SAXSdb — 2gno

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

DNA polymerase III, gamma subunit-related protein

Thermotoga maritima

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	SODIUM ION × 1 UNKNOWN LIGAND × 1 2-ETHOXYETHANOL × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9WZM9_THEMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 2–305； UniProt 9–312

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	2gno
Deposition date deposition_date	2006-04-10
Structure title title	Crystal structure of a dna polymerase iii, gamma subunit-related protein (tm0771) from thermotoga maritima msb8 at 2.00 A resolution
Keywords keywords	Structural genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-2, replication; REPLICATION
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.

2gno__assembly_1__model_1

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

Download this curve (.dat)

2gno__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2gno__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	22.86 Å
Rg (electron density)	22.01 Å
Total Rg	22.83 Å
Atom count	2363
Residues	293
Excluded volume	42745 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2gno__assembly_1__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 (5)

Entity 1 Entity 1 polymer

Description description	DNA polymerase III, gamma subunit-related protein
Molecular weight formula_weight	35485.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2531

GAKDQLETLKRIIEKSEGISILINGEDLSYPREVSLELPEYVEKFPPKASDVLEIDPEGENIGIDDIRTIKDFLNYSPELYTRKYVIVHDCERMTQQAANAFLKALEEPPEYAVIVLNTRRWHYLLPTIKSRVFRVVVNVPKEFRDLVKEKIGDLWEELPLLERDFKTALEAYKLGAEKLSGLMESLKVLETEKLLKKVLSKGLEGYLACRELLERFSKVESKEFFALFDQVTNTITGKDAFLLIQRLTRIILHENTWESVEDQKSVSFLDSILRVKIANLNNKLTLMNILAIHRERKRGVNAWS

Source Source

Source organism organism	Thermotoga maritima
NCBI taxonomy ID ncbi_taxonomy_id	243274
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	UNKNOWN LIGAND
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	2-ETHOXYETHANOL
Molecular weight formula_weight	90.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	107

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2gnoa1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d2gnoa2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

CATH v4.4 (3 domains)

Domain ID domain_id	2gnoA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	2gnoA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	250 — DNA polymerase III clamp loader domain like

Domain ID domain_id	2gnoA03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	135.560 Å
Unit-cell length b length_b	135.560 Å
Unit-cell length c length_c	35.560 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	I 4
Space-group number int_tables_number	79
Crystal system crystal_system	—

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	27.940 Å
R factor r_factor	0.2230
R_work r_work	0.2200
R_free r_free	0.2780

Crystal structure of a dna polymerase iii, gamma subunit-related protein (tm0771) from thermotoga maritima msb8 at 2.00 A resolution

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

DNA polymerase III, gamma subunit-related 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

2gno__assembly_1__model_1

2gno__assembly_1__model_1 | I(q)

2gno__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) 5 domains

SCOP 2.08 (2 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Crystal structure of a dna polymerase iii, gamma subunit-related protein (tm0771) from thermotoga maritima msb8 at 2.00 A resolution

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

DNA polymerase III, gamma subunit-related 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

2gno__assembly_1__model_1

2gno__assembly_1__model_1 | I(q)

2gno__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) 5 domains

SCOP 2.08 (2 domains)

CATH v4.4 (3 domains)

7. Citations (1)