SAXSdb — 7lna

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Major prion protein

OrganismNot specified

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein homooligomer Homooligomer Protein × 3 PDB declaration: trimeric（3） Consistent with protein copy count	Chain A； UniProt 90–231 Chain B； UniProt 90–231 Chain C； UniProt 90–231	Not recorded	No other associated polymer	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.4 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 3.14 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 7LNA	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1B10 SOLUTION NMR STRUCTURE OF RECOMBINANT SYRIAN HAMSTER PRION PROTEIN RPRP(90-231) , 25 STRUCTURES Deposited 1998-11-25	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 90–231（142 aa） Fragment：90 - 231	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 5.2；303 K；Pressure 1	Resolution not provided
2KKG NMR structure of the octarepeat region of prion protein bound to pentosan polysulfate Deposited 2009-06-19	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 23–106（84 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 5；298 K；Pressure ambient NMR sample composition 0.5 mM [U-15N] octarepeats-1, 5 % [U-2H] D2O-2, 20 % [U-2H] DMSO-3, 20 mM pentosan polysulfate-4, 10 mM sodium acetate-5, 75 % H2O-6, 95% H2O/5% D2O \| 95% H2O/5% D2O NMR sample composition 0.5 mM [U-13C; U-15N] octarepeats-7, 5 % [U-2H] D2O-8, 20 % [U-2H] DMSO-9, 20 mM pentosan polysulfate-10, 10 mM sodium acetate-11, 75 % H2O-12, 95% H2O/5% D2O \| 95% H2O/5% D2O NMR sample composition 0.5 mM [U-13C; U-15N] octarepeats-13, 80 % [U-2H] D2O-14, 20 % [U-2H] DMSO-15, 20 mM pentosan polysulfate-16, 10 mM sodium acetate-17, 100% D2O \| 100% D2O	Resolution not provided
2LH8 Syrian hamster prion protein with thiamine Deposited 2011-08-05	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 125–228（104 aa） Fragment：UNP residues 125-228	Not recorded	VIB 3-(4-AMINO-2-METHYL-PYRIMIDIN-5-YLMETHYL)-5-(2-HYDROXY-ETHYL)-4-METHYL-THIAZOL-3-IUM × 1	SOLUTION NMR NMR measurement conditions pH 6.2；298 K；Ionic strength (raw mmCIF value) 0.02；Pressure ambient NMR sample composition 0.3 mM [U-100% 15N] shPrP, 10 mM thiamine, 90% H2O/10% D2O \| 90% H2O/10% D2O NMR sample composition 0.5 mM shPrP, 12.5 mM thiamine, 90% H2O/10% D2O \| 90% H2O/10% D2O NMR sample composition 0.5 mM shPrP, 10 mM thiamine, 90% H2O/10% D2O \| 90% H2O/10% D2O	Resolution not provided
3NVE MMHFGN segment 138-143 from Syrian Hamster prion Deposited 2010-07-08	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 12 PDB declaration: dodecameric	Chain A 138–143（6 aa） Chain B 138–143（6 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；298 K；1.2 M Ammonium sulfate, 200 mM BisTris pH 7.5, vapor diffusion, hanging drop, temperature 298K	Resolution 1.70 Å R-free 0.269
4YXL Crystal structure of Syrian hamster prion protein complexed with POM1 FAB Deposited 2015-03-23	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 90–232（143 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；25% PEG3350, 0.1 M BIS-TRIS, 0.2 M lithium sulphate	Resolution 2.60 Å R-free 0.310
7YAT CryoEM tetra protofilament structure of the hamster prion 108-144 fibril Deposited 2022-06-28	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 24 PDB declaration: 24-meric	Chain A 119–143（25 aa） Chain B 119–143（25 aa） Chain C 119–143（25 aa） Chain D 119–143（25 aa） Chain E 119–143（25 aa） Chain F 119–143（25 aa） Chain G 119–143（25 aa） Chain H 119–143（25 aa） Chain I 119–143（25 aa） Chain J 119–143（25 aa） Chain K 119–143（25 aa） Chain L 119–143（25 aa） Chain M 119–143（25 aa） Chain N 119–143（25 aa） Chain O 119–143（25 aa） Chain P 119–143（25 aa） Chain Q 119–143（25 aa） Chain R 119–143（25 aa） Chain S 119–143（25 aa） Chain T 119–143（25 aa） Chain U 119–143（25 aa） Chain V 119–143（25 aa） Chain X 119–143（25 aa） Chain Y 119–143（25 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 3.7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.20 Å
8WZX Cryo-EM structure of the hamster prion 23-144 fibril at pH 3.7 Deposited 2023-11-02	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 20 PDB declaration: eicosameric	Chain A 23–144（122 aa） Chain B 23–144（122 aa） Chain C 23–144（122 aa） Chain D 23–144（122 aa） Chain E 23–144（122 aa） Chain F 23–144（122 aa） Chain G 23–144（122 aa） Chain H 23–144（122 aa） Chain I 23–144（122 aa） Chain J 23–144（122 aa） Chain K 23–144（122 aa） Chain L 23–144（122 aa） Chain M 23–144（122 aa） Chain N 23–144（122 aa） Chain O 23–144（122 aa） Chain P 23–144（122 aa） Chain Q 23–144（122 aa） Chain R 23–144（122 aa） Chain S 23–144（122 aa） Chain T 23–144（122 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 3.7；20 mM NaOAc, 140 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.88 Å

