SAXSdb — 2dqa

▼

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

Lysozyme

Tapes japonica

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Homooligomer	Protein 2 其他Polymer 2	;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 PLATINUM (II) ION × 8 beta-D-glucopyranose × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8IU26_9BIVA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–124； UniProt 12–134 Author chain B； PDBConstruct 2–124； UniProt 12–134

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	2dqa
Deposition date deposition_date	2006-05-24
Structure title title	Crystal Structure of Tapes japonica Lysozyme
Keywords keywords	LYSOZYME, ENZYME, SUBSTRATE COMPLEX, 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.

2dqa__assembly_1__model_1

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

Download this curve (.dat)

2dqa__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2dqa__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.12 Å
Rg (electron density)	18.57 Å
Total Rg	19.28 Å
Atom count	2026
Residues	246
Excluded volume	36227 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2dqa__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Lysozyme
Molecular weight formula_weight	13881.2 kDa
EC 编号 ec_number	3.2.1.17
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	2511

SFAPGMVSQKCLLCMCKLESGGCKPIGCRMDVGSLSCGYFQIKQPYWIDCGKPGKDWKSCSNDINCSSKCVQQYMKRYATHYRCPLNCEGFAREHNGGPNGCHSSRTLKYWELLQKIPGCKGVK

Source Source

Source organism organism	Tapes japonica
NCBI taxonomy ID ncbi_taxonomy_id	152465
Host organism host_organism	Pichia pastoris

Entity 2 Entity 2 branched

Description description	;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	627.6 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	PLATINUM (II) ION
Molecular weight formula_weight	195.1 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 4 Entity 4 non-polymer

Description description	beta-D-glucopyranose
Molecular weight formula_weight	180.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	354

▼

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	2dqaA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	530 — Lysozyme
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	2dqaB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	530 — Lysozyme
Homologous superfamily homologous superfamily	10 —

▶

Unit-cell length a length_a	42.749 Å
Unit-cell length b length_b	88.760 Å
Unit-cell length c length_c	43.644 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	116.04 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	33.860 Å
R factor r_factor	0.1764
R_work r_work	0.1747
R_free r_free	0.2099

Crystal Structure of Tapes japonica Lysozyme

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

Lysozyme

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

2dqa__assembly_1__model_1

2dqa__assembly_1__model_1 | I(q)

2dqa__assembly_1__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Crystal Structure of Tapes japonica Lysozyme

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

Lysozyme

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

2dqa__assembly_1__model_1

2dqa__assembly_1__model_1 | I(q)

2dqa__assembly_1__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 (5)

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 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)