SAXSdb — 3czk

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

Sucrose hydrolase

Xanthomonas axonopodis pv. glycines

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 1	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6UVM5_9XANT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–644； UniProt 1–644

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	3czk
Deposition date deposition_date	2008-04-29
Structure title title	Crystal Structure Analysis of Sucrose hydrolase(SUH) E322Q-sucrose complex
Keywords keywords	(alpha/beta)8-barrel, 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.

3czk__assembly_1__model_1

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

Download this curve (.dat)

3czk__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3czk__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.28 Å
Rg (electron density)	24.08 Å
Total Rg	24.91 Å
Atom count	4821
Residues	618
Excluded volume	84778 Å³
Maximum q	0.500 Å⁻¹

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

Entity 1 Entity 1 polymer

Description description	Sucrose hydrolase
Molecular weight formula_weight	70420.1 kDa
EC 编号 ec_number	3.2.1.48
Mutation mutation	E322Q
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	5085

MSTCPIDPPALRAAFAGPLDPQHAEVLLSRYDQHASRLLDALHALYGQRADYASWLAQWLGEVGDIARQRPQALQTLDSTRHAGWFGQPHMLGYSAYADRFAGTLQGVAERVPYLQELGVRYLHLLPFLRARAGDNDGGFAVSDYGQVEPSLGSNDDLVALTSRLREAGISLCADFVLNHTADDHAWAQAARAGDARYLDYYHHFADRTVPDRYEATLGQVFPHTAPGNFTWVDDTAQWMWTTFYPYQWDLNWSNPAVFGDMALAMLRLANLGVEAFRLDSTAYLWKRIGTDCMNQSEAHTLLVALRAVTDIVAPAVVMKAQAIVPMTQLPPYFGSGVDEGHECHLAYHSTLMAAGWSALALQRGDILHNVIAHSPPLPRHCAWLSYVRCHDDIGWNVLQHEACGNAAQPPFSLRDVARFYANAVPGSYARGESFQSSGDGVHGTNGMAAALAGIQAAQEAGDAAALAVAVDRLVLLYAIALAMPGVPLIYMGDELAMVNDPGYRDDPHRQHEGRWLHRPAMDWQLAAQRHDAKSLSGTVYRRLRGLIRQRAALGALAADQALASIALNDPRVFALTRGDSFIALHNFSDQLLDVELAAIGVDGWTLLAIDDAIGGAAARGDGSIVLPPYGVRWLQRGTEHAPE

Source Source

Source organism organism	Xanthomonas axonopodis pv. glycines
NCBI taxonomy ID ncbi_taxonomy_id	92830
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 branched

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

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	264

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	3czkA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1740 — Rna Polymerase Sigma Factor; Chain: A
Homologous superfamily homologous superfamily	10 — RNA polymerase sigma factor, region 2, helix turn helix motif

Domain ID domain_id	3czkA02
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	3czkA03
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	400 — Oligo-1,6-glucosidase; domain 2
Homologous superfamily homologous superfamily	10 — Oligo-1,6-glucosidase; Domain 2

Domain ID domain_id	3czkA04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1180 — Golgi alpha-mannosidase II

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Unit-cell length a length_a	96.500 Å
Unit-cell length b length_b	118.600 Å
Unit-cell length c length_c	55.600 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	4

Space group space_group	P 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	—
R_work r_work	0.2000
R_free r_free	0.2620

Crystal Structure Analysis of Sucrose hydrolase(SUH) E322Q-sucrose complex

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

Sucrose hydrolase

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

3czk__assembly_1__model_1

3czk__assembly_1__model_1 | I(q)

3czk__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 branched

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Crystal Structure Analysis of Sucrose hydrolase(SUH) E322Q-sucrose complex

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

Sucrose hydrolase

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

3czk__assembly_1__model_1

3czk__assembly_1__model_1 | I(q)

3czk__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 branched

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)