Alpha-actinin-2
Homo sapiens
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 1–507 Chain B; UniProt 509–894 | Not recorded | Myozenin-1 × 1 (Q9NP98) | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;100 mM Bis-Tris propane (pH 7.5), 100 mM sodium citrate, 10 mM zinc chloride, 12% w/w polyethylene glycol 3,350 | Resolution 3.20 Å R-free 0.284 |
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 7ANK | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1H8B EF-hands 3,4 from alpha-actinin / Z-repeat 7 from titin Deposited 2001-02-01 | Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
822–894(73 aa)
Fragment:EF-HANDS 3&4 RESIDUE 822-894
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 6.6;300 K;Ionic strength (raw mmCIF value) 20;Pressure 1
NMR sample composition
0.7 MM COMPLEX
|
Resolution not provided |
| 1HCI CRYSTAL STRUCTURE OF THE ROD DOMAIN OF ALPHA-ACTININ Deposited 2001-05-04 | Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
274–746(473 aa)
Fragment:SPECTRIN-LIKE REPEATS 1,2,3, AND 4 - AMINO ACIDS 274 - 746
Chain B
274–746(473 aa)
Fragment:SPECTRIN-LIKE REPEATS 1,2,3, AND 4 - AMINO ACIDS 274 - 746
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 8.5;0.9 M (NH4)2SO4, 0.1 M TRISHCL PH 8.5
|
Resolution 2.80 Å R-free 0.295 |
| 1QUU CRYSTAL STRUCTURE OF TWO CENTRAL SPECTRIN-LIKE REPEATS FROM ALPHA-ACTININ Deposited 1999-07-03 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
391–637(247 aa)
Fragment:SPECTRIN-LIKE REPEATS 2 AND 3 - AMINO ACIDS 391 TO 637
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;26% PEG 400 (FLUKA), 100 MM MGSO4, 100 MM HEPES OR TRIS-HCL, pH 7.5, VAPOR DIFFUSION, HANGING DROP
|
Resolution 2.50 Å R-free 0.310 |
| 4D1E THE CRYSTAL STRUCTURE OF HUMAN MUSCLE ALPHA-ACTININ-2 Deposited 2014-05-01 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
19–894(876 aa)
Fragment:RESIDUES 19-894
|
Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
0.2 M MG FORMATE 5% PEG SMEAR, 0.01 M EDTA
|
Resolution 3.50 Å R-free 0.258 |
| 5A36 Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-05-27 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN, UNP RESIDUES 19-266
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;30% POLYETHYLENE GLYCOL 1500, pH 7.5
|
Resolution 2.00 Å R-free 0.269 |
| 5A36 Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-05-27 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN, UNP RESIDUES 19-266
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;30% POLYETHYLENE GLYCOL 1500, pH 7.5
|
Resolution 2.00 Å R-free 0.269 |
| 5A37 Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-05-27 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN
|
Mutation:YES | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;28% POLYETHYLENE GLYCOL 2000, pH 7.5
|
Resolution 1.88 Å R-free 0.216 |
| 5A37 Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-05-27 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN
|
Mutation:YES | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;28% POLYETHYLENE GLYCOL 2000, pH 7.5
|
Resolution 1.88 Å R-free 0.216 |
| 5A38 Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-05-27 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN, RESIDUES 19 TO 266
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;22% POLYETHYLENE GLYCOL 3350, pH 7.5
|
Resolution 1.90 Å R-free 0.231 |
| 5A38 Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-05-27 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN, RESIDUES 19 TO 266
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;22% POLYETHYLENE GLYCOL 3350, pH 7.5
|
Resolution 1.90 Å R-free 0.231 |
| 5A4B Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-06-05 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN, RESIDUES 19-266
|
Mutation:YES | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;24% POLYETHYLENE GLYCOL 3350, pH 7.5
|
Resolution 2.01 Å R-free 0.235 |
| 5A4B Mutations in the Calponin homology domain of Alpha-Actinin-2 affect Actin binding and incorporation in muscle. Deposited 2015-06-05 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 2 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain B
19–266(248 aa)
Fragment:CALPONIN HOMOLOGY DOMAIN, RESIDUES 19-266
|
Mutation:YES | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.5;24% POLYETHYLENE GLYCOL 3350, pH 7.5
|
Resolution 2.01 Å R-free 0.235 |
| 6SWT Affimer9 co-crystalised with the CH domains of alpha actinin 2. Deposited 2019-09-23 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
19–270(252 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;293 K;20% PEG 3350, 0.2M ammonium tartrate
|
Resolution 1.20 Å R-free 0.164 |
| 6TS3 EF-hands 3 and 4 of alpha-actinin in complex with CaMKII regulatory segment Deposited 2019-12-19 | Different construct Different mutation/modification 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
825–894(70 aa)
|
Not recorded | ACE ACETYL GROUP × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M BIS-TRIS pH 6.5, 25% w/v Polyethylene glycol 3,350
|
Resolution 1.28 Å R-free 0.199 |
| 6TS3 EF-hands 3 and 4 of alpha-actinin in complex with CaMKII regulatory segment Deposited 2019-12-19 | Different construct Different mutation/modification 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
825–894(70 aa)
|
Not recorded | ACE ACETYL GROUP × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M BIS-TRIS pH 6.5, 25% w/v Polyethylene glycol 3,350
|
Resolution 1.28 Å R-free 0.199 |
| 7A8T Crystal structure of sarcomeric protein FATZ-1 (mini-FATZ-1 construct) in complex with rod domain of alpha-actinin-2 Deposited 2020-08-31 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
274–746(473 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;100 mM HEPES (pH 7.0), 16% w/v Jeffamine ED-2003
|
Resolution 2.69 Å R-free 0.235 |
| 7A8U Crystal structure of sarcomeric protein FATZ-1 (d91-FATZ-1 construct) in complex with rod domain of alpha-actinin-2 Deposited 2020-08-31 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
274–746(473 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;100 mM Tris-HCl (pH 8.5), 200 mM trimethylamine N-oxide, 20% w/v polyethylene glycol 2,000 methyl ether
|
Resolution 3.80 Å R-free 0.239 |
| 7B55 Crystal structure of CaMKII-actinin complex bound to MES Deposited 2020-12-03 | Different construct Different mutation/modification 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
825–894(70 aa)
|
Not recorded | MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M MES pH 6.0, 20% w/v PEG4000, 0.2 M Lithium Sulfate
|
Resolution 1.60 Å R-free 0.214 |
| 7B56 Crystal structure of CaMKII-actinin complex bound to AMPPNP Deposited 2020-12-03 | Different construct Different mutation/modification 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
825–894(70 aa)
|
Not recorded | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 MG MAGNESIUM ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M MES pH 6.0, 20% w/v PEG4000, 0.2 M Lithium Sulfate
|
Resolution 1.45 Å R-free 0.215 |
| 7B57 Crystal structure of CaMKII-actinin complex bound to ADP Deposited 2020-12-03 | Different construct Different mutation/modification 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
825–894(70 aa)
|
Not recorded | MG MAGNESIUM ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M MES pH 6.0, 20% w/v PEG4000, 0.2 M Lithium Sulfate
|
Resolution 1.95 Å R-free 0.247 |
15 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | ACTN2_HUMAN |
| Isoform | — |
| PDB entities | 1, 2 |
| Chains and sequence ranges | Author chain A; PDBConstruct 1–507; UniProt 1–507 Author chain B; PDBConstruct 4–389; UniProt 509–894 |