22vt

Structure of human MCM2-7 single hexamer with MCM3-WHD attached to MCM2-CTD, containing Meier-Gorlin Syndrome mutation (MCM3-Q761L)

Method: ELECTRON MICROSCOPY
▼

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

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 heterocomplex Heteromer Protein 6 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 replication licensing factor MCM5 × 1 (P33992) ADENOSINE-5'-TRIPHOSPHATE × 3 ZINC ION × 4 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM2_HUMAN
Isoform —
PDB entities 1
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 heterocomplex Heteromer Protein 6 DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM4 × 1 (P33991) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA replication licensing factor MCM5 × 1 (P33992) ADENOSINE-5'-TRIPHOSPHATE × 3 ZINC ION × 4 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM3_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain 3; PDBConstruct 1–808; 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 heterocomplex Heteromer Protein 6 DNA replication licensing factor MCM2 × 1 (P49736) DNA replication licensing factor MCM3 × 1 (P25205) DNA replication licensing factor MCM6 × 1 (Q14566) DNA replication licensing factor MCM7 × 1 (P33993) DNA replication licensing factor MCM5 × 1 (P33992) ADENOSINE-5'-TRIPHOSPHATE × 3 ZINC ION × 4 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM4_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain 4; PDBConstruct 1–863; UniProt 1–863

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 heterocomplex Heteromer Protein 6 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 MCM7 × 1 (P33993) DNA replication licensing factor MCM5 × 1 (P33992) ADENOSINE-5'-TRIPHOSPHATE × 3 ZINC ION × 4 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM6_HUMAN
Isoform —
PDB entities 4
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 heterocomplex Heteromer Protein 6 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 MCM5 × 1 (P33992) ADENOSINE-5'-TRIPHOSPHATE × 3 ZINC ION × 4 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM7_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain 7; PDBConstruct 1–719; UniProt 1–719

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 heterocomplex Heteromer Protein 6 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) ADENOSINE-5'-TRIPHOSPHATE × 3 ZINC ION × 4 MAGNESIUM ION × 3 ADENOSINE-5'-DIPHOSPHATE × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MCM5_HUMAN
Isoform —
PDB entities 6
Chains and sequence ranges Author chain 5; PDBConstruct 1–734; UniProt 1–734

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_id22vt
Deposition date deposition_date2026-01-26
Structure title titleStructure of human MCM2-7 single hexamer with MCM3-WHD attached to MCM2-CTD, containing Meier-Gorlin Syndrome mutation (MCM3-Q761L)
Keywords keywordsHelicase, REPLICATION; REPLICATION
Experimental Method methodELECTRON MICROSCOPY
▼

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.

22vt__assembly_1__model_1

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

Download this curve (.dat)

22vt__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.

22vt__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)51.47 Å
Rg (electron density)50.94 Å
Total Rg50.98 Å
Atom count27147
Residues3747
Excluded volume476940 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 22vt__assembly_1__model_1 hexameric (6) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (10)

▶

7. Citations (1)