SAXSdb — 2g3o

▼

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

green fluorescent protein 2

Pontellina plumata

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 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6WV12_9MAXI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–220； UniProt 1–222 Author chain B； PDBConstruct 1–220； UniProt 1–222 Author chain C； PDBConstruct 1–220； UniProt 1–222 Author chain D； PDBConstruct 1–220； UniProt 1–222 Author chain E； PDBConstruct 1–220； UniProt 1–222 Author chain F； PDBConstruct 1–220； UniProt 1–222

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	2g3o
Deposition date deposition_date	2006-02-20
Structure title title	The 2.1A crystal structure of copGFP
Keywords keywords	beta-barrel, chromophore, GFP, LUMINESCENT PROTEIN; LUMINESCENT 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.

2g3o__assembly_1__model_1

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

Download this curve (.dat)

2g3o__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2g3o__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.79 Å
Rg (electron density)	21.81 Å
Total Rg	22.79 Å
Atom count	3230
Residues	423
Excluded volume	57073 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2g3o__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2g3o__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2g3o__assembly_3__model_1`	dimeric （2）	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 (6 domains)

Domain ID domain_id	d2g3oa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.22 — GFP-like
Superfamily Superfamily superfamily	d.22.1 — GFP-like
Family Family family	d.22.1.0 — automated matches

Domain ID domain_id	d2g3ob_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.22 — GFP-like
Superfamily Superfamily superfamily	d.22.1 — GFP-like
Family Family family	d.22.1.0 — automated matches

Domain ID domain_id	d2g3oc_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.22 — GFP-like
Superfamily Superfamily superfamily	d.22.1 — GFP-like
Family Family family	d.22.1.0 — automated matches

Domain ID domain_id	d2g3od_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.22 — GFP-like
Superfamily Superfamily superfamily	d.22.1 — GFP-like
Family Family family	d.22.1.0 — automated matches

Domain ID domain_id	d2g3oe_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.22 — GFP-like
Superfamily Superfamily superfamily	d.22.1 — GFP-like
Family Family family	d.22.1.0 — automated matches

Domain ID domain_id	d2g3of_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.22 — GFP-like
Superfamily Superfamily superfamily	d.22.1 — GFP-like
Family Family family	d.22.1.0 — automated matches

CATH v4.4 (6 domains)

Domain ID domain_id	2g3oA00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

Domain ID domain_id	2g3oB00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

Domain ID domain_id	2g3oC00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

Domain ID domain_id	2g3oD00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

Domain ID domain_id	2g3oE00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

Domain ID domain_id	2g3oF00
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	155 — Green Fluorescent Protein
Homologous superfamily homologous superfamily	10 — Green fluorescent protein

▶

Unit-cell length a length_a	145.954 Å
Unit-cell length b length_b	145.954 Å
Unit-cell length c length_c	53.767 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	18

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

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	35.710 Å
R factor r_factor	0.2325
R_work r_work	0.2304
R_free r_free	0.2716

Description description	green fluorescent protein 2
Molecular weight formula_weight	24663.8 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	9837

The 2.1A crystal structure of copGFP

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

green fluorescent protein 2

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

2g3o__assembly_1__model_1

2g3o__assembly_1__model_1 | I(q)

2g3o__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 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Source organism organism	Pontellina plumata
NCBI taxonomy ID ncbi_taxonomy_id	239963
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	214

The 2.1A crystal structure of copGFP

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

green fluorescent protein 2

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

2g3o__assembly_1__model_1

2g3o__assembly_1__model_1 | I(q)

2g3o__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 (6 domains)

CATH v4.4 (6 domains)

7. Citations (1)