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1f46

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

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

CELL DIVISION PROTEIN ZIPA

Escherichia coli

UniProt P77173

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

Other States of the Same Protein in the Database

Monomer
1f7w 1f7x 1y2f 1y2g 1y2g

5 assemblies

Homodimer
1f46 1s1j 1s1s

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1f47 9iue

2 assemblies

View Construct and Data Evidence
UniProt name ZIPA_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–140； UniProt 189–328 Author chain B； PDBConstruct 1–140； UniProt 189–328

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_id1f46
Deposition date deposition_date2000-06-07
Structure title titleTHE BACTERIAL CELL-DIVISION PROTEIN ZIPA AND ITS INTERACTION WITH AN FTSZ FRAGMENT REVEALED BY X-RAY CRYSTALLOGRAPHY
Keywords keywordscell division protein ZIPA, cell division, transmembrane, inner membrane, CELL CYCLE; CELL CYCLE
Experimental Method methodX-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.

1f46__assembly_1__model_1

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

Download this curve (.dat)

1f46__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1f46__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）21.57 Å
Rg (electron density)20.48 Å
Total Rg21.31 Å
Atom count2185
Residues279
Excluded volume38862 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1f46__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1f46a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.4 — Cell-division protein ZipA, C-terminal domain
Family Family familyd.129.4.1 — Cell-division protein ZipA, C-terminal domain
Domain ID domain_idd1f46b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.129 — TBP-like
Superfamily Superfamily superfamilyd.129.4 — Cell-division protein ZipA, C-terminal domain
Family Family familyd.129.4.1 — Cell-division protein ZipA, C-terminal domain

CATH v4.4 (2 domains)

Domain ID domain_id1f46A00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1400 — Cell Division Protein Zipa; Chain: A,
Homologous superfamily homologous superfamily10 — ZipA, C-terminal FtsZ-binding domain
Domain ID domain_id1f46B00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1400 — Cell Division Protein Zipa; Chain: A,
Homologous superfamily homologous superfamily10 — ZipA, C-terminal FtsZ-binding domain
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7. Citations (1)