SAXSdb — 1x1i

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

xanthan lyase

Bacillus sp. GL1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	(4AR,6R,7S,8R,8AS)-HEXAHYDRO-6,7,8-TRIHYDROXY-2-METHYLPYRANO[3,2-D][1,3]DIOXINE-2-CARBOXYLIC ACID × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9AQS0_BACGL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–752； UniProt 26–777

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	1x1i
Deposition date deposition_date	2005-04-04
Structure title title	Crystal Structure of Xanthan Lyase (N194A) Complexed with a Product
Keywords keywords	alpha/alpha barrel, beta sandwich, LYASE; LYASE
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.

1x1i__assembly_1__model_1

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

Download this curve (.dat)

1x1i__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1x1i__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.16 Å
Rg (electron density)	27.34 Å
Total Rg	28.12 Å
Atom count	5709
Residues	752
Excluded volume	100470 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1x1i__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	xanthan lyase
Molecular weight formula_weight	80713.4 kDa
EC 编号 ec_number	4.2.2.12
Mutation mutation	N194A
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	6528

SDEFDALRIKWATLLTGGPALDPADSDIAARTDKLAQDANDYWEDMDLSSSRTYIWYALRGNGTSDNVNAVYERLRTMALAATTVGSSLYGNADLKEDILDALDWLYVNSYNSTRSRSAYNWWHWQLGIPMSLNDIAVLLYDDISAARMATYMDTIDYFTPSIGLTGAARAWQAIVVGVRAVIVKDAVKLAAARNGLSGTGIFPYATGGDGFYADGSFVQHTTFAYTGGYGSSVLETTANLMYLLSGSTWSVSDPNQSNVWQWIYEAYRPLLYKGAMMDMVRGREISRSYAQDHAVGHGIVASIVRLAQFAPAPHAAAFKQIAKRVIQEDTFSSFYGDVSTDTIRLAKAIVDDPSIAPAAAPNLYKQYAAMDRAVLQRPGFALGLALYSTRISSYESINSENGRGWYTGAGATYLYNQDLAQYSEDYWPTVDAYRIPGTTVASGTPIASGTGTSSWTGGVSLAGQYGASGMDLSYGAYNLSARKSWFMFDDEIVALGSGISSTAGIPIETVVDNRKLNGAGDNAWTANGAALSTGLGVAQTLTGVNWVHLAGNTADGSDIGYYFPGGATLQTKREARTGTWKQINNRPATPSTAVTRNYETMWIDHGTNPSGASYGYVLLPNKTSAQVGAYAADPAIEIVVNTSGVQSVKEKTLGLVGANFWTDTTQTADLITSNKKASVMTREIADERLEASVSDPTQANNGTIAIELARSAEGYSADPGITVTQLAPTIKFTVNVNGAKGKSFHASFQLG

Source Source

Source organism organism	Bacillus sp. GL1
NCBI taxonomy ID ncbi_taxonomy_id	84635
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	(4AR,6R,7S,8R,8AS)-HEXAHYDRO-6,7,8-TRIHYDROXY-2-METHYLPYRANO[3,2-D][1,3]DIOXINE-2-CARBOXYLIC ACID
Molecular weight formula_weight	250.2 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	795

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1x1ia1
Class class	a — All alpha proteins
Fold Fold fold	a.102 — alpha/alpha toroid
Superfamily Superfamily superfamily	a.102.3 — Chondroitin AC/alginate lyase
Family Family family	a.102.3.2 — Hyaluronate lyase-like catalytic, N-terminal domain

Domain ID domain_id	d1x1ia2
Class class	b — All beta proteins
Fold Fold fold	b.24 — Hyaluronate lyase-like, C-terminal domain
Superfamily Superfamily superfamily	b.24.1 — Hyaluronate lyase-like, C-terminal domain
Family Family family	b.24.1.0 — automated matches

Domain ID domain_id	d1x1ia3
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.30.5.0 — automated matches

CATH v4.4 (3 domains)

Domain ID domain_id	1x1iA01
Class class	1 — Mainly Alpha
Architecture architecture	50 — Alpha/alpha barrel
Topology topology	10 — Glycosyltransferase
Homologous superfamily homologous superfamily	100 — Chondroitin AC/alginate lyase

Domain ID domain_id	1x1iA02
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	1x1iA03
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	220 — Chondroitinase Ac; Chain A, domain 3
Homologous superfamily homologous superfamily	10 — Polysaccharide lyase family 8-like, C-terminal

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Unit-cell length a length_a	53.802 Å
Unit-cell length b length_b	90.677 Å
Unit-cell length c length_c	77.920 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	99.09 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	47.360 Å
R factor r_factor	0.1760
R_work r_work	0.1760
R_free r_free	0.2040

Crystal Structure of Xanthan Lyase (N194A) Complexed with a Product

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

xanthan lyase

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

1x1i__assembly_1__model_1

1x1i__assembly_1__model_1 | I(q)

1x1i__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Crystal Structure of Xanthan Lyase (N194A) Complexed with a Product

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

xanthan lyase

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

1x1i__assembly_1__model_1

1x1i__assembly_1__model_1 | I(q)

1x1i__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

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

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (1)