SAXSdb — 1ulv

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

glucodextranase

OrganismNot specified

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	;4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose ; × 1 CALCIUM ION × 6 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9LBQ9_ARTGO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–1020； UniProt 29–1048

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	1ulv
Deposition date deposition_date	2003-09-16
Structure title title	Crystal Structure of Glucodextranase Complexed with Acarbose
Keywords keywords	GH family 15, (alpha-alpha)6-barrel, SLH domain, 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.

1ulv__assembly_1__model_1

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

Download this curve (.dat)

1ulv__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1ulv__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.79 Å
Rg (electron density)	35.55 Å
Total Rg	35.91 Å
Atom count	7544
Residues	1019
Excluded volume	132150 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1ulv__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	glucodextranase
Molecular weight formula_weight	106526.8 kDa
EC 编号 ec_number	3.2.1.70
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	7980

ETAEPPGSPGAAATWTKGDKEGVGTSLNPASKVWYTLTEGTMSEVYYPHADTPNTRELQFAVSDGTSAQRESEQTTRTVELADPKALSYRQTTTDNAGRWRLTKTYVTDPRRSTVMLGVTFEVLDGGDYQLFVLSDPSLAGTSGGDTGSVTDGALLASDLADAATPVATALVSSVGFGAVANGYVGTSDGWTDLAADGRLDNASATAGPGNISQTGQIPLAAGGKTEFSLALGFGADTAEALATAKASLGTGYKKVSKSYTGEWKKYLNSLDAPATSLTGALRTQYDVSLMTVKSHEDKTFPGAFIASLTIPWGQAASAETHREGYHAVWARDMYQSVTALLAAGDEEAAARGVEWLFTYQQQPDGHFPQTSRVDGTIGQNGIQLDETAFPILLANQIGRTDAGFYRNELKPAADYLVAAGPKTPQERWEETGGYSTSTLASQIAALAAAADIAGKNGDAGSAAVYRATADEWQRSTEKWMFTTNGPVGDGKYYLRISATGNPNDGATRDWGNGAGVHPENAVLDGGFLEFVRLGVKAPADPYVADSLAETDASISQETPGGRMWHRYTYDGYGEKADGSPWDGTGIGRLWPLLSGERGEYALANGQDALPYLETMHSAANAGYMIPEQVWDRDEPTSYGHELGRSTGSASPLSWAMAQYVRLAAGVKAGAPVETPQNVAARYAAGTPLSSPELSVTAPEALSTADSATAVVRGTTNAAKVYVSVNGTATEAPVTDGTFSLDVALTGAKNKVTVAAVAADGGTAVEDRTVLYYGSRIGALSDPAGDDNGPGTYRYPTNSAYVPGAFDLTGVDVYDAGDDYAFVATIAGEVTNPWGGQAISHQRVNIYLGKGEGGATPGLPGTNINLEHAWDSVIVTDGRFDGAGVYAPDGTRTSAVSLLAVPEARQIVTRVPKAALGGLDPATARMSVAMFGNAESGEGIGNVRPVYDGAYWEAGDPAWIKEWRFGGGAGVFDGTIPSRDTDTDDPNALDVLVGEGQTQAAVLDWRAGSPVVVPMLGLQP

Entity 2 Entity 2 branched

Description description	;4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose ;
Molecular weight formula_weight	483.5 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	436

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1ulva1
Class class	a — All alpha proteins
Fold Fold fold	a.102 — alpha/alpha toroid
Superfamily Superfamily superfamily	a.102.1 — Six-hairpin glycosidases
Family Family family	a.102.1.5 — Bacterial glucoamylase C-terminal domain-like

Domain ID domain_id	d1ulva2
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.18 — E set domains
Family Family family	b.1.18.2 — E-set domains of sugar-utilizing enzymes

Domain ID domain_id	d1ulva3
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.9 — CBD9-like
Family Family family	b.1.9.3 — Glucodextranase, domain C

Domain ID domain_id	d1ulva4
Class class	b — All beta proteins
Fold Fold fold	b.30 — Supersandwich
Superfamily Superfamily superfamily	b.30.5 — Galactose mutarotase-like
Family Family family	b.30.5.5 — Bacterial glucoamylase N-terminal domain-like

CATH v4.4 (4 domains)

Domain ID domain_id	1ulvA01
Class class	2 — Mainly Beta
Architecture architecture	70 — Distorted Sandwich
Topology topology	98 — Beta-galactosidase; Chain A, domain 5
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1ulvA02
Class class	1 — Mainly Alpha
Architecture architecture	50 — Alpha/alpha barrel
Topology topology	10 — Glycosyltransferase
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1ulvA03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	1ulvA04
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1190 —

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Unit-cell length a length_a	198.795 Å
Unit-cell length b length_b	88.247 Å
Unit-cell length c length_c	80.994 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	112.55 °
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	2.420 Å
Low-resolution limit resolution_low	49.590 Å
R factor r_factor	0.1960
R_work r_work	0.1960
R_free r_free	0.2380

Crystal Structure of Glucodextranase Complexed with Acarbose

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

glucodextranase

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

1ulv__assembly_1__model_1

1ulv__assembly_1__model_1 | I(q)

1ulv__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

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal Structure of Glucodextranase Complexed with Acarbose

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

glucodextranase

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

1ulv__assembly_1__model_1

1ulv__assembly_1__model_1 | I(q)

1ulv__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

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)