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1w1w

Sc Smc1hd:Scc1-C complex, ATPgS

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

STRUCTURAL MAINTENANCE OF CHROMOSOME 1

SACCHAROMYCES CEREVISIAE

UniProt P32908

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 SISTER CHROMATID COHESION PROTEIN 1 × 1 （Q12158） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 SISTER CHROMATID COHESION PROTEIN 1 × 1 （Q12158） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 2 SISTER CHROMATID COHESION PROTEIN 1 × 1 （Q12158） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 2 SISTER CHROMATID COHESION PROTEIN 1 × 1 （Q12158） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 4 SISTER CHROMATID COHESION PROTEIN 1 × 2 （Q12158） MAGNESIUM ION × 2 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 Consistent with protein count
6 Protein heterocomplex Heteromer Protein 4 SISTER CHROMATID COHESION PROTEIN 1 × 2 （Q12158） MAGNESIUM ION × 2 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1w1w 1w1w 1w1w 1w1w 1w1w 1w1w 6zz6 7ogt

8 assemblies

View Construct and Data Evidence
UniProt name SMC1_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–214； UniProt 1–214 Author chain A； PDBConstruct 229–430； UniProt 1024–1225 Author chain B； PDBConstruct 1–214； UniProt 1–214 Author chain B； PDBConstruct 229–430； UniProt 1024–1225 Author chain C； PDBConstruct 1–214； UniProt 1–214 Author chain C； PDBConstruct 229–430； UniProt 1024–1225 Author chain D； PDBConstruct 1–214； UniProt 1–214 Author chain D； PDBConstruct 229–430； UniProt 1024–1225

SISTER CHROMATID COHESION PROTEIN 1

SACCHAROMYCES CEREVISIAE

UniProt Q12158

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 STRUCTURAL MAINTENANCE OF CHROMOSOME 1 × 1 （P32908） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 2 STRUCTURAL MAINTENANCE OF CHROMOSOME 1 × 1 （P32908） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 2 STRUCTURAL MAINTENANCE OF CHROMOSOME 1 × 1 （P32908） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 2 STRUCTURAL MAINTENANCE OF CHROMOSOME 1 × 1 （P32908） MAGNESIUM ION × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 4 STRUCTURAL MAINTENANCE OF CHROMOSOME 1 × 2 （P32908） MAGNESIUM ION × 2 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 Consistent with protein count
6 Protein heterocomplex Heteromer Protein 4 STRUCTURAL MAINTENANCE OF CHROMOSOME 1 × 2 （P32908） MAGNESIUM ION × 2 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1w1w 1w1w 1w1w 1w1w 1w1w 1w1w 5frp 5frs 6h8q 6h8q 6qpq 6qpq

14 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SCC1_YEAST
Isoform —
PDB entities 2
Chains and sequence ranges Author chain E； PDBConstruct 8–121； UniProt 451–564 Author chain F； PDBConstruct 8–121； UniProt 451–564 Author chain G； PDBConstruct 8–121； UniProt 451–564 Author chain H； PDBConstruct 8–121； UniProt 451–564

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_id1w1w
Deposition date deposition_date2004-06-24
Structure title titleSc Smc1hd:Scc1-C complex, ATPgS
Keywords keywordsCOHESIN, CHROMOSOME SEGREGATION, CELL ADHESION, KLEISIN, MITOSIS, CELL CYCLE; CELL ADHESION
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.

1w1w__assembly_1__model_1

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

Download this curve (.dat)

1w1w__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.

1w1w__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）24.40 Å
Rg (electron density)23.77 Å
Total Rg24.59 Å
Atom count3203
Residues398
Excluded volume57465 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1w1w__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1w1w__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 1w1w__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 1w1w__assembly_4__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
5 1 1w1w__assembly_5__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
6 1 1w1w__assembly_6__model_1 tetrameric （4） 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 (4)

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1w1wa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.12 — ABC transporter ATPase domain-like
Domain ID domain_idd1w1wb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.12 — ABC transporter ATPase domain-like
Domain ID domain_idd1w1wc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.12 — ABC transporter ATPase domain-like
Domain ID domain_idd1w1wd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.12 — ABC transporter ATPase domain-like
Domain ID domain_idd1w1we_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.57 — Rad21/Rec8-like
Domain ID domain_idd1w1wf_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.57 — Rad21/Rec8-like
Domain ID domain_idd1w1wg_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.57 — Rad21/Rec8-like
Domain ID domain_idd1w1wh_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.57 — Rad21/Rec8-like

CATH v4.4 (8 domains)

Domain ID domain_id1w1wA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1w1wB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1w1wC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1w1wD00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1w1wE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily580 — Structural maintenance of chromosome 1. Chain E
Domain ID domain_id1w1wF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily580 — Structural maintenance of chromosome 1. Chain E
Domain ID domain_id1w1wG00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily580 — Structural maintenance of chromosome 1. Chain E
Domain ID domain_id1w1wH00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily580 — Structural maintenance of chromosome 1. Chain E
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7. Citations (1)