SAXSdb — 3eng

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

ENDOGLUCANASE V CELLOBIOSE COMPLEX

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Monomer	Protein 1 其他Polymer 1	beta-D-glucopyranose-(1-4)-beta-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GUN5_HUMIN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–213； UniProt 1–213

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	3eng
Deposition date deposition_date	1996-10-17
Structure title title	STRUCTURE OF ENDOGLUCANASE V CELLOBIOSE COMPLEX
Keywords keywords	HYDROLASE, ENDOGLUCANASE, GLYCOSYL HYDROLASE; GLYCOSYL HYDROLASE
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.

3eng__assembly_1__model_1

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

Download this curve (.dat)

3eng__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3eng__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	16.96 Å
Rg (electron density)	15.87 Å
Total Rg	16.83 Å
Atom count	1628
Residues	213
Excluded volume	28315 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3eng__assembly_1__model_1`	monomeric （1）	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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d3enga_
Class class	b — All beta proteins
Fold Fold fold	b.52 — Double psi beta-barrel
Superfamily Superfamily superfamily	b.52.1 — Barwin-like endoglucanases
Family Family family	b.52.1.1 — Eng V-like

CATH v4.4 (1 domains)

Domain ID domain_id	3engA00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	40 — Barwin-like endoglucanases
Homologous superfamily homologous superfamily	10 — RlpA-like domain

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Unit-cell length a length_a	41.750 Å
Unit-cell length b length_b	56.180 Å
Unit-cell length c length_c	37.370 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.40 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	—
R_work r_work	0.1450
R_free r_free	—

Description description	ENDOGLUCANASE V CELLOBIOSE COMPLEX
Molecular weight formula_weight	22884.4 kDa
EC 编号 ec_number	3.2.1.4
Source method src_method	nat
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1773

STRUCTURE OF ENDOGLUCANASE V CELLOBIOSE COMPLEX

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

ENDOGLUCANASE V CELLOBIOSE COMPLEX

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

3eng__assembly_1__model_1

3eng__assembly_1__model_1 | I(q)

3eng__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 branched

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	145

STRUCTURE OF ENDOGLUCANASE V CELLOBIOSE COMPLEX

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

ENDOGLUCANASE V CELLOBIOSE COMPLEX

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

3eng__assembly_1__model_1

3eng__assembly_1__model_1 | I(q)

3eng__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 branched

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (3)