1s2x

Crystal structure of Cag-Z from Helicobacter pylori

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

Cag-Z

Helicobacter pylori

UniProt Q9JMX9

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q9JMX9_HELPY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–206; UniProt 1–199

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_id1s2x
Deposition date deposition_date2004-01-12
Structure title titleCrystal structure of Cag-Z from Helicobacter pylori
Keywords keywordsCag-Z, Helicobacter pylori, cag pathogenicity island, type IV secretion system, UNKNOWN FUNCTION; UNKNOWN FUNCTION
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.

1s2x__assembly_1__model_1

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

Download this curve (.dat)

1s2x__assembly_1__model_1 | I(q)

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

1s2x__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)21.20 Å
Rg (electron density)20.92 Å
Total Rg21.56 Å
Atom count1467
Residues176
Excluded volume26109 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1s2x__assembly_1__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)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1s2xa1
Class classa — All alpha proteins
Fold Fold folda.47 — STAT-like
Superfamily Superfamily superfamilya.47.3 — Cag-Z
Family Family familya.47.3.1 — Cag-Z
Domain ID domain_idd1s2xa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1s2xA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology190 — Delta-Endotoxin; domain 1
Homologous superfamily homologous superfamily30 — CAG pathogenicity island protein, CagZ
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7. Citations (1)