SAXSdb — 9nvf

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

Small heat shock protein HSP16.5

Methanocaldococcus jannaschii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 26	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HSPS_METJA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–114； UniProt 34–147 Author chain B； PDBConstruct 1–114； UniProt 34–147 Author chain C； PDBConstruct 1–114； UniProt 34–147 Author chain D； PDBConstruct 1–114； UniProt 34–147 Author chain E； PDBConstruct 1–114； UniProt 34–147 Author chain F； PDBConstruct 1–114； UniProt 34–147 Author chain G； PDBConstruct 1–114； UniProt 34–147 Author chain H； PDBConstruct 1–114； UniProt 34–147 Author chain I； PDBConstruct 1–114； UniProt 34–147 Author chain J； PDBConstruct 1–114； UniProt 34–147 Author chain K； PDBConstruct 1–114； UniProt 34–147 Author chain L； PDBConstruct 1–114； UniProt 34–147 Author chain M； PDBConstruct 1–114； UniProt 34–147 Author chain W； PDBConstruct 1–114； UniProt 34–147 Author chain X； PDBConstruct 1–114； UniProt 34–147 Author chain Y； PDBConstruct 1–114； UniProt 34–147 Author chain Z； PDBConstruct 1–114； UniProt 34–147 Author chain a； PDBConstruct 1–114； UniProt 34–147 Author chain b； PDBConstruct 1–114； UniProt 34–147 Author chain c； PDBConstruct 1–114； UniProt 34–147 Author chain d； PDBConstruct 1–114； UniProt 34–147 Author chain e； PDBConstruct 1–114； UniProt 34–147 Author chain f； PDBConstruct 1–114； UniProt 34–147 Author chain g； PDBConstruct 1–114； UniProt 34–147 Author chain h； PDBConstruct 1–114； UniProt 34–147 Author chain i； PDBConstruct 1–114； UniProt 34–147

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	9nvf
Deposition date deposition_date	2025-03-20
Structure title title	mjHSP16.5 26mer (+lysozyme, 75C)
Keywords keywords	sHSP, thermophile, holdase, CHAPERONE; CHAPERONE
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9nvf__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9nvf__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9nvf__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	56.11 Å
Rg (electron density)	54.89 Å
Total Rg	55.28 Å
Atom count	46251
Residues	2908
Excluded volume	409780 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9nvf__assembly_1__model_1`	26-meric （26）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (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	3.650 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	3.65 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	450391

Description description	Small heat shock protein HSP16.5
Molecular weight formula_weight	12629.6 kDa
Source method src_method	man
Copy count entity_count	26

mjHSP16.5 26mer (+lysozyme, 75C)

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

Small heat shock protein HSP16.5

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

9nvf__assembly_1__model_1

9nvf__assembly_1__model_1 | I(q)

9nvf__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H,I,J,K,L,M,W,X,Y,Z,a,b,c,d,e,f,g,h,i
Atom count atom_count	46251

Source organism organism	Methanocaldococcus jannaschii
NCBI taxonomy ID ncbi_taxonomy_id	2190
Host organism host_organism	Escherichia coli BL21(DE3)

mjHSP16.5 26mer (+lysozyme, 75C)

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

Small heat shock protein HSP16.5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

9nvf__assembly_1__model_1

9nvf__assembly_1__model_1 | I(q)

9nvf__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)