6q3r

ASPERGILLUS ACULEATUS GALACTANASE

Method: X-RAY DIFFRACTION

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

Arabinogalactan endo-beta-1,4-galactanase

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 2	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-galactopyranose-(1-4)-beta-D-galactopyranose × 1 DI(HYDROXYETHYL)ETHER × 2 CALCIUM ION × 4 TETRAETHYLENE GLYCOL × 1 1,2-ETHANEDIOL × 7 ACETATE ION × 2 1-(2-METHOXY-ETHOXY)-2-{2-[2-(2-METHOXY-ETHOXY]-ETHOXY}-ETHANE × 1 water × 1	Consistent with protein count
2	Other combination	Monomer	Protein 1 其他Polymer 2	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-galactopyranose-(1-4)-beta-D-galactopyranose × 1 DI(HYDROXYETHYL)ETHER × 2 CALCIUM ION × 3 TETRAETHYLENE GLYCOL × 1 1,2-ETHANEDIOL × 6 ACETATE ION × 1 TRIETHYLENE GLYCOL × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GANA_ASPAC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–334； UniProt 17–350 Author chain B； PDBConstruct 1–334； UniProt 17–350

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	6q3r
Deposition date deposition_date	2018-12-04
Structure title title	ASPERGILLUS ACULEATUS GALACTANASE
Keywords keywords	ASPERGILLUS ACULEATUS galactanase complex with galactobiose, HYDROLASE; 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.

6q3r__assembly_1__model_1

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

Download this curve (.dat)

6q3r__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6q3r__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.30 Å
Rg (electron density)	19.06 Å
Total Rg	20.10 Å
Atom count	2745
Residues	334
Excluded volume	48925 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6q3r__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6q3r__assembly_2__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 (11)

Entity 1 Entity 1 polymer

Description description	Arabinogalactan endo-beta-1,4-galactanase
Molecular weight formula_weight	36775.4 kDa
EC 编号 ec_number	3.2.1.89
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	5711

ALTYRGADISSLLLLEDEGYSYKNLNGQTQALETILADAGINSIRQRVWVNPSDGSYDLDYNLELAKRVKAAGMSLYLDLHLSDTWADPSDQTTPSGWSTTDLGTLKWQLYNYTLEVCNTFAENDIDIEIISIGNEIRAGLLWPLGETSSYSNIGALLHSGAWGVKDSNLATTPKIMIHLDDGWSWDQQNYFYETVLATGELLSTDFDYFGVSYYPFYSASATLASLKTSLANLQSTYDKPVVVVETNWPVSCPNPAYAFPSDLSSIPFSVAGQQEFLEKLAAVVEATTDGLGVYYWEPAWIGNAGLGSSCADNLMVDYTTDEVYESIETLGEL

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 branched

Description description	beta-D-galactopyranose-(1-4)-beta-D-galactopyranose
Molecular weight formula_weight	342.3 kDa
Source method src_method	man
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	DI(HYDROXYETHYL)ETHER
Molecular weight formula_weight	106.1 kDa
Source method src_method	man
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	man
Copy count entity_count	7

Entity 6 Entity 6 non-polymer

Description description	TETRAETHYLENE GLYCOL
Molecular weight formula_weight	194.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 7 Entity 7 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	man
Copy count entity_count	13

Entity 8 Entity 8 non-polymer

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

Entity 9 Entity 9 non-polymer

Description description	1-(2-METHOXY-ETHOXY)-2-{2-[2-(2-METHOXY-ETHOXY]-ETHOXY}-ETHANE
Molecular weight formula_weight	266.3 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 10 Entity 10 non-polymer

Description description	TRIETHYLENE GLYCOL
Molecular weight formula_weight	150.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 11 Entity 11 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	222

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d6q3ra_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.8 — (Trans)glycosidases
Family Family family	c.1.8.3 — beta-glycanases

Domain ID domain_id	d6q3rb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.8 — (Trans)glycosidases
Family Family family	c.1.8.3 — beta-glycanases

CATH v4.4 (2 domains)

Domain ID domain_id	6q3rA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

Domain ID domain_id	6q3rB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	80 — Glycosidases

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Unit-cell length a length_a	200.200 Å
Unit-cell length b length_b	200.200 Å
Unit-cell length c length_c	106.830 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	32

Space group space_group	I 41 2 2
Space-group number int_tables_number	98
Crystal system crystal_system	—

Resolution resolution	2.690 Å
Low-resolution limit resolution_low	47.170 Å
R factor r_factor	0.1482
R_work r_work	0.1449
R_free r_free	0.2106

ASPERGILLUS ACULEATUS GALACTANASE

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

Arabinogalactan endo-beta-1,4-galactanase

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

6q3r__assembly_1__model_1

6q3r__assembly_1__model_1 | I(q)

6q3r__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 (11)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

ASPERGILLUS ACULEATUS GALACTANASE

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

Arabinogalactan endo-beta-1,4-galactanase

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

6q3r__assembly_1__model_1

6q3r__assembly_1__model_1 | I(q)

6q3r__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 (11)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 branched

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 non-polymer

Entity 9 Entity 9 non-polymer

Entity 10 Entity 10 non-polymer

Entity 11 Entity 11 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)