Tubulin alpha chain
OrganismNot specified
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 × 36 PDB declaration: 36-meric(36) Consistent with protein copy count | Chain 2A; UniProt 1–437 Chain 2B; UniProt 1–437 Chain 2C; UniProt 1–437 Chain 2D; UniProt 1–437 Chain 2E; UniProt 1–437 Chain 2F; UniProt 1–437 Chain 2G; UniProt 1–437 Chain 2H; UniProt 1–437 Chain 2I; UniProt 1–437 Chain 4A; UniProt 1–437 Chain 4B; UniProt 1–437 Chain 4C; UniProt 1–437 Chain 4D; UniProt 1–437 Chain 4E; UniProt 1–437 Chain 4F; UniProt 1–437 Chain 4G; UniProt 1–437 Chain 4H; UniProt 1–437 Chain 4I; UniProt 1–437 | Not recorded | Tubulin beta chain × 18 (A0A125YWG5) | ELECTRON MICROSCOPY cryo-EM buffer:pH 7.2;Phosphate Buffered Saline cryo-EM vitrification conditions:Cryogen ETHANE | Resolution 9.30 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 7TNT | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 7MIZ Atomic structure of cortical microtubule from Toxoplasma gondii Deposited 2021-04-18 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 100 PDB declaration: 100-meric |
Chain A0
1–453(453 aa)
Chain A2
1–453(453 aa)
Chain A4
1–453(453 aa)
Chain A6
1–453(453 aa)
Chain A8
1–453(453 aa)
Chain B0
1–453(453 aa)
Chain B2
1–453(453 aa)
Chain B4
1–453(453 aa)
Chain B6
1–453(453 aa)
Chain B8
1–453(453 aa)
Chain C0
1–453(453 aa)
Chain C2
1–453(453 aa)
Chain C4
1–453(453 aa)
Chain C6
1–453(453 aa)
Chain C8
1–453(453 aa)
Chain D0
1–453(453 aa)
Chain D2
1–453(453 aa)
Chain D4
1–453(453 aa)
Chain D6
1–453(453 aa)
Chain D8
1–453(453 aa)
Chain E0
1–453(453 aa)
Chain E2
1–453(453 aa)
Chain E4
1–453(453 aa)
Chain E6
1–453(453 aa)
Chain E8
1–453(453 aa)
Chain F0
1–453(453 aa)
|
Not recorded | GTP GUANOSINE-5'-TRIPHOSPHATE × 26 MG MAGNESIUM ION × 26 GDP GUANOSINE-5'-DIPHOSPHATE × 26 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE;blot for 4 seconds with a blot force of -15
|
Resolution 3.40 Å |
| 7TNQ The symmetry-released subpellicular microtubule map from detergent-extracted Toxoplasma cells Deposited 2022-01-21 | Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 100 PDB declaration: 100-meric |
Chain A0
1–453(453 aa)
Chain A2
1–453(453 aa)
Chain A4
1–453(453 aa)
Chain A6
1–453(453 aa)
Chain A8
1–453(453 aa)
Chain B0
1–453(453 aa)
Chain B2
1–453(453 aa)
Chain B4
1–453(453 aa)
Chain B6
1–453(453 aa)
Chain B8
1–453(453 aa)
Chain C0
1–453(453 aa)
Chain C2
1–453(453 aa)
Chain C4
1–453(453 aa)
Chain C6
1–453(453 aa)
Chain C8
1–453(453 aa)
Chain D0
1–453(453 aa)
Chain D2
1–453(453 aa)
Chain D4
1–453(453 aa)
Chain D6
1–453(453 aa)
Chain D8
1–453(453 aa)
Chain E0
1–453(453 aa)
Chain E2
1–453(453 aa)
Chain E4
1–453(453 aa)
Chain E6
1–453(453 aa)
Chain E8
1–453(453 aa)
Chain F0
1–453(453 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.2;Phosphate Buffered Saline
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 8.40 Å |
| 7TNS Subpellicular microtubule from detergent-extract Toxoplasma gondii cells Deposited 2022-01-21 | Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 101 PDB declaration: 101-meric |
Chain A0
1–453(453 aa)
Chain A2
1–453(453 aa)
Chain A4
1–453(453 aa)
Chain A6
1–453(453 aa)
