5v8f

Structural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA replication licensing factor MCM2

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P29469

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM2_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain 2; PDBConstruct 1–868; UniProt 1–868

DNA replication licensing factor MCM3

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P24279

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM3_YEAST
Isoform —
PDB entities 2
Chains and sequence ranges Author chain 3; PDBConstruct 1–971; UniProt 1–971

DNA replication licensing factor MCM4

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P30665

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM4_YEAST
Isoform —
PDB entities 3
Chains and sequence ranges Author chain 4; PDBConstruct 1–933; UniProt 1–933

Minichromosome maintenance protein 5

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P29496

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM5_YEAST
Isoform —
PDB entities 4
Chains and sequence ranges Author chain 5; PDBConstruct 1–775; UniProt 1–775

DNA replication licensing factor MCM6

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P53091

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM6_YEAST
Isoform —
PDB entities 5
Chains and sequence ranges Author chain 6; PDBConstruct 1–1017; UniProt 1–1017

DNA replication licensing factor MCM7

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P38132

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM7_YEAST
Isoform —
PDB entities 6
Chains and sequence ranges Author chain 7; PDBConstruct 1–800; UniProt 1–800

Cell division cycle protein CDT1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P47112

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CDT1_YEAST
Isoform —
PDB entities 7
Chains and sequence ranges Author chain 8; PDBConstruct 1–604; UniProt 1–604

Cell division control protein 6

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P09119

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CDC6_YEAST
Isoform —
PDB entities 8
Chains and sequence ranges Author chain 9; PDBConstruct 1–513; UniProt 1–513

Origin recognition complex subunit 1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P54784

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC1_YEAST
Isoform —
PDB entities 9
Chains and sequence ranges Author chain A; PDBConstruct 1–913; UniProt 1–913

Origin recognition complex subunit 2

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P32833

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC2_YEAST
Isoform —
PDB entities 10
Chains and sequence ranges Author chain B; PDBConstruct 1–620; UniProt 1–620

Origin recognition complex subunit 3

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P54790

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC3_YEAST
Isoform —
PDB entities 11
Chains and sequence ranges Author chain C; PDBConstruct 1–616; UniProt 1–616

Origin recognition complex subunit 5

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P50874

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 4 × 1 (P54791) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC5_YEAST
Isoform —
PDB entities 12
Chains and sequence ranges Author chain E; PDBConstruct 1–479; UniProt 1–479

Origin recognition complex subunit 4

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P54791

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 6 × 1 (P38826) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC4_YEAST
Isoform —
PDB entities 13
Chains and sequence ranges Author chain D; PDBConstruct 1–529; UniProt 1–529

Origin recognition complex subunit 6

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P38826

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 14 DNA 2 DNA replication licensing factor MCM2 × 1 (P29469) DNA replication licensing factor MCM3 × 1 (P24279) DNA replication licensing factor MCM4 × 1 (P30665) Minichromosome maintenance protein 5 × 1 (P29496) DNA replication licensing factor MCM6 × 1 (P53091) DNA replication licensing factor MCM7 × 1 (P38132) Cell division cycle protein CDT1 × 1 (P47112) Cell division control protein 6 × 1 (P09119) Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 2 × 1 (P32833) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 4 × 1 (P54791) DNA (39-MER) × 1 DNA (39-MER) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC6_YEAST
Isoform —
PDB entities 14
Chains and sequence ranges Author chain F; PDBConstruct 1–435; UniProt 1–435

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_id5v8f
Deposition date deposition_date2017-03-21
Structure title titleStructural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1
Keywords keywordsDNA replication, Cryo-EM, OCCM, REPLICATION; REPLICATION
Experimental Method methodELECTRON MICROSCOPY
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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.

5v8f__assembly_1__model_1

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

Download this curve (.dat)

5v8f__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

5v8f__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)64.23 Å
Rg (electron density)64.15 Å
Total Rg64.13 Å
Atom count59586
Residues7297
Excluded volume1061400 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5v8f__assembly_1__model_1 hexadecameric (16) 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 (17)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id5v8f601
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1640 — mini-chromosome maintenance (MCM) complex, chain A, domain 1
Homologous superfamily homologous superfamily10 — mini-chromosome maintenance (MCM) complex, chain A, domain 1
Domain ID domain_id5v8f604
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_id5v8f701
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_id5v8fE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
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7. Citations (1)