Origin recognition complex subunit 2
Saccharomyces cerevisiae S288C
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein–DNA Heteromer Protein × 6 DNA 2 PDB declaration: octameric(8) Consistent with all polymer counts | Chain B; UniProt 1–620 | Not recorded | Origin recognition complex subunit 5 × 1 (P50874) Origin recognition complex subunit 6 × 1 (P38826) DNA (35-MER) × 1 DNA (34-MER) × 1 Origin recognition complex subunit 1 × 1 (P54784) Origin recognition complex subunit 3 × 1 (P54790) Origin recognition complex subunit 4 × 1 (P54791) AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 | ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE | Resolution 2.98 Å |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 8ZP5 | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 5V8F Structural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1 Deposited 2017-03-21 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 14 PDB declaration: hexadecameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 8 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 5ZR1 Saccharomyces Cerevisiae Origin Recognition Complex Bound to a 72-bp Origin DNA containing ACS and B1 element Deposited 2018-04-21 | Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 6 PDB declaration: octameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.00 Å |
| 6RQC Cryo-EM structure of an MCM loading intermediate Deposited 2019-05-15 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 12 PDB declaration: tetradecameric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 4 ZN ZINC ION × 5 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;10 second incubation, 3.5 seconds single side blotting.
|
Resolution 4.40 Å |
| 6WGC Atomic model of semi-attached mutant OCCM-DNA complex (ORC-Cdc6-Cdt1-Mcm2-7 with Mcm6 WHD truncation) Deposited 2020-04-05 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 9 PDB declaration: undecameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.30 Å |
| 6WGG Atomic model of pre-insertion mutant OCCM-DNA complex(ORC-Cdc6-Cdt1-Mcm2-7 with Mcm6 WHD truncation) Deposited 2020-04-05 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 14 PDB declaration: hexadecameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 8.10 Å |
| 6WGI Atomic model of the mutant OCCM (ORC-Cdc6-Cdt1-Mcm2-7 with Mcm6 WHD truncation) loaded on DNA at 10.5 A resolution Deposited 2020-04-05 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 14 PDB declaration: hexadecameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 MG MAGNESIUM ION × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 10.00 Å |
| 7MCA Structure of the S. cerevisiae origin recognition complex bound to the replication initiator Cdc6 and the ARS1 origin DNA. Deposited 2021-04-01 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 7 PDB declaration: nonameric |
Chain B
1–620(620 aa)
|
Not recorded | MG MAGNESIUM ION × 4 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.60 Å |
| 7TJF S. cerevisiae ORC bound to 84 bp ARS1 DNA Deposited 2022-01-16 | Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 6 PDB declaration: octameric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.60 Å |
| 7TJH S. cerevisiae ORC bound to 84 bp ARS1 DNA and Cdc6 (state 1) with flexible Orc6 N-terminal domain Deposited 2022-01-16 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 7 PDB declaration: nonameric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.50 Å |
| 7TJI S. cerevisiae ORC bound to 84 bp ARS1 DNA and Cdc6 (state 2) with flexible Orc6 N-terminal domain Deposited 2022-01-16 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 7 PDB declaration: nonameric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.70 Å |
| 7TJJ S. cerevisiae ORC bound to 84 bp ARS1 DNA and Cdc6 (state 1) with docked Orc6 N-terminal domain Deposited 2022-01-16 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 7 PDB declaration: nonameric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.70 Å |
| 7TJK S. cerevisiae ORC bound to 84 bp ARS1 DNA and Cdc6 (state 2) with docked Orc6 N-terminal domain Deposited 2022-01-16 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 7 PDB declaration: nonameric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 2.70 Å |
| 8ZP4 Cryo-EM structure of origin recognition complex (Orc1 to 5) with ARS1 DNA bound Deposited 2024-05-29 | Different oligomeric state Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 5 PDB declaration: heptameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.33 Å |
| 8ZPK Cryo-EM structure of origin recognition complex (Orc6 with residues 1 to 270 deleted) with ARS1 DNA bound Deposited 2024-05-30 | Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 6 PDB declaration: octameric |
Chain B
1–620(620 aa)
|
Not recorded | AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 3 MG MAGNESIUM ION × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.21 Å |
| 9BCX Cryo-EM structure of the S. cerevisiae ORC-Cdc6-Mcm2-7-DNA complex with a fully closed Mcm2-Mcm5 DNA entry gate Deposited 2024-04-10 | Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 14 PDB declaration: 16-meric |
Chain C
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 4 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 6.10 Å |
| 9GJP OCCM maturation intermediate stalled with an Arginine Finger mutation in Mcm5: Conformer 2 Deposited 2024-08-22 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 15-meric |
Chain B
1–620(620 aa)
|
Not recorded | ADP ADENOSINE-5'-DIPHOSPHATE × 4 ZN ZINC ION × 5 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.40 Å |
| 9GJW OCCM maturation intermediate stalled with an Arginine Finger mutation in Mcm2 Deposited 2024-08-22 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 15-meric |
Chain B
1–620(620 aa)
|
Not recorded | ADP ADENOSINE-5'-DIPHOSPHATE × 6 ZN ZINC ION × 4 ATP ADENOSINE-5'-TRIPHOSPHATE × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.30 Å |
| 9GM5 OCCM maturation intermediate stalled with an Arginine Finger mutation in Mcm5: Conformer 1 Deposited 2024-08-28 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 13 PDB declaration: 15-meric |
Chain B
61–620(560 aa)
|
Not recorded | ADP ADENOSINE-5'-DIPHOSPHATE × 4 ZN ZINC ION × 5 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.70 Å |
| 9I3I Cryo-EM structure of the MCM-ORC (MO) complex featuring an ORC2 regulatory domain involved in cell cycle regulation of MCM-DH loading for DNA replication. Deposited 2025-01-23 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 12 PDB declaration: 14-meric |
Chain B
1–620(620 aa)
|
Not recorded | ATP ADENOSINE-5'-TRIPHOSPHATE × 3 MG MAGNESIUM ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 4 ZN ZINC ION × 5 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE;10 second incubation, 3.5 seconds single side blotting.
|
Resolution 4.40 Å |
19 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | ORC2_YEAST |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain B; PDBConstruct 1–620; UniProt 1–620 |