SAXSdb — 1a32

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

RIBOSOMAL PROTEIN S15

Geobacillus stearothermophilus

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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 1–88	Not recorded	No other associated polymer	X-RAY DIFFRACTION X-ray crystallization conditions：pH 6.5；3.0M NA/K PHOSPHATE PH 6.5	Resolution 2.10 Å R-free 0.318

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 1A32	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1QD7 PARTIAL MODEL FOR 30S RIBOSOMAL SUBUNIT Deposited 1999-07-09	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 8 PDB declaration: decameric	Chain H 2–86（85 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；277 K；VAPOUR DIFFUSION AT 277 K, MPD, VAPOR DIFFUSION	Resolution 5.50 Å

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	RS15_BACST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–88； UniProt 1–88

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	1a32
Deposition date deposition_date	1998-01-27
Structure title title	RIBOSOMAL PROTEIN S15 FROM BACILLUS STEAROTHERMOPHILUS
Keywords keywords	MULTIWAVELENGTH ANOMALOUS DIFFRACTION, PROTEIN-RNA, RIBOSOMAL PROTEIN INTERACTIONS, RIBOSOME, RNA-BINDING, RIBOSOMAL PROTEIN; RIBOSOMAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier	18.70 Å
Radius of gyration Rg (electron density) rg_electron	18.28 Å
Forward intensity I(0) i0	2206220.00
Molecular weight molecular_weight	10167.0 kDa
Excluded volume excluded_volume	12719 Å³
Envelope volume envelope_volume	16960 Å³
Hydration-shell volume shell_volume	9119 Å³
Envelope diameter envelope_diameter	64.4 Å
Shell Rg shell_rg	21.58 Å
Envelope Rg envelope_rg	18.55 Å
Shape Rg shape_rg	18.27 Å
Total Rg total_rg	18.97 Å
Total atoms total_atoms	716
Residues n_residues	85
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	63.6 Å
Rg (real space) rg_real	18.82 Å
Rg uncertainty (real space) rg_real_error	0.49 Å
I(0) (real space) i0_real	2.2060e+06
I(0) uncertainty (real space) i0_real_error	2.5320e+04
Rg (reciprocal space) rg_reciprocal	18.80 Å
I(0) (reciprocal space) i0_reciprocal	2206000.0000
Solution quality estimate total_estimate	0.8515
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	3
Primary peak position r_peak_primary	16.5 Å
Skewness Skewness skewness	0.322
Kurtosis Kurtosis kurtosis	-0.651
Angular range angular_range	— – 0.4250 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	179100.0000
Real-space data points n_real_points	74
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.822; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.666; Smooth: 0.934

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (2)

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7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1a32a_
Class class	a — All alpha proteins
Fold Fold fold	a.16 — S15/NS1 RNA-binding domain
Superfamily Superfamily superfamily	a.16.1 — S15/NS1 RNA-binding domain
Family Family family	a.16.1.2 — Ribosomal protein S15

CATH v4.4 (1 domains)

Domain ID domain_id	1a32A00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	10 — S15/NS1, RNA-binding

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8. Citations (1)

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Unit-cell length a length_a	33.020 Å
Unit-cell length b length_b	33.750 Å
Unit-cell length c length_c	75.670 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	4

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	6.000 Å
R factor r_factor	0.2120
R_work r_work	0.2120
R_free r_free	0.3180

Description description	RIBOSOMAL PROTEIN S15
Molecular weight formula_weight	10586.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	775

RIBOSOMAL PROTEIN S15 FROM BACILLUS STEAROTHERMOPHILUS

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

RIBOSOMAL PROTEIN S15

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

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 water

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

来源生物 organism	Geobacillus stearothermophilus
NCBI Class编号 ncbi_taxonomy_id	1422
宿主生物 host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	59

fit	/app/data/saxs_computation/a3/1a32/1a32.fit
pddf	/app/data/pr_computation/a3/1a32/1a32.pr.out
profile	/app/data/saxs_computation/a3/1a32/1a32.dat