SAXSdb — 3gf8

▼

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

putative polysaccharide binding proteins (DUF1812)

Bacteroides thetaiotaomicron VPI-5482

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8A8V5_BACTN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–296； UniProt 23–317

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	3gf8
Deposition date deposition_date	2009-02-26
Structure title title	Crystal structure of putative polysaccharide binding proteins (DUF1812) (NP_809975.1) from BACTEROIDES THETAIOTAOMICRON VPI-5482 at 2.20 A resolution
Keywords keywords	;NP_809975.1, putative polysaccharide binding proteins (DUF1812), Structural Genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, Lipoprotein, Unknown function, Carbohydrate Binding Protein ;; Carbohydrate Binding Protein
Experimental Method method	X-RAY DIFFRACTION

▼

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.

3gf8__assembly_1__model_1

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

Download this curve (.dat)

3gf8__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3gf8__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.90 Å
Rg (electron density)	21.28 Å
Total Rg	21.86 Å
Atom count	2299
Residues	274
Excluded volume	40919 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3gf8__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	putative polysaccharide binding proteins (DUF1812)
Molecular weight formula_weight	34776.4 kDa
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	2499

GASCDSFNEDLPECRLSVKFKYDYNMEFADAFHAQVDKVELYVFDKNGKYLFKQAEEGSALSTGNYLMEVELPVGQYQFMAWAGARDSYDITSLTPGVSTLTDLKLKLKREASLIINKRMETLWYGEVINVNFDGTVHQTETINLIRDTKIVRFGFQSYTGSWTLDMNDYDYEIIESNGHLGHDNSLLDDDVLSFRPYYMEQKDPATAYVDMNTMRLMEDRKTRLVLTEKASGKRVFDINLIDYLAMTNAEGKNLSTQEYLDRQSNYHIIFFLSESWLAVQIVVNGWVHRIQEENQ

Source Source

Source organism organism	Bacteroides thetaiotaomicron VPI-5482
NCBI taxonomy ID ncbi_taxonomy_id	226186
Host organism host_organism	Escherichia Coli

Entity 2 Entity 2 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
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	174

▼

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3gf8A01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	2100 —

Domain ID domain_id	3gf8A02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	2090 —

▶

Unit-cell length a length_a	106.894 Å
Unit-cell length b length_b	106.894 Å
Unit-cell length c length_c	79.144 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 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	29.643 Å
R factor r_factor	0.1910
R_work r_work	0.1890
R_free r_free	0.2290

Crystal structure of putative polysaccharide binding proteins (DUF1812) (NP_809975.1) from BACTEROIDES THETAIOTAOMICRON VPI-5482 at 2.20 A resolution

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

putative polysaccharide binding proteins (DUF1812)

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

3gf8__assembly_1__model_1

3gf8__assembly_1__model_1 | I(q)

3gf8__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

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (2)

Crystal structure of putative polysaccharide binding proteins (DUF1812) (NP_809975.1) from BACTEROIDES THETAIOTAOMICRON VPI-5482 at 2.20 A resolution

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

putative polysaccharide binding proteins (DUF1812)

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

3gf8__assembly_1__model_1

3gf8__assembly_1__model_1 | I(q)

3gf8__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

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (2)