8s0b

H. sapiens MCM bound to double stranded DNA and ORC6 as part of the MCM-ORC complex

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

Origin recognition complex subunit 6

Homo sapiens

UniProt Q9Y5N6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM5 × 1 (P33992) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ORC6_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain F; PDBConstruct 1–251; UniProt 2–252

DNA replication licensing factor MCM2

Homo sapiens

UniProt P49736

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 Origin recognition complex subunit 6 × 1 (Q9Y5N6) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM5 × 1 (P33992) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM2_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain 2; PDBConstruct 1–904; UniProt 1–904

DNA replication licensing factor MCM3

Homo sapiens

UniProt P25205

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 Origin recognition complex subunit 6 × 1 (Q9Y5N6) DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM5 × 1 (P33992) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM3_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain 3; PDBConstruct 3–810; UniProt 1–808

DNA replication licensing factor MCM4

Homo sapiens

UniProt P33991

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 Origin recognition complex subunit 6 × 1 (Q9Y5N6) DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM5 × 1 (P33992) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM4_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain 4; PDBConstruct 1–863; UniProt 1–863

DNA replication licensing factor MCM5

Homo sapiens

UniProt P33992

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 Origin recognition complex subunit 6 × 1 (Q9Y5N6) DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM5_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain 5; PDBConstruct 1–734; UniProt 1–734

DNA replication licensing factor MCM6

Homo sapiens

UniProt Q14566

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 Origin recognition complex subunit 6 × 1 (Q9Y5N6) DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM5 × 1 (P33992) DNA replication licensing factor MCM7 × 1 (P33993) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM6_HUMAN
Isoform —
PDB entities 6
Chains and sequence ranges Author chain 6; PDBConstruct 1–821; UniProt 1–821

DNA replication licensing factor MCM7

Homo sapiens

UniProt P33993

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 7 DNA 2 Origin recognition complex subunit 6 × 1 (Q9Y5N6) DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM5 × 1 (P33992) DNA replication licensing factor MCM6 × 1 (Q14566) DNA (45-mer) × 1 DNA (45-mer) × 1 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MAGNESIUM ION × 6 ZINC ION × 5 ADENOSINE-5'-DIPHOSPHATE × 3 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM7_HUMAN
Isoform —
PDB entities 7
Chains and sequence ranges Author chain 7; PDBConstruct 1–719; UniProt 1–719

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_id8s0b
Deposition date deposition_date2024-02-13
Structure title titleH. sapiens MCM bound to double stranded DNA and ORC6 as part of the MCM-ORC complex
Keywords keywordsAAA+ ATPase, DNA helicase, 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.

8s0b__assembly_1__model_1

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

Download this curve (.dat)

8s0b__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.

8s0b__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)51.23 Å
Rg (electron density)50.83 Å
Total Rg51.03 Å
Atom count32424
Residues3923
Excluded volume572110 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8s0b__assembly_1__model_1 nonameric (9) 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 (13)

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7. Citations (3)