SAXSdb — 3bcv

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

Putative glycosyltransferase protein

Bacteroides fragilis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q5LBM4_BACFN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–232； UniProt 2–230 Author chain B； PDBConstruct 4–232； UniProt 2–230

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	3bcv
Deposition date deposition_date	2007-11-13
Structure title title	Crystal structure of a putative glycosyltransferase from Bacteroides fragilis
Keywords keywords	;Glycosyltransferase, Protein Structure Initiative II, PSI-II, 12059a, NYSGXRC, Structural Genomics, New York SGX Research Center for Structural Genomics, TRANSFERASE ;; TRANSFERASE
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.

3bcv__assembly_1__model_1

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

Download this curve (.dat)

3bcv__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3bcv__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.28 Å
Rg (electron density)	23.48 Å
Total Rg	24.32 Å
Atom count	3110
Residues	384
Excluded volume	56084 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3bcv__assembly_1__model_1`	dimeric （2）	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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3bcvA00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	550 — Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
Homologous superfamily homologous superfamily	10 — Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A

Domain ID domain_id	3bcvB00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	550 — Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
Homologous superfamily homologous superfamily	10 — Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A

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Unit-cell length a length_a	152.434 Å
Unit-cell length b length_b	152.434 Å
Unit-cell length c length_c	152.434 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	48

Space group space_group	I 2 3
Space-group number int_tables_number	197
Crystal system crystal_system	—

Resolution resolution	2.350 Å
Low-resolution limit resolution_low	27.830 Å
R factor r_factor	0.2300
R_work r_work	0.2300
R_free r_free	0.2570

Description description	Putative glycosyltransferase protein
Molecular weight formula_weight	27544.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3214

Crystal structure of a putative glycosyltransferase from Bacteroides fragilis

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

Putative glycosyltransferase protein

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

3bcv__assembly_1__model_1

3bcv__assembly_1__model_1 | I(q)

3bcv__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Bacteroides fragilis
NCBI taxonomy ID ncbi_taxonomy_id	272559
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	104

Crystal structure of a putative glycosyltransferase from Bacteroides fragilis

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

Putative glycosyltransferase protein

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

3bcv__assembly_1__model_1

3bcv__assembly_1__model_1 | I(q)

3bcv__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)