SAXSdb — 3rrx

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

Exo-1,3/1,4-beta-glucanase

Pseudoalteromonas sp.

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	CALCIUM ION × 1 SODIUM ION × 1 1,2-ETHANEDIOL × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q0QJA3_9GAMM
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–814； UniProt 28–840

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	3rrx
Deposition date deposition_date	2011-05-01
Structure title title	Crystal Structure of Q683A mutant of Exo-1,3/1,4-beta-glucanase (ExoP) from Pseudoalteromonas sp. BB1
Keywords keywords	(ALPHA/BETA)8 BARREL, (ALPHA/BETA)6 SHEET, 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.

3rrx__assembly_1__model_1

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

Download this curve (.dat)

3rrx__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3rrx__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.76 Å
Rg (electron density)	25.04 Å
Total Rg	26.03 Å
Atom count	4833
Residues	621
Excluded volume	85595 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3rrx__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 (5)

Entity 1 Entity 1 polymer

Description description	Exo-1,3/1,4-beta-glucanase
Molecular weight formula_weight	90564.5 kDa
EC 编号 ec_number	3.2.1.-
Mutation mutation	Q683A
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	5468

MAEHEQVNWPYVNTKLKRDPAVEAQIEKLLAKMTIEQKVAQMIQPEIGYLTVEQMRKYGFGSYLNGGNTAPYGNKRADQATWLKYADEMYLAAMDSTLDGIAIPTVWGTDAMHGHSNVYGATLFPHNIGLGAARDTDLIKRIGQATAKEVAATGIEWSFAPTVAVVRDDRWGRTYESYSEDPDLVKRYAGEMVTGIQGDVGADFLKGSNRIATAKHFVGDGGTERGVDRGNTLIDEKGLRDIHSAGYFSAINQGVQSVMASFNSWNGKRVHGDKHLLTDVLKNQLGFDGFVVSDWNAHKFVEGCDLEQCAQAINAGVDVIMVPEHFEAFYHNTVKQVKAGVIAESRINDAVRRFLRAKIRWGVFTKSKPSARPESQHPQWLGAAEHRTLAREAVRKSLVLLKNNESILPIKASSRILVAGKGANAINMQAGGWSVSWQGTDNTNSDFPNATSIFSGLQSQVTKAGGKITLSESGEYTSKPDVAIVVIGEEPYAEWFGDIELLEFQHETKHALALLKQLKADNIPVVTVFLSGRPLWVNKELNASDAFVAAWLPGSEGEGVADVLLTNKQGKTQFDFTGKLSFSWPKYDDQFTLNLNDADYDPLFAYGYGLTYQDNINVPVLSEKTSPKKTVNSDSHPLFVRSLAKNMTWQLADTSTQKVLASGASATSGDKQSLLMQSVNLSYAEDGRGFNWRAQAALSLSYLEPTPLDSKFSTGYLELKMRIDKAPEQGANLQVMCSESNCLRDIDFSSFSQLMADKSWHTLAIPLHCDDSDQAEQPITDALRITSQNLSLAIADVALTIKPSDDSISLTCAKLEHHHHHH

Source Source

Source organism organism	Pseudoalteromonas sp.
NCBI taxonomy ID ncbi_taxonomy_id	368972
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
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	614

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3rrxA01
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	300 — Glycoside hydrolase, family 3, N-terminal domain

Domain ID domain_id	3rrxA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1700 — Glycoside hydrolase family 3 C-terminal domain

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Unit-cell length a length_a	68.247 Å
Unit-cell length b length_b	178.601 Å
Unit-cell length c length_c	176.047 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	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	19.980 Å
R factor r_factor	0.1638
R_work r_work	0.1624
R_free r_free	0.1897

Crystal Structure of Q683A mutant of Exo-1,3/1,4-beta-glucanase (ExoP) from Pseudoalteromonas sp. BB1

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

Exo-1,3/1,4-beta-glucanase

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

3rrx__assembly_1__model_1

3rrx__assembly_1__model_1 | I(q)

3rrx__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (2)

Crystal Structure of Q683A mutant of Exo-1,3/1,4-beta-glucanase (ExoP) from Pseudoalteromonas sp. BB1

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

Exo-1,3/1,4-beta-glucanase

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

3rrx__assembly_1__model_1

3rrx__assembly_1__model_1 | I(q)

3rrx__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (2)