/1exb/1exb.pr.out
profile	/app/data/saxs_computation/ex/1exb/1exb.dat

STRUCTURE OF THE CYTOPLASMIC BETA SUBUNIT-T1 ASSEMBLY OF VOLTAGE-DEPENDENT K CHANNELS

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction

5. Entities & Polymer Info (4)

Entity 1 polymer

Polymer

Source

Entity 2 polymer

Polymer

Source

Entity 3 non-polymer

Entity 4 water

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)