SAXSdb — 3lgr

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

Endo-1,4-beta-xylanase 2

Hypocrea jecorina

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	EUROPIUM ION × 3 PYRIDINE-2,6-DICARBOXYLIC ACID × 3 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	XYN2_TRIRE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–190； UniProt 34–222

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	3lgr
Deposition date deposition_date	2010-01-21
Structure title title	Xylanase II from Trichoderma reesei cocrystallized with tris-dipicolinate europium
Keywords keywords	Europium tris-dipicolinate complex, Glycoprotein, Glycosidase, Hydrolase, Xylan degradation; 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.

3lgr__assembly_1__model_1

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

Download this curve (.dat)

3lgr__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3lgr__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	16.89 Å
Rg (electron density)	15.43 Å
Total Rg	16.74 Å
Atom count	1519
Residues	189
Excluded volume	26358 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3lgr__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 (4)

Entity 1 Entity 1 polymer

Description description	Endo-1,4-beta-xylanase 2
Molecular weight formula_weight	20838.4 kDa
EC 编号 ec_number	3.2.1.8
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1887

QTIQPGTGYNNGYFYSYWNDGHGGVTYTNGPGGQFSVNWSNSGNFVGGKGWQPGTKNKVINFSGSYNPNGNSYLSVYGWSRNPLIEYYIVENFGTYNPSTGATKLGEVTSDGSVYDIYRTQRVNQPSIIGTATFYQYWSVRRNHRSSGSVNTANHFNAWAQQGLTLGTMDYQIVAVEGYFSSGSASITVS

Source Source

Source organism organism	Hypocrea jecorina
Common name common_name	Hypocrea jecorina
NCBI taxonomy ID ncbi_taxonomy_id	51453
Host organism host_organism	Trichoderma longibrachiatum

Entity 2 Entity 2 non-polymer

Description description	EUROPIUM ION
Molecular weight formula_weight	152.0 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	PYRIDINE-2,6-DICARBOXYLIC ACID
Molecular weight formula_weight	167.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 water

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

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3lgra1
Class class	b — All beta proteins
Fold Fold fold	b.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamily	b.29.1 — Concanavalin A-like lectins/glucanases
Family Family family	b.29.1.11 — Xylanase/endoglucanase 11/12

Domain ID domain_id	d3lgra2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id	3lgrA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	180 — Glycoside hydrolase family 11/12, catalytic domain

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Unit-cell length a length_a	110.890 Å
Unit-cell length b length_b	38.370 Å
Unit-cell length c length_c	47.590 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	99.83 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.640 Å
Low-resolution limit resolution_low	19.510 Å
R factor r_factor	0.1394
R_work r_work	0.1378
R_free r_free	0.1677

Xylanase II from Trichoderma reesei cocrystallized with tris-dipicolinate europium

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

Endo-1,4-beta-xylanase 2

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

3lgr__assembly_1__model_1

3lgr__assembly_1__model_1 | I(q)

3lgr__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Xylanase II from Trichoderma reesei cocrystallized with tris-dipicolinate europium

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

Endo-1,4-beta-xylanase 2

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

3lgr__assembly_1__model_1

3lgr__assembly_1__model_1 | I(q)

3lgr__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)