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1f2q

CRYSTAL STRUCTURE OF THE HUMAN HIGH-AFFINITY IGE RECEPTOR

Method: X-RAY DIFFRACTION D_max: 61.4 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	1f2q
deposition_date	2000-05-28
title	CRYSTAL STRUCTURE OF THE HUMAN HIGH-AFFINITY IGE RECEPTOR
keywords	Immunoglobulin Fold, Glycoprotein, Receptor, IgE-binding Protein, IMMUNE SYSTEM; IMMUNE SYSTEM
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	18.75 Å
rg_electron	17.79 Å
i0	8166680.00
molecular_weight	20723.0 kDa
excluded_volume	25823 Å³
envelope_volume	32161 Å³
shell_volume	15522 Å³
envelope_diameter	61.1 Å
shell_rg	23.33 Å
envelope_rg	18.10 Å
shape_rg	17.77 Å
total_rg	18.81 Å
total_atoms	1463
n_residues	167
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	61.4 Å
rg_real	18.70 Å
rg_real_error	0.41 Å
i0_real	8.1670e+06
i0_real_error	1.0760e+05
rg_reciprocal	18.71 Å
i0_reciprocal	8167000.0000
total_estimate	0.7370
solution_quality	REASONABLE a REASONABLE solution
n_peaks	2
r_peak_primary	21.0 Å
skewness	0.211
kurtosis	-0.479
angular_range	— – 0.4250 Å⁻¹
current_alpha	0.0000
highest_alpha	1950000.0000
n_real_points	74
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.898; Stabil: 1.000; Sysdev: 0.313; Positv: 1.000; Valcen: 0.994; Smooth: 0.950

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	HIGH AFFINITY IMMUNOGLOBULIN EPSILON RECEPTOR ALPHA-SUBUNIT
formula_weight	20462.7 kDa
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	1536

VPQKPKVSLNPPWNRIFKGENVTLTCNGNNFFEVSSTKWFHNGSLSEETNSSLNIVNAKFEDSGEYKCQHQQVNESEPVYLEVFSDWLLLQASAEVVMEGQPLFLRCHGWRNWDVYKVIYYKDGEALKYWYENHNISITNATVEDSGTYYCTGKVWQLDYESEPLNITVIKAPREK

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Trichoplusia ni

Entity 2 branched

description	alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
formula_weight	586.5 kDa
src_method	man
entity_count	2

Entity 3 non-polymer

description	2-acetamido-2-deoxy-beta-D-glucopyranose
formula_weight	221.2 kDa
src_method	man
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	73

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6. Citations (1)

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length_a	88.590 Å
length_b	69.640 Å
length_c	49.360 Å
angle_alpha	90.00 °
angle_beta	116.69 °
angle_gamma	90.00 °
z_pdb	4

space_group	C 1 2 1
int_tables_number	5
crystal_system	—

resolution	2.400 Å
resolution_low	17.430 Å
r_factor	0.2260
r_work	0.2260
r_free	0.2540

fit	/app/data/saxs_computation/f2/1f2q/1f2q.fit
pddf	/app/data/pr_computation/f2/1f2q/1f2q.pr.out
profile	/app/data/saxs_computation/f2/1f2q/1f2q.dat

CRYSTAL STRUCTURE OF THE HUMAN HIGH-AFFINITY IGE RECEPTOR

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