← Back to search
2z3x

Structure of a Protein-DNA Complex Essential for DNA Protection in Spore of Bacillus Species

Method: X-RAY DIFFRACTION
▼

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

Small, acid-soluble spore protein C

Bacillus subtilis

UniProt P02958

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Homooligomer Protein 3 DNA 2 5'-D(*GP*GP*GP*GP*GP*GP*GP*GP*GP*GP*A)-3' × 1 5'-D(*CP*CP*CP*CP*CP*CP*CP*CP*CP*CP*A)-3' × 1 water × 5 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2z3x

1 assemblies

View Construct and Data Evidence
UniProt name SSPC_BACSU
Isoform —
PDB entities 3
Chains and sequence ranges Author chain A； PDBConstruct 1–60； UniProt 13–72 Author chain B； PDBConstruct 1–60； UniProt 13–72 Author chain C； PDBConstruct 1–60； UniProt 13–72

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2z3x
Deposition date deposition_date2007-06-08
Structure title titleStructure of a Protein-DNA Complex Essential for DNA Protection in Spore of Bacillus Species
Keywords keywordsalpha/beta-type SASP, Bacillus subtils spore, Protein-DNA complex, DNA BINDING PROTEIN-DNA COMPLEX; DNA BINDING PROTEIN/DNA
Experimental Method methodX-RAY DIFFRACTION
▼

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.

2z3x__assembly_1__model_1

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

Download this curve (.dat)

2z3x__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.

2z3x__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）18.71 Å
Rg (electron density)18.55 Å
Total Rg19.25 Å
Atom count1676
Residues190
Excluded volume28429 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2z3x__assembly_1__model_1 pentameric （5） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

▼

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id2z3xA00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology10 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily80 — Small, acid-soluble spore protein, alpha/beta type-like
Domain ID domain_id2z3xB00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology10 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily80 — Small, acid-soluble spore protein, alpha/beta type-like
Domain ID domain_id2z3xC00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology10 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily80 — Small, acid-soluble spore protein, alpha/beta type-like
▶

7. Citations (1)