SAXSdb — 2g0j

▼

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

hypothetical protein SMU.848

Streptococcus mutans

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
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 8	water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8DUQ5_STRMU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 35–145； UniProt 1–111 Author chain B； PDBConstruct 35–145； UniProt 1–111 Author chain C； PDBConstruct 35–145； UniProt 1–111 Author chain D； PDBConstruct 35–145； UniProt 1–111

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	2g0j
Deposition date deposition_date	2006-02-13
Structure title title	Crystal structure of SMU.848 from Streptococcus mutans
Keywords keywords	2-layer (alpha-beta)-sandwich, UNKNOWN FUNCTION; UNKNOWN FUNCTION
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.

2g0j__assembly_1__model_1

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

Download this curve (.dat)

2g0j__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2g0j__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	18.54 Å
Rg (electron density)	17.33 Å
Total Rg	18.27 Å
Atom count	1725
Residues	226
Excluded volume	31001 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2g0j__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2g0j__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2g0j__assembly_3__model_1`	octameric （8）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2g0ja2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.64 — eIF1-like
Superfamily Superfamily superfamily	d.64.2 — TM1457-like
Family Family family	d.64.2.1 — TM1457-like

Domain ID domain_id	d2g0ja3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2g0jb2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.64 — eIF1-like
Superfamily Superfamily superfamily	d.64.2 — TM1457-like
Family Family family	d.64.2.1 — TM1457-like

Domain ID domain_id	d2g0jb3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2g0jc2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.64 — eIF1-like
Superfamily Superfamily superfamily	d.64.2 — TM1457-like
Family Family family	d.64.2.1 — TM1457-like

Domain ID domain_id	d2g0jc3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2g0jd2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.64 — eIF1-like
Superfamily Superfamily superfamily	d.64.2 — TM1457-like
Family Family family	d.64.2.1 — TM1457-like

Domain ID domain_id	d2g0jd3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id	2g0jA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1490 — Cysteine protease Prp

Domain ID domain_id	2g0jB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1490 — Cysteine protease Prp

Domain ID domain_id	2g0jC00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1490 — Cysteine protease Prp

Domain ID domain_id	2g0jD00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	1490 — Cysteine protease Prp

▶

Unit-cell length a length_a	78.160 Å
Unit-cell length b length_b	78.160 Å
Unit-cell length c length_c	130.157 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	24

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2400
R_work r_work	0.2260
R_free r_free	0.2590

Description description	hypothetical protein SMU.848
Molecular weight formula_weight	15707.9 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	3540

Crystal structure of SMU.848 from Streptococcus mutans

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

hypothetical protein SMU.848

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

2g0j__assembly_1__model_1

2g0j__assembly_1__model_1 | I(q)

2g0j__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) 12 domains

SCOP 2.08 (8 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Streptococcus mutans
NCBI taxonomy ID ncbi_taxonomy_id	1309
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	74

Crystal structure of SMU.848 from Streptococcus mutans

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

hypothetical protein SMU.848

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

2g0j__assembly_1__model_1

2g0j__assembly_1__model_1 | I(q)

2g0j__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) 12 domains

SCOP 2.08 (8 domains)

CATH v4.4 (4 domains)

7. Citations (1)