SAXSdb — 3c4s

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

Ssl0352 protein

Synechocystis sp.

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	P74795_SYNY3
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–58； UniProt 1–58 Author chain B； PDBConstruct 1–58； UniProt 1–58

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	3c4s
Deposition date deposition_date	2008-01-30
Structure title title	Crystal structure of the Ssl0352 protein from Synechocystis sp. Northeast Structural Genomics Consortium target SgR42
Keywords keywords	;P74795_SYNY3, Ssl0352, NESG, SgR42, Structural Genomics, PSI-2, Protein Structure Initiative, Northeast Structural Genomics Consortium, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

3c4s__assembly_1__model_1

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

Download this curve (.dat)

3c4s__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3c4s__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	12.31 Å
Rg (electron density)	10.65 Å
Total Rg	12.27 Å
Atom count	453
Residues	57
Excluded volume	8068 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3c4s__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3c4s__assembly_2__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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3c4sA00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	140 —

Domain ID domain_id	3c4sB00
Class class	2 — Mainly Beta
Architecture architecture	30 — Roll
Topology topology	30 — SH3 type barrels.
Homologous superfamily homologous superfamily	140 —

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Unit-cell length a length_a	44.606 Å
Unit-cell length b length_b	44.606 Å
Unit-cell length c length_c	65.100 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	6

Space group space_group	P 32
Space-group number int_tables_number	145
Crystal system crystal_system	—

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	24.890 Å
R factor r_factor	0.1860
R_work r_work	0.1860
R_free r_free	0.1940

Description description	Ssl0352 protein
Molecular weight formula_weight	7655.6 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	1043

Crystal structure of the Ssl0352 protein from Synechocystis sp. Northeast Structural Genomics Consortium target SgR42

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

Ssl0352 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

3c4s__assembly_1__model_1

3c4s__assembly_1__model_1 | I(q)

3c4s__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	Synechocystis sp.
NCBI taxonomy ID ncbi_taxonomy_id	1148
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	149

Crystal structure of the Ssl0352 protein from Synechocystis sp. Northeast Structural Genomics Consortium target SgR42

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

Ssl0352 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

3c4s__assembly_1__model_1

3c4s__assembly_1__model_1 | I(q)

3c4s__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)