AP-2 COMPLEX SUBUNIT ALPHA-2
MUS MUSCULUS
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 heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count | Chain A; UniProt 693–938 | Fragment:APPENDAGE DOMAIN, RESIDUES 693-938 | SYNAPTOJANIN-1 × 1 (O43426) AMPHIPHYSIN × 1 (O08838) BEN BENZAMIDINE × 1 DTD DITHIANE DIOL × 1 SO4 SULFATE ION × 3 CL CHLORIDE ION × 1 | X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;1.2M AMMONIUM SULPHATE, 3% ISOPROPANOL AND 0.05M SODIUM CITRATE PH 6.5 | Resolution 1.60 Å R-free 0.208 |
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 2VJ0 | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1B9K ALPHA-ADAPTIN APPENDAGE DOMAIN, FROM CLATHRIN ADAPTOR AP2 Deposited 1999-02-11 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
701–938(238 aa)
Fragment:APPENDAGE DOMAIN
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6;20% PEG 4000, 10% ISOPROPANOL, 100MM NA CITRATE PH 6.0, 10MM DTT, 6MG/ML PROTEIN
|
Resolution 1.90 Å R-free 0.221 |
| 1KY6 AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE IN COMPLEX WITH EPSIN DPW PEPTIDE Deposited 2002-02-03 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
701–938(238 aa)
Fragment:C-TERMINAL APPENDAGE (EAR) RESIDUES 701-938
|
Not recorded | SO4 SULFATE ION × 1 | X-RAY DIFFRACTION mmCIF provides none of the parsed conditions | Resolution 2.00 Å R-free 0.245 |
| 1KY7 THE AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE IN COMPLEX WITH AMPHIPHYSIN FXDXF Deposited 2002-02-03 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
701–938(238 aa)
Fragment:C-TERMINAL APPENDAGE (EAR) RESIDUES 701-938
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION mmCIF provides none of the parsed conditions | Resolution 2.15 Å R-free 0.252 |
| 1KYD AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE IN COMPLEX WITH EPSIN DPW PEPTIDE Deposited 2002-02-04 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
701–938(238 aa)
Fragment:C-TERMINAL APPENDAGE (EAR), RESIDUES 701-938
|
Not recorded | SO4 SULFATE ION × 1 | X-RAY DIFFRACTION mmCIF provides none of the parsed conditions | Resolution 2.00 Å R-free 0.228 |
| 1KYF AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE IN COMPLEX WITH EPS15 DPF PEPTIDE Deposited 2002-02-04 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
701–938(238 aa)
Fragment:C-TERMINAL APPENDAGE (EAR) RESIDUES 701-938
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION mmCIF provides none of the parsed conditions | Resolution 1.22 Å R-free 0.211 |
| 1KYU AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE IN COMPLEX WITH EPS15 DPF PEPTIDE Deposited 2002-02-05 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
701–938(238 aa)
Fragment:C-TERMINAL APPENDAGE (EAR) RESIDUES 701-938
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION mmCIF provides none of the parsed conditions | Resolution 1.80 Å R-free 0.223 |
| 1QTP CRYSTAL STRUCTURE OF THE AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE Deposited 1999-06-28 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
692–938(247 aa)
Fragment:C-TERMINAL APPENDAGE (EAR) RESIDUES 701-938
|
Mutation:SELENOMETHIONINE SUBSTITUTED PROTEIN Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.8;293 K;1.5 M MAGNESIUM SULFATE, 100 MM MES, 10MM SPERMINE TETRA-HCL, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 1.60 Å R-free 0.211 |
| 1QTS CRYSTAL STRUCTURE OF THE AP-2 CLATHRIN ADAPTOR ALPHA-APPENDAGE Deposited 1999-06-29 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
692–938(247 aa)
Fragment:C-TERMINAL APPENDAGE (EAR) RESIDUES 701-938
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.9;293 K;1.3 M AMMONIUM SULFATE, 80 MM HEPES, 8% DIOXANE, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
|
Resolution 1.40 Å R-free 0.209 |
| 1W80 Crystal structure of the alpha-adaptin appendage domain, from the AP2 adaptor complex, bound to 2 peptides from Synaptojanin170 Deposited 2004-09-14 | Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
695–938(244 aa)
Fragment:APPENDAGE DOMAIN, RESIDUES 695-938
|
Not recorded | BEN BENZAMIDINE × 1 CO3 CARBONATE ION × 3 DTD DITHIANE DIOL × 1 SO4 SULFATE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;1.2M AMMONIUM SULFATE, 3% ISOPROPANOL, 0.05M SODIUM CITRATE, pH 6.50
|
Resolution 1.90 Å R-free 0.224 |
| 2JKR AP2 CLATHRIN ADAPTOR CORE with Dileucine peptide RM(phosphoS)QIKRLLSE Deposited 2008-08-29 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
1–271(271 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
Chain A
272–620(349 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
|
Not recorded | SO4 SULFATE ION × 14 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;1.7-2.2M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH6 .5 AND 5MM DTT FROM A MIXTURE OF 10MG/ML AP2 CORE AND 7MG/ML PEPTIDE. CRYOPROTECTED WITH 1.8-2.3M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH 6.5, 17% GLYCEROL AND 7MG/ ML CD4 DILEUCINE PEPTIDE
|
Resolution 2.98 Å R-free 0.260 |
| 2JKR AP2 CLATHRIN ADAPTOR CORE with Dileucine peptide RM(phosphoS)QIKRLLSE Deposited 2008-08-29 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain L
1–271(271 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
Chain L
272–620(349 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
|
Not recorded | SO4 SULFATE ION × 17 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;1.7-2.2M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH6 .5 AND 5MM DTT FROM A MIXTURE OF 10MG/ML AP2 CORE AND 7MG/ML PEPTIDE. CRYOPROTECTED WITH 1.8-2.3M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH 6.5, 17% GLYCEROL AND 7MG/ ML CD4 DILEUCINE PEPTIDE
