STRUCTURAL BASIS OF AMINO ACID ALPHA HELIX PROPENSITY

Method: X-RAY DIFFRACTION D_max: 76.4 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	137l
deposition_date	1993-08-17
title	STRUCTURAL BASIS OF AMINO ACID ALPHA HELIX PROPENSITY
keywords	HYDROLASE(O-GLYCOSYL); HYDROLASE(O-GLYCOSYL)
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	23.91 Å
rg_electron	23.10 Å
i0	23431500.00
molecular_weight	37095.0 kDa
excluded_volume	46609 Å³
envelope_volume	56810 Å³
shell_volume	21414 Å³
envelope_diameter	77.2 Å
shell_rg	29.14 Å
envelope_rg	22.83 Å
shape_rg	23.08 Å
total_rg	23.94 Å
total_atoms	2611
n_residues	326
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	76.4 Å
rg_real	23.94 Å
rg_real_error	0.54 Å
i0_real	2.3430e+07
i0_real_error	3.5310e+05
rg_reciprocal	23.93 Å
i0_reciprocal	23430000.0000
total_estimate	0.9008
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	2
r_peak_primary	23.9 Å
skewness	0.337
kurtosis	-0.475
angular_range	— – 0.3300 Å⁻¹
current_alpha	0.0000
highest_alpha	5391000.0000
n_real_points	65
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.962; Smooth: 0.963

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (3)

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length_a	54.070 Å
length_b	55.910 Å
length_c	59.860 Å
angle_alpha	90.00 °
angle_beta	103.56 °
angle_gamma	90.00 °
z_pdb	4

space_group	P 1 21 1
int_tables_number	4
crystal_system	—

resolution	1.850 Å
resolution_low	6.000 Å
r_factor	0.1500
r_work	—
r_free	—

description	T4 LYSOZYME
formula_weight	18688.5 kDa
ec_number	3.2.1.17
src_method	man
entity_count	2

type	polypeptide(L)
strand_id	A,B
atom_count	2856

STRUCTURAL BASIS OF AMINO ACID ALPHA HELIX PROPENSITY

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

5. Entities & Polymer Info (2)

Entity 1 polymer

Polymer

Source

Entity 2 water

6. Citations (3)

7. Files & Curves (10)

Files (7)

Curves (3)

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	245

fit	/app/data/saxs_computation/37/137l/137l.fit
pddf	/app/data/pr_computation/37/137l/137l.pr.out
profile	/app/data/saxs_computation/37/137l/137l.dat

organism	Enterobacteria phage T4
ncbi_taxonomy_id	10665