SAXSdb — 1f47

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

CELL DIVISION PROTEIN ZIPA

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	CELL DIVISION PROTEIN FTSZ × 1 （P0A9A6） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ZIPA_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain B； PDBConstruct 1–144； UniProt 185–328

CELL DIVISION PROTEIN FTSZ

Escherichia coli

UniProt P0A9A6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	CELL DIVISION PROTEIN ZIPA × 1 （P77173） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FTSZ_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain A； PDBConstruct 1–17； UniProt 367–383

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	1f47
Deposition date deposition_date	2000-06-07
Structure title title	THE BACTERIAL CELL-DIVISION PROTEIN ZIPA AND ITS INTERACTION WITH AN FTSZ FRAGMENT REVEALED BY X-RAY CRYSTALLOGRAPHY
Keywords keywords	cell division zipa, CELL DIVISiON ftsz, SEPARATION, INNER MEMBRANE, TRANSMEMBRANE, CELL CYCLE; CELL CYCLE
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.

1f47__assembly_1__model_1

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

Download this curve (.dat)

1f47__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1f47__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.11 Å
Rg (electron density)	15.70 Å
Total Rg	16.86 Å
Atom count	1264
Residues	161
Excluded volume	22504 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1f47__assembly_1__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 (3)

Entity 1 Entity 1 polymer

Description description	CELL DIVISION PROTEIN ZIPA
Molecular weight formula_weight	16134.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B
Atom count atom_count	1467

MDKPKRKEAVIIMNVAAHHGSELNGELLLNSIQQAGFIFGDMNIYHRHLSPDGSGPALFSLANMVKPGTFDPEMKDFTTPGVTIFMQVPSYGDELQLFKLMLQSAQHIADEVGGVVLDDQRRMMTPQKLREYQDIIREVKDANA

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	CELL DIVISION PROTEIN FTSZ
Molecular weight formula_weight	2022.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

KEPDYLDIPAFLRKQAD

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	203

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1f47b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.129 — TBP-like
Superfamily Superfamily superfamily	d.129.4 — Cell-division protein ZipA, C-terminal domain
Family Family family	d.129.4.1 — Cell-division protein ZipA, C-terminal domain

CATH v4.4 (1 domains)

Domain ID domain_id	1f47B00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1400 — Cell Division Protein Zipa; Chain: A,
Homologous superfamily homologous superfamily	10 — ZipA, C-terminal FtsZ-binding domain

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Unit-cell length a length_a	36.526 Å
Unit-cell length b length_b	38.901 Å
Unit-cell length c length_c	54.541 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	104.11 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	2

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

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.2050
R_work r_work	0.2050
R_free r_free	0.2510

THE BACTERIAL CELL-DIVISION PROTEIN ZIPA AND ITS INTERACTION WITH AN FTSZ FRAGMENT REVEALED BY X-RAY CRYSTALLOGRAPHY

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

CELL DIVISION PROTEIN ZIPA

State in the Current Structure

Other States of the Same Protein in the Database

CELL DIVISION PROTEIN FTSZ

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

1f47__assembly_1__model_1

1f47__assembly_1__model_1 | I(q)

1f47__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

THE BACTERIAL CELL-DIVISION PROTEIN ZIPA AND ITS INTERACTION WITH AN FTSZ FRAGMENT REVEALED BY X-RAY CRYSTALLOGRAPHY

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

CELL DIVISION PROTEIN ZIPA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

CELL DIVISION PROTEIN FTSZ

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

1f47__assembly_1__model_1

1f47__assembly_1__model_1 | I(q)

1f47__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)