SAXSdb — 3g3s

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

GCN5-related N-acetyltransferase

Streptococcus suis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	SODIUM ION × 1 CACODYLATE ION × 1 1,2-ETHANEDIOL × 6 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	SODIUM ION × 1 CACODYLATE ION × 1 1,2-ETHANEDIOL × 6 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q302C5_STRSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–249； UniProt 1–248 Author chain B； PDBConstruct 2–249； UniProt 1–248

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	3g3s
Deposition date deposition_date	2009-02-02
Structure title title	Crystal structure of GCN5-related N-acetyltransferase-like protein (ZP_00874857) (ZP_00874857.1) from Streptococcus suis 89/1591 at 1.80 A resolution
Keywords keywords	;ZP_00874857.1, GCN5-related N-acetyltransferase-like protein (ZP_00874857), Acetyltransferase (GNAT) family, Structural Genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, 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.

3g3s__assembly_1__model_1

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

Download this curve (.dat)

3g3s__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3g3s__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.23 Å
Rg (electron density)	26.56 Å
Total Rg	27.18 Å
Atom count	3934
Residues	490
Excluded volume	70218 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3g3s__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3g3s__assembly_2__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 (5)

Entity 1 Entity 1 polymer

Description description	GCN5-related N-acetyltransferase
Molecular weight formula_weight	28406.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4545

GMAEQMRRVARLFGDWPETIIWTCLEGTMGDIYVDDSQSPQSALALYGRQSFFGFLAGQPHRDLLKICEGKNIILVPQNQAWSDLIEEVYGDGVRFFTRYATKKDTEFDLGHLQKLVDDLPESFDMKLIDRNLYETCLVEEWSRDLVGNYIDVEQFLDLGLGCVILHKGQVVSGASSYASYSAGIEIEVDTREDYRGLGLAKACAAQLILACLDRGLYPSWDAHTLTSLKLAEKLGYELDKAYQAYEWR

Source Source

Source organism organism	Streptococcus suis
NCBI taxonomy ID ncbi_taxonomy_id	286604
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	CACODYLATE ION
Molecular weight formula_weight	137.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	532

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	3g3sA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	630 — Aminopeptidase
Homologous superfamily homologous superfamily	110 — GNAT acetyltransferase-like

Domain ID domain_id	3g3sA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	630 — Aminopeptidase
Homologous superfamily homologous superfamily	30 — Gcn5-related N-acetyltransferase (GNAT)

Domain ID domain_id	3g3sB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	630 — Aminopeptidase
Homologous superfamily homologous superfamily	110 — GNAT acetyltransferase-like

Domain ID domain_id	3g3sB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	630 — Aminopeptidase
Homologous superfamily homologous superfamily	30 — Gcn5-related N-acetyltransferase (GNAT)

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Unit-cell length a length_a	71.395 Å
Unit-cell length b length_b	83.880 Å
Unit-cell length c length_c	93.763 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 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.800 Å
Low-resolution limit resolution_low	29.285 Å
R factor r_factor	0.2050
R_work r_work	0.2030
R_free r_free	0.2390

Crystal structure of GCN5-related N-acetyltransferase-like protein (ZP_00874857) (ZP_00874857.1) from Streptococcus suis 89/1591 at 1.80 A resolution

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

GCN5-related N-acetyltransferase

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

3g3s__assembly_1__model_1

3g3s__assembly_1__model_1 | I(q)

3g3s__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of GCN5-related N-acetyltransferase-like protein (ZP_00874857) (ZP_00874857.1) from Streptococcus suis 89/1591 at 1.80 A resolution

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

GCN5-related N-acetyltransferase

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

3g3s__assembly_1__model_1

3g3s__assembly_1__model_1 | I(q)

3g3s__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)