1c3g

S. CEREVISIAE HEAT SHOCK PROTEIN 40 SIS1

Method: X-RAY DIFFRACTION
▼

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

HEAT SHOCK PROTEIN 40

Saccharomyces cerevisiae

UniProt P25294

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

View Construct and Data Evidence
UniProt name SIS1_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–170; UniProt 180–349

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_id1c3g
Deposition date deposition_date1999-07-27
Structure title titleS. CEREVISIAE HEAT SHOCK PROTEIN 40 SIS1
Keywords keywordsBETA SHEETS, SHORT HELICES, CHAPERONE; CHAPERONE
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.

1c3g__assembly_1__model_1

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

Download this curve (.dat)

1c3g__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.

1c3g__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)28.42 Å
Rg (electron density)27.55 Å
Total Rg28.09 Å
Atom count2692
Residues340
Excluded volume48170 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1c3g__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1c3ga1
Class classb — All beta proteins
Fold Fold foldb.4 — HSP40/DnaJ peptide-binding domain
Superfamily Superfamily superfamilyb.4.1 — HSP40/DnaJ peptide-binding domain
Family Family familyb.4.1.1 — HSP40/DnaJ peptide-binding domain
Domain ID domain_idd1c3ga2
Class classb — All beta proteins
Fold Fold foldb.4 — HSP40/DnaJ peptide-binding domain
Superfamily Superfamily superfamilyb.4.1 — HSP40/DnaJ peptide-binding domain
Family Family familyb.4.1.1 — HSP40/DnaJ peptide-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id1c3gA01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology260 — HSP40/DNAj peptide-binding domain
Homologous superfamily homologous superfamily20 — Urease metallochaperone UreE, N-terminal domain
Domain ID domain_id1c3gA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology260 — HSP40/DNAj peptide-binding domain
Homologous superfamily homologous superfamily20 — Urease metallochaperone UreE, N-terminal domain
▶

7. Citations (1)