1fio

CRYSTAL STRUCTURE OF YEAST T-SNARE PROTEIN SSO1

Method: X-RAY DIFFRACTION

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

SSO1 PROTEIN

Saccharomyces cerevisiae

UniProt P32867

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name SSO1_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–196; UniProt 31–225

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_id1fio
Deposition date deposition_date2000-08-04
Structure title titleCRYSTAL STRUCTURE OF YEAST T-SNARE PROTEIN SSO1
Keywords keywordsfour helix bundle, alpha helix, MEMBRANE PROTEIN; MEMBRANE PROTEIN
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.

1fio__assembly_1__model_1

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

Download this curve (.dat)

1fio__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.

1fio__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)22.67 Å
Rg (electron density)22.20 Å
Total Rg23.02 Å
Atom count1555
Residues190
Excluded volume27338 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1fio__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (3)

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1fioa_
Class classa — All alpha proteins
Fold Fold folda.47 — STAT-like
Superfamily Superfamily superfamilya.47.2 — t-snare proteins
Family Family familya.47.2.1 — t-snare proteins

CATH v4.4 (1 domains)

Domain ID domain_id1fioA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily70

7. Citations (1)