|
Resolution 2.98 Å R-free 0.260 |
| 2JKT AP2 CLATHRIN ADAPTOR CORE with CD4 Dileucine peptide RM(phosphoS) EIKRLLSE Q to E mutant Deposited 2008-08-29 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
1–271(271 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
Chain A
272–620(349 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
|
Not recorded | SO4 SULFATE ION × 15 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;1.7-2.2M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH6 .5 AND 5MM DTT FROM A MIXTURE OF 10MG/ML AP2 CORE AND 7MG/ML PEPTIDE. CRYOPROTECTED WITH 1.8-2.3M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH 6.5, 17% GLYCEROL AND 7MG/ ML CD4 DILEUCINE PEPTIDE
|
Resolution 3.40 Å R-free 0.256 |
| 2JKT AP2 CLATHRIN ADAPTOR CORE with CD4 Dileucine peptide RM(phosphoS) EIKRLLSE Q to E mutant Deposited 2008-08-29 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain L
1–271(271 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
Chain L
272–620(349 aa)
Fragment:ALPHA CHAIN, RESIDUES 1-620
|
Not recorded | SO4 SULFATE ION × 16 |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;1.7-2.2M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH6 .5 AND 5MM DTT FROM A MIXTURE OF 10MG/ML AP2 CORE AND 7MG/ML PEPTIDE. CRYOPROTECTED WITH 1.8-2.3M AMMONIUM SULPHATE, 100MM SODIUM CITRATE PH 6.5, 17% GLYCEROL AND 7MG/ ML CD4 DILEUCINE PEPTIDE
|
Resolution 3.40 Å R-free 0.256 |
| 7OHI FCHO1-peptide-AP2 alpha ear complex Deposited 2021-05-11 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
695–938(244 aa)
|
Not recorded | SO4 SULFATE ION × 5 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;289 K;1.6M Magnesium sulfate
heptahydrate 0.1M MES pH 6.5. The crystal were subsequently cryo-protected with ~20% glycerol final.
|
Resolution 1.41 Å R-free 0.215 |
| 7RW8 AP2 bound to heparin in the closed conformation Deposited 2021-08-19 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE;Blot force -10, 4 second blot, 4 uL sample
|
Resolution 3.50 Å |
| 7RW9 AP2 bound to heparin in the bowl conformation Deposited 2021-08-19 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE;Blot force -10, 4 second blot, 4 uL sample
|
Resolution 3.90 Å |
| 7RWA AP2 bound to heparin and Tgn38 tyrosine cargo peptide Deposited 2021-08-19 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 10 PDB declaration: decameric |
Chain A
1–620(620 aa)
Chain a
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE;Blot force -10, 4 second blot, 4 uL sample
|
Resolution 4.70 Å |
| 7RWB AP2 bound to the APA domain of SGIP in the presence of heparin Deposited 2021-08-19 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 8 PDB declaration: octameric |
Chain A
1–620(620 aa)
Chain a
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE;Blot force -10, 4 second blot, 4 uL sample
|
Resolution 3.90 Å |
| 7RWC AP2 bound to the APA domain of SGIP and heparin; partial signal subtraction and symmetry expansion Deposited 2021-08-19 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE;Blot force -10, 4 second blot, 4 uL sample
|
Resolution 3.80 Å |
| 8T1O AP2 bound to MSP2N2 nanodisc with Tgn38 cargo peptide; composite map Deposited 2023-06-02 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
1–620(620 aa)
|
Not recorded | PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4;20 mM HEPES pH 7.4, 100 mM NaCl
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE;Two applications of sample.
|
Resolution 3.30 Å |
| 9PPP Structure of Alpha Appendage of AP2 bound to the extended FxDxF motif derived of CCDC32 Deposited 2025-07-21 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
695–938(244 aa)
|
Not recorded | 1PE PENTAETHYLENE GLYCOL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;100 mM SPG pH 8.0, 25% PEG 1500
|
Resolution 2.10 Å R-free 0.205 |
| 9PPP Structure of Alpha Appendage of AP2 bound to the extended FxDxF motif derived of CCDC32 Deposited 2025-07-21 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
695–938(244 aa)
|
Not recorded | 1PE PENTAETHYLENE GLYCOL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;100 mM SPG pH 8.0, 25% PEG 1500
|
Resolution 2.10 Å R-free 0.205 |
| 9PUE Structure of Alpha Appendage of AP2 bound to the FxDxF motif derived of CCDC32 Deposited 2025-07-30 | Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
695–938(244 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 6.5;298 K;40% isopropanol, 100 mM imidazole pH 6.5, 15% PEG 8000
|
Resolution 1.91 Å R-free 0.230 |
| 9PWA Closed AP-2 clathrin adaptor complex in solution Deposited 2025-08-04 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 2.55 Å |
| 9PWB Structure of AP-2 bound to the dileucine motif of CCDC32; combined map Deposited 2025-08-04 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
9–620(612 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 2.64 Å |
| 9PWC Composite structure of AP-2 bound to the dileucine motif and WxxPhi motif of CCDC32 Deposited 2025-08-04 | Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 5 PDB declaration: pentameric |
Chain A
1–620(620 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.6
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 3.00 Å |
23 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | AP2A2_MOUSE |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 5–250; UniProt 693–938 |