SAXSdb — 2q9l

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

Hypothetical protein

Vibrio sp. DAT722

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	MAGNESIUM ION × 4 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q2F9Z1_9VIBR
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–94； UniProt 1–94 Author chain B； PDBConstruct 1–94； UniProt 1–94 Author chain C； PDBConstruct 1–94； UniProt 1–94 Author chain D； PDBConstruct 1–94； UniProt 1–94

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	2q9l
Deposition date deposition_date	2007-06-13
Structure title title	Crystal structure of iMazG from Vibrio DAT 722: Ctag-iMazG (P43212)
Keywords keywords	MazG, Vibrio, NTP-PPase, HYDROLASE; HYDROLASE
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.

2q9l__assembly_1__model_1

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

Download this curve (.dat)

2q9l__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2q9l__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.37 Å
Rg (electron density)	20.25 Å
Total Rg	21.28 Å
Atom count	2723
Residues	337
Excluded volume	48654 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2q9l__assembly_1__model_1`	tetrameric （4）	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 (3)

Entity 1 Entity 1 polymer

Description description	Hypothetical protein
Molecular weight formula_weight	11734.2 kDa
EC 编号 ec_number	3.6.1.19
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	2837

MKLSELQSHIKEFDYAPEQSEHYFFKLIEEVGELSESIRKGKSGQPTLDELKGSVAEELYDVLYYVCALANIHGVNLEKTHELKEVLNKVKYNRHHHHHH

Source Source

Source organism organism	Vibrio sp. DAT722
NCBI taxonomy ID ncbi_taxonomy_id	344879
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	114

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2q9la_
Class class	a — All alpha proteins
Fold Fold fold	a.204 — all-alpha NTP pyrophosphatases
Superfamily Superfamily superfamily	a.204.1 — all-alpha NTP pyrophosphatases
Family Family family	a.204.1.0 — automated matches

Domain ID domain_id	d2q9lb_
Class class	a — All alpha proteins
Fold Fold fold	a.204 — all-alpha NTP pyrophosphatases
Superfamily Superfamily superfamily	a.204.1 — all-alpha NTP pyrophosphatases
Family Family family	a.204.1.0 — automated matches

Domain ID domain_id	d2q9lc_
Class class	a — All alpha proteins
Fold Fold fold	a.204 — all-alpha NTP pyrophosphatases
Superfamily Superfamily superfamily	a.204.1 — all-alpha NTP pyrophosphatases
Family Family family	a.204.1.0 — automated matches

Domain ID domain_id	d2q9ld_
Class class	a — All alpha proteins
Fold Fold fold	a.204 — all-alpha NTP pyrophosphatases
Superfamily Superfamily superfamily	a.204.1 — all-alpha NTP pyrophosphatases
Family Family family	a.204.1.0 — automated matches

CATH v4.4 (4 domains)

Domain ID domain_id	2q9lA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	1080 — MazG-like

Domain ID domain_id	2q9lB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	1080 — MazG-like

Domain ID domain_id	2q9lC00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	1080 — MazG-like

Domain ID domain_id	2q9lD00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	1080 — MazG-like

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Unit-cell length a length_a	88.246 Å
Unit-cell length b length_b	88.246 Å
Unit-cell length c length_c	159.107 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	32

Space group space_group	P 43 21 2
Space-group number int_tables_number	96
Crystal system crystal_system	—

Resolution resolution	2.200 Å
Low-resolution limit resolution_low	36.270 Å
R factor r_factor	0.2190
R_work r_work	0.2180
R_free r_free	0.2400

Crystal structure of iMazG from Vibrio DAT 722: Ctag-iMazG (P43212)

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

Hypothetical 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

2q9l__assembly_1__model_1

2q9l__assembly_1__model_1 | I(q)

2q9l__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal structure of iMazG from Vibrio DAT 722: Ctag-iMazG (P43212)

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

Hypothetical 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

2q9l__assembly_1__model_1

2q9l__assembly_1__model_1 | I(q)

2q9l__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)