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9srk

Structure of collectin-11 (CL-11) carbohydrate-recognition domain in complex with L-fucose

Method: X-RAY DIFFRACTION D_max: 69.1 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9srk
deposition_date	2025-09-24
last_revision	2025-11-05
title	Structure of collectin-11 (CL-11) carbohydrate-recognition domain in complex with L-fucose
keywords	Innate immunity, complement, lectin, 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	21.10 Å
rg_electron	20.41 Å
i0	16953800.00
molecular_weight	29609.0 kDa
excluded_volume	36283 Å³
envelope_volume	42013 Å³
shell_volume	18033 Å³
envelope_diameter	69.3 Å
shell_rg	25.91 Å
envelope_rg	20.43 Å
shape_rg	20.41 Å
total_rg	21.13 Å
total_atoms	2054
n_residues	252
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	69.1 Å
rg_real	21.15 Å
rg_real_error	0.43 Å
i0_real	1.6950e+07
i0_real_error	2.4060e+05
rg_reciprocal	21.14 Å
i0_reciprocal	16950000.0000
total_estimate	0.8857
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	21.3 Å
skewness	0.396
kurtosis	-0.436
angular_range	— – 0.3750 Å⁻¹
current_alpha	0.0000
highest_alpha	4389000.0000
n_real_points	69
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.858; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.941; Smooth: 0.994

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4. Crystallography & Experiment

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5. Entities & Polymer Info (6)

Entity 1 polymer

description	Collectin-11
formula_weight	14285.0 kDa
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	2287

MARETESKIYLLVKEEKRYADAQLSCQGRGGTLSMPKDEAANGLMAAYLAQAGLARVFIGINDLEKEGAFVYSDHSPMRTFNKWRSGEPNNAYDEEDCVEMVASGGWNDVACHTTMYFMCEFDKENM

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Escherichia coli

Entity 2 non-polymer

description	CALCIUM ION
formula_weight	40.1 kDa
src_method	syn
entity_count	6

Entity 3 non-polymer

description	alpha-L-fucopyranose
formula_weight	164.2 kDa
src_method	syn
entity_count	4

Entity 4 non-polymer

description	beta-L-fucopyranose
formula_weight	164.2 kDa
src_method	syn
entity_count	4

Entity 5 non-polymer

description	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
formula_weight	122.1 kDa
src_method	syn
entity_count	1

Entity 6 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	194

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6. Citations (1)

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length_a	28.090 Å
length_b	105.760 Å
length_c	45.320 Å
angle_alpha	90.00 °
angle_beta	93.94 °
angle_gamma	90.00 °
z_pdb	4

space_group	P 1 21 1
int_tables_number	4
crystal_system	monoclinic

resolution	1.800 Å
resolution_low	45.210 Å
r_factor	0.1604
r_work	0.1584
r_free	0.1982

fit	/app/data/saxs_computation/sr/9srk/9srk.fit
pddf	/app/data/pr_computation/sr/9srk/9srk.pr.out
profile	/app/data/saxs_computation/sr/9srk/9srk.dat