SAXSdb — 7r28

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

EGI

Thermoascus aurantiacus ATCC 26904

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	SULFATE ION × 3 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	SULFATE ION × 4 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8TG26_THEAU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–305； UniProt 31–335 Author chain B； PDBConstruct 1–305； UniProt 31–335

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	7r28
Deposition date deposition_date	2022-02-04
Structure title title	Crystal structure of Ta_Cel5A E133Q Y200F variant, apoform
Keywords keywords	cellulase, GH5_5 family, GH-A clan, (a/b)8 fold, Thermoascus aurantiacus, 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.

7r28__assembly_1__model_1

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

Download this curve (.dat)

7r28__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7r28__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.04 Å
Rg (electron density)	17.76 Å
Total Rg	18.80 Å
Atom count	2387
Residues	304
Excluded volume	41973 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7r28__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`7r28__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 (3)

Entity 1 Entity 1 polymer

Description description	EGI
Molecular weight formula_weight	33712.3 kDa
EC 编号 ec_number	3.2.1.4
Mutation mutation	E133Q Y200F
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	5996

AKVFQWFGSNESGAEFGSQNLPGVEGKDYIWPDPNTIDTLISKGMNIFRVPFMMERLVPNSMTGSPDPNYLADLIATVNAITQKGAYAVVDPHNYGRYYNSIISSPSDFQTFWKTVASQFASNPLVIFDTNNQYHDMDQTLVLNLNQAAIDGIRSAGATSQYIFVEGNSWTGAWTWTNVNDNMKSLTDPSDKIIYEMHQFLDSDGSGTSATCVSSTIGQERITSATQWLRANGKKGIIGEFAGGANDVCETAITGMLDYMAQNTDVWTGAIWWAAGPWWGDYIFSMEPDNGIAYQQILPILTPYL

Source Source

Source organism organism	Thermoascus aurantiacus ATCC 26904
NCBI taxonomy ID ncbi_taxonomy_id	1133049
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1007

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Unit-cell length a length_a	76.030 Å
Unit-cell length b length_b	85.100 Å
Unit-cell length c length_c	89.510 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	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.220 Å
Low-resolution limit resolution_low	42.550 Å
R factor r_factor	0.1572
R_work r_work	0.1567
R_free r_free	0.1660

Crystal structure of Ta_Cel5A E133Q Y200F variant, apoform

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

EGI

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

7r28__assembly_1__model_1

7r28__assembly_1__model_1 | I(q)

7r28__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

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

7. Citations (1)

Crystal structure of Ta_Cel5A E133Q Y200F variant, apoform

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

EGI

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

7r28__assembly_1__model_1

7r28__assembly_1__model_1 | I(q)

7r28__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

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

7. Citations (1)