SAXSdb — 3eqn

▼

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

Glucan 1,3-beta-glucosidase

Phanerochaete chrysosporium

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-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZINC ION × 3 SODIUM ION × 2 GLYCEROL × 7 ACETATE ION × 1 water × 1	Consistent with protein count
2	Other combination	Monomer	Protein 1 其他Polymer 1	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZINC ION × 3 SODIUM ION × 2 GLYCEROL × 4 ACETATE ION × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q2Z1W1_PHACH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 7–758； UniProt 27–778 Author chain B； PDBConstruct 7–758； UniProt 27–778

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3eqn
Deposition date deposition_date	2008-10-01
Structure title title	Crystal structure of beta-1,3-glucanase from Phanerochaete chrysosporium (Lam55A)
Keywords keywords	tandem beta-helix domains, Glycosidase, Hydrolase; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3eqn__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3eqn__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3eqn__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	25.48 Å
Rg (electron density)	24.09 Å
Total Rg	24.98 Å
Atom count	5687
Residues	752
Excluded volume	99679 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3eqn__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3eqn__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Description description	Glucan 1,3-beta-glucosidase
Molecular weight formula_weight	80112.8 kDa
EC 编号 ec_number	3.2.1.58
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	13016

EAEAEFLGSTCSSPLTHGSAAPGDPFWLQNIQHQGIAAFNGNPGGYPVFRNVKNYGAKGDGNTDDTAAIQAAINAGGRCGQGCDSTTTQPALVYFPPGTYKVSSPLVVLYQTQLIGDAKNLPTLLAAPNFSGIALIDADPYLAGGAQYYVNQNNFFRSVRNFVIDLRQVSGSATGIHWQVSQATSLINIVFQMSTAAGNQHQGIFMENGSGGFLGDLVFNGGNIGATFGNQQFTVRNLTFNNANTAINAIWNWGWTFQRITINNCQVGFDLTQGGTSNTGAQGVGAEAIIDAVVTNTQTFVRWSGASSGHLQGSLVLNNIQLTNVPVAVGVKGGPTVLAGGTTTINSWAQGNVYHGTNGNPTFTQGNIANINRPGVLLDSTGRIVSKSHPQYTGYAPSDFVSVRSQGAKGDGHTDDTQAIKNVFAKYAGCKIIFFDAGTYIVTDTIQIPAGTQIVGEVWSVIMGTGSKFTDYNNPQPVIQVGAPGSSGVVEITDMIFTTRGPAAGAIIVEWNVHDPSGQQAAAGAWDTHLIIGGTAQSGLQVGQCPTSGAGGNNCFADFLGLHLTSGSSAYLEGMWVWLADHDLDSGGSQQISLWSNGGIMSESQGPVWLIGTASEHHINYQYFLKNAANHYIGLAQTETPYFQPNPNPPAPFITNSNFDPSQLGQGDAWAMTVQNSHGILVFGAGFYSFFSAYNTGCQSPQNCQNQIVNVDSSSDIAFYSLTTVDTTWQFSVNAQGVINRSNNPNGFADTITAWTRN

Source Source

Source organism organism	Phanerochaete chrysosporium
Common name common_name	White-rot fungus
NCBI taxonomy ID ncbi_taxonomy_id	5306
Host organism host_organism	Pichia pastoris

Entity 2 Entity 2 branched

Description description	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	586.5 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 4 Entity 4 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	11

Entity 6 Entity 6 non-polymer

Description description	ACETATE ION
Molecular weight formula_weight	59.0 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1628

▼

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	3eqnA01
Class class	2 — Mainly Beta
Architecture architecture	160 — 3 Solenoid
Topology topology	20 — Pectate Lyase C-like
Homologous superfamily homologous superfamily	10 — Single-stranded right-handed beta-helix, Pectin lyase-like

Domain ID domain_id	3eqnA02
Class class	2 — Mainly Beta
Architecture architecture	160 — 3 Solenoid
Topology topology	20 — Pectate Lyase C-like
Homologous superfamily homologous superfamily	10 — Single-stranded right-handed beta-helix, Pectin lyase-like

Domain ID domain_id	3eqnB01
Class class	2 — Mainly Beta
Architecture architecture	160 — 3 Solenoid
Topology topology	20 — Pectate Lyase C-like
Homologous superfamily homologous superfamily	10 — Single-stranded right-handed beta-helix, Pectin lyase-like

Domain ID domain_id	3eqnB02
Class class	2 — Mainly Beta
Architecture architecture	160 — 3 Solenoid
Topology topology	20 — Pectate Lyase C-like
Homologous superfamily homologous superfamily	10 — Single-stranded right-handed beta-helix, Pectin lyase-like

▶

Unit-cell length a length_a	66.281 Å
Unit-cell length b length_b	67.148 Å
Unit-cell length c length_c	105.183 Å
Unit-cell angle α angle_alpha	81.04 °
Unit-cell angle β angle_beta	76.34 °
Unit-cell angle γ angle_gamma	61.45 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	27.210 Å
R factor r_factor	0.1508
R_work r_work	0.1490
R_free r_free	0.1841

Crystal structure of beta-1,3-glucanase from Phanerochaete chrysosporium (Lam55A)

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

Glucan 1,3-beta-glucosidase

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

3eqn__assembly_2__model_1

3eqn__assembly_2__model_1 | I(q)

3eqn__assembly_2__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (2)

Crystal structure of beta-1,3-glucanase from Phanerochaete chrysosporium (Lam55A)

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

Glucan 1,3-beta-glucosidase

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

3eqn__assembly_2__model_1

3eqn__assembly_2__model_1 | I(q)

3eqn__assembly_2__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (2)