7 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	PRIO_MESAU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–142； UniProt 90–231 Author chain B； PDBConstruct 1–142； UniProt 90–231 Author chain C； PDBConstruct 1–142； UniProt 90–231

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	7lna
Deposition date deposition_date	2021-02-06
Structure title title	Infectious mammalian prion fibril (263K scrapie)
Keywords keywords	infectious mammalian prion, templating, glycosylated glycophophatidlyinositol-anchored amyloid, PIRIBS, PROTEIN FIBRIL; PROTEIN FIBRIL
Experimental Method method	ELECTRON MICROSCOPY

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	33.95 Å
Radius of gyration Rg (electron density) rg_electron	34.57 Å
Forward intensity I(0) i0	37535200.00
Molecular weight molecular_weight	45300.0 kDa
Excluded volume excluded_volume	55284 Å³
Envelope volume envelope_volume	75473 Å³
Hydration-shell volume shell_volume	20946 Å³
Envelope diameter envelope_diameter	129.4 Å
Shell Rg shell_rg	35.18 Å
Envelope Rg envelope_rg	35.13 Å
Shape Rg shape_rg	34.67 Å
Total Rg total_rg	34.30 Å
Total atoms total_atoms	3171
Residues n_residues	390
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	123.6 Å
Rg (real space) rg_real	34.51 Å
Rg uncertainty (real space) rg_real_error	1.61 Å
I(0) (real space) i0_real	3.7540e+07
I(0) uncertainty (real space) i0_real_error	6.8010e+05
Rg (reciprocal space) rg_reciprocal	34.16 Å
I(0) (reciprocal space) i0_reciprocal	37520000.0000
Solution quality estimate total_estimate	0.7391
Solution quality rating solution_quality	REASONABLE a REASONABLE solution
P(r) peaks n_peaks	1
Primary peak position r_peak_primary	23.7 Å
Skewness Skewness skewness	0.636
Kurtosis Kurtosis kurtosis	-0.247
Angular range angular_range	— – 0.2350 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	1650000.0000
Real-space data points n_real_points	48
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.536; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.164; Smooth: 0.832

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (1)

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.140 Å
Low-resolution limit resolution_low	3.140 Å
R factor r_factor	0.4291
R_work r_work	0.4291
R_free r_free	—

Resolution resolution	3.14 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	15884

Description description	Major prion protein
Molecular weight formula_weight	16264.1 kDa
Source method src_method	nat
Copy count entity_count	3

Infectious mammalian prion fibril (263K scrapie)

1. Protein Identity and Related Structures Protein Identity & Related Structures

Major prion protein

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	3171

fit	/app/data/saxs_computation/ln/7lna/7lna.fit
pddf	/app/data/pr_computation/ln/7lna/7lna.pr.out
profile	/app/data/saxs_computation/ln/7lna/7lna.dat