SAXSdb — 1w59

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

CELL DIVISION PROTEIN FTSZ HOMOLOG 1

METHANOCALDOCOCCUS JANNASCHII

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FTZ1_METJAX
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–364； UniProt 1–364 Author chain B； PDBConstruct 1–364； UniProt 1–364

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	1w59
Deposition date deposition_date	2004-08-06
Structure title title	FtsZ dimer, empty (M. jannaschii)
Keywords keywords	;CELL DIVISION, CELL DIVISION PROTEIN, CELL-DIVISION PROTEIN, FTSZ, GTP-BINDING, MULTIGENE FAMILY, SEPTATION, TUBULIN, FILAMENT, Z-RING, GTPASE ;; CELL DIVISION
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.

1w59__assembly_1__model_1

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

Download this curve (.dat)

1w59__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1w59__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	21.99 Å
Rg (electron density)	20.97 Å
Total Rg	21.83 Å
Atom count	2617
Residues	350
Excluded volume	47256 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1w59__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1w59__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 (3)

Entity 1 Entity 1 polymer

Description description	CELL DIVISION PROTEIN FTSZ HOMOLOG 1
Molecular weight formula_weight	38970.1 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	5287

MKFLKNVLEEGSKLEEFNELELSPEDKELLEYLQQTKAKITVVGCGGAGNNTITRLKMEGIEGAKTVAINTDAQQLIRTKADKKILIGKKLTRGLGAGGNPKIGEEAAKESAEEIKAAIQDSDMVFITCGLGGGTGTGSAPVVAEISKKIGALTVAVVTLPFVMEGKVRMKNAMEGLERLKQHTDTLVVIPNEKLFEIVPNMPLKLAFKVADEVLINAVKGLVELITKDGLINVDFADVKAVMNNGGLAMIGIGESDSEKRAKEAVSMALNSPLLDVDIDGATGALIHVMGPEDLTLEEAREVVATVSSRLDPNATIIWGATIDENLENTVRVLLVITGVQSRIEFTDTGLKRKKLELTGIPKI

Source Source

Source organism organism	METHANOCALDOCOCCUS JANNASCHII
NCBI taxonomy ID ncbi_taxonomy_id	2190
Host organism host_organism	ESCHERICHIA COLI BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	118

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6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1w59a1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamily	c.32.1 — Tubulin nucleotide-binding domain-like
Family Family family	c.32.1.1 — Tubulin, GTPase domain

Domain ID domain_id	d1w59a2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamily	d.79.2 — Tubulin C-terminal domain-like
Family Family family	d.79.2.1 — Tubulin, C-terminal domain

Domain ID domain_id	d1w59b1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.32 — Tubulin nucleotide-binding domain-like
Superfamily Superfamily superfamily	c.32.1 — Tubulin nucleotide-binding domain-like
Family Family family	c.32.1.1 — Tubulin, GTPase domain

Domain ID domain_id	d1w59b2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamily	d.79.2 — Tubulin C-terminal domain-like
Family Family family	d.79.2.1 — Tubulin, C-terminal domain

CATH v4.4 (5 domains)

Domain ID domain_id	1w59A01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	1110 — Tubulin, GTPase

Domain ID domain_id	1w59A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1440 — Tubulin/FtsZ, GTPase domain

Domain ID domain_id	1w59A03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily	20 — Tubulin/FtsZ, C-terminal domain

Domain ID domain_id	1w59B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1440 — Tubulin/FtsZ, GTPase domain

Domain ID domain_id	1w59B02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily	20 — Tubulin/FtsZ, C-terminal domain

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Unit-cell length a length_a	70.072 Å
Unit-cell length b length_b	53.886 Å
Unit-cell length c length_c	89.182 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	91.30 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2160
R_work r_work	0.2160
R_free r_free	0.2960

FtsZ dimer, empty (M. jannaschii)

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

CELL DIVISION PROTEIN FTSZ HOMOLOG 1

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

1w59__assembly_1__model_1

1w59__assembly_1__model_1 | I(q)

1w59__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) 9 domains

SCOP 2.08 (4 domains)

CATH v4.4 (5 domains)

7. Citations (1)

FtsZ dimer, empty (M. jannaschii)

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

CELL DIVISION PROTEIN FTSZ HOMOLOG 1

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

1w59__assembly_1__model_1

1w59__assembly_1__model_1 | I(q)

1w59__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) 9 domains

SCOP 2.08 (4 domains)

CATH v4.4 (5 domains)

7. Citations (1)