SAXSdb — 1gme

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

HEAT SHOCK PROTEIN 16.9B

TRITICUM AESTIVUM

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 12	water × 12	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 12	water × 12	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q41560
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–151； UniProt 1–151 Author chain B； PDBConstruct 1–151； UniProt 1–151 Author chain C； PDBConstruct 1–151； UniProt 1–151 Author chain D； PDBConstruct 1–151； UniProt 1–151

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	1gme
Deposition date deposition_date	2001-09-13
Structure title title	Crystal structure and assembly of an eukaryotic small heat shock protein
Keywords keywords	SMALL HEAT SHOCK PROTEIN, CHAPERONE, ALPHA-CRYSTALLIN; CHAPERONE
Experimental Method method	X-RAY DIFFRACTION

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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.

1gme__assembly_1__model_1

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

Download this curve (.dat)

1gme__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1gme__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	37.64 Å
Rg (electron density)	36.86 Å
Total Rg	37.63 Å
Atom count	12306
Residues	1554
Excluded volume	218960 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1gme__assembly_1__model_1`	dodecameric （12）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1gme__assembly_2__model_1`	dodecameric （12）	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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1gmea_
Class class	b — All beta proteins
Fold Fold fold	b.15 — HSP20-like chaperones
Superfamily Superfamily superfamily	b.15.1 — HSP20-like chaperones
Family Family family	b.15.1.1 — HSP20

Domain ID domain_id	d1gmeb_
Class class	b — All beta proteins
Fold Fold fold	b.15 — HSP20-like chaperones
Superfamily Superfamily superfamily	b.15.1 — HSP20-like chaperones
Family Family family	b.15.1.1 — HSP20

Domain ID domain_id	d1gmec_
Class class	b — All beta proteins
Fold Fold fold	b.15 — HSP20-like chaperones
Superfamily Superfamily superfamily	b.15.1 — HSP20-like chaperones
Family Family family	b.15.1.1 — HSP20

Domain ID domain_id	d1gmed_
Class class	b — All beta proteins
Fold Fold fold	b.15 — HSP20-like chaperones
Superfamily Superfamily superfamily	b.15.1 — HSP20-like chaperones
Family Family family	b.15.1.1 — HSP20

CATH v4.4 (4 domains)

Domain ID domain_id	1gmeA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	1gmeB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	1gmeC00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

Domain ID domain_id	1gmeD00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	790 —

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Unit-cell length a length_a	171.645 Å
Unit-cell length b length_b	171.645 Å
Unit-cell length c length_c	124.157 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	72

Space group space_group	H 3 2
Space-group number int_tables_number	155
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2310
R_work r_work	0.2310
R_free r_free	0.2860

Description description	HEAT SHOCK PROTEIN 16.9B
Molecular weight formula_weight	16881.2 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	4140

Crystal structure and assembly of an eukaryotic small heat shock protein

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

HEAT SHOCK PROTEIN 16.9B

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

1gme__assembly_1__model_1

1gme__assembly_1__model_1 | I(q)

1gme__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	TRITICUM AESTIVUM
Common name common_name	WHEAT
NCBI taxonomy ID ncbi_taxonomy_id	4565
Host organism host_organism	ESCHERICHIA COLI

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	33

Crystal structure and assembly of an eukaryotic small heat shock protein

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

HEAT SHOCK PROTEIN 16.9B

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

1gme__assembly_1__model_1

1gme__assembly_1__model_1 | I(q)

1gme__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)