Human transferrin receptor ectodomain

Method: ELECTRON MICROSCOPY D_max: 113.8 Å Quality: REASONABLE

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	11qc
deposition_date	2026-03-10
title	Human transferrin receptor ectodomain
keywords	TfR, MEMBRANE PROTEIN; MEMBRANE PROTEIN
method	ELECTRON MICROSCOPY

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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	35.26 Å
rg_electron	34.44 Å
i0	304456000.00
molecular_weight	144300.0 kDa
excluded_volume	181910 Å³
envelope_volume	229070 Å³
shell_volume	54441 Å³
envelope_diameter	112.1 Å
shell_rg	41.79 Å
envelope_rg	34.24 Å
shape_rg	34.37 Å
total_rg	35.20 Å
total_atoms	10198
n_residues	1278
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	113.8 Å
rg_real	35.19 Å
rg_real_error	0.58 Å
i0_real	3.0450e+08
i0_real_error	4.0580e+06
rg_reciprocal	35.24 Å
i0_reciprocal	304500000.0000
total_estimate	0.6763
solution_quality	REASONABLE a REASONABLE solution
n_peaks	1
r_peak_primary	43.0 Å
skewness	0.300
kurtosis	-0.424
angular_range	— – 0.2250 Å⁻¹
current_alpha	0.0002
highest_alpha	102900000.0000
n_real_points	46
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.890; Stabil: 1.000; Sysdev: 0.062; Positv: 1.000; Valcen: 0.999; Smooth: 0.932

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

Entity 1 polymer

description	Transferrin receptor protein 1, serum form
formula_weight	71620.0 kDa
src_method	man
entity_count	2

Polymer

type	polypeptide(L)
strand_id	A,B
atom_count	10198

LYWDDLKRKLSEKLDSTDFTGTIKLLNENSYVPREAGSQKDENLALYVENQFREFKLSKVWRDQHFVKIQVKDSAQNSVIIVDKNGRLVYLVENPGGYVAYSKAATVTGKLVHANFGTKKDFEDLYTPVNGSIVIVRAGKITFAEKVANAESLNAIGVLIYMDQTKFPIVNAELSFFGHAHLGTGDPYTPGFPSFNHTQFPPSRSSGLPNIPVQTISRAAAEKLFGNMEGDCPSDWKTDSTCRMVTSESKNVKLTVSNVLKEIKILNIFGVIKGFVEPDHYVVVGAQRDAWGPGAAKSGVGTALLLKLAQMFSDMVLKDGFQPSRSIIFASWSAGDFGSVGATEWLEGYLSSLHLKAFTYINLDKAVLGTSNFKVSASPLLYTLIEKTMQNVKHPVTGQFLYQDSNWASKVEKLTLDNAAFPFLAYSGIPAVSFCFCEDTDYPYLGTTMDTYKELIERIPELNKVARAAAEVAGQFVIKLTHDVELNLDYERYNSQLLSFVRDLNQYRADIKEMGLSLQWLYSARGDFFRATSRLTTDFGNAEKTDRFVMKKLNDRVMRVEYHFLSPYVSPKESPFRHVFWGSGSHTLPALLENLKLRKQNNGAFNETLFRNQLALATWTIQGAANALSGDVWDIDNEF

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Homo sapiens

Entity 2 non-polymer

description	2-acetamido-2-deoxy-beta-D-glucopyranose
formula_weight	221.2 kDa
src_method	syn
entity_count	6

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6. Citations (1)

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length_a	1.000 Å
length_b	1.000 Å
length_c	1.000 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	—

space_group	P 1
int_tables_number	1
crystal_system	—

resolution	2.40 Å
resolution_method	—
num_particles	337316

fit	/app/data/saxs_computation/1q/11qc/11qc.fit
pddf	/app/data/pr_computation/1q/11qc/11qc.pr.out
profile	/app/data/saxs_computation/1q/11qc/11qc.dat