Chain A8
1–453(453 aa)
Chain B0
1–453(453 aa)
Chain B2
1–453(453 aa)
Chain B4
1–453(453 aa)
Chain B6
1–453(453 aa)
Chain B8
1–453(453 aa)
Chain C0
1–453(453 aa)
Chain C2
1–453(453 aa)
Chain C4
1–453(453 aa)
Chain C6
1–453(453 aa)
Chain C8
1–453(453 aa)
Chain D0
1–453(453 aa)
Chain D2
1–453(453 aa)
Chain D4
1–453(453 aa)
Chain D6
1–453(453 aa)
Chain D8
1–453(453 aa)
Chain E0
1–453(453 aa)
Chain E2
1–453(453 aa)
Chain E4
1–453(453 aa)
Chain E6
1–453(453 aa)
Chain E8
1–453(453 aa)
Chain F0
1–453(453 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.2;Phosphate-Buffered Saline
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 6.70 Å |
| 9Y9Z Cryo-EM structure of conoid fiber from Toxoplasma gondii (24-nm repeat) Deposited 2025-09-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 378 PDB declaration: 378-meric |
Chain 1A
1–453(453 aa)
Chain 1C
1–453(453 aa)
Chain 1E
1–453(453 aa)
Chain 1G
1–453(453 aa)
Chain 1I
1–453(453 aa)
Chain 1K
1–453(453 aa)
Chain 1M
1–453(453 aa)
Chain 2A
1–453(453 aa)
Chain 2C
1–453(453 aa)
Chain 2E
1–453(453 aa)
Chain 2G
1–453(453 aa)
Chain 2I
1–453(453 aa)
Chain 2K
1–453(453 aa)
Chain 2M
1–453(453 aa)
Chain 3A
1–453(453 aa)
Chain 3C
1–453(453 aa)
Chain 3E
1–453(453 aa)
Chain 3G
1–453(453 aa)
Chain 3I
1–453(453 aa)
Chain 3K
1–453(453 aa)
Chain 3M
1–453(453 aa)
Chain 4A
1–453(453 aa)
Chain 4C
1–453(453 aa)
Chain 4E
1–453(453 aa)
Chain 4G
1–453(453 aa)
Chain 4I
1–453(453 aa)
Chain 4K
1–453(453 aa)
Chain 4M
1–453(453 aa)
Chain 5A
1–453(453 aa)
Chain 5C
1–453(453 aa)
Chain 5E
1–453(453 aa)
Chain 5G
1–453(453 aa)
Chain 5I
1–453(453 aa)
Chain 5K
1–453(453 aa)
Chain 5M
1–453(453 aa)
Chain 6A
1–453(453 aa)
Chain 6C
1–453(453 aa)
Chain 6E
1–453(453 aa)
Chain 6G
1–453(453 aa)
Chain 6I
1–453(453 aa)
Chain 6K
1–453(453 aa)
Chain 6M
1–453(453 aa)
Chain 7A
1–453(453 aa)
Chain 7C
1–453(453 aa)
Chain 7E
1–453(453 aa)
Chain 7G
1–453(453 aa)
Chain 7I
1–453(453 aa)
Chain 7K
1–453(453 aa)
Chain 7M
1–453(453 aa)
Chain 8A
1–453(453 aa)
Chain 8C
1–453(453 aa)
Chain 8E
1–453(453 aa)
Chain 8G
1–453(453 aa)
Chain 8I
1–453(453 aa)
Chain 8K
1–453(453 aa)
Chain 8M
1–453(453 aa)
Chain 9A
1–453(453 aa)
Chain 9C
1–453(453 aa)
Chain 9E
1–453(453 aa)
Chain 9G
1–453(453 aa)
Chain 9I
1–453(453 aa)
Chain 9K
1–453(453 aa)
Chain 9M
1–453(453 aa)
|
Not recorded | GTP GUANOSINE-5'-TRIPHOSPHATE × 63 MG MAGNESIUM ION × 54 GDP GUANOSINE-5'-DIPHOSPHATE × 57 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.14 Å |
| 9YA1 Cryo-EM structure of intraconoidal microtubule 2 (ICMT2) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 96 PDB declaration: 96-meric |
Chain A0
1–453(453 aa)
Chain A2
1–453(453 aa)
Chain A4
1–453(453 aa)
Chain A6
1–453(453 aa)
Chain A8
1–453(453 aa)
Chain B0
1–453(453 aa)
Chain B2
1–453(453 aa)
Chain B4
1–453(453 aa)
Chain B6
1–453(453 aa)
Chain B8
1–453(453 aa)
Chain C0
1–453(453 aa)
Chain C2
1–453(453 aa)
Chain C4
1–453(453 aa)
Chain C6
1–453(453 aa)
Chain C8
1–453(453 aa)
Chain D0
1–453(453 aa)
Chain D2
1–453(453 aa)
Chain D4
1–453(453 aa)
Chain D6
1–453(453 aa)
Chain D8
1–453(453 aa)
Chain E0
1–453(453 aa)
Chain E2
1–453(453 aa)
Chain E4
1–453(453 aa)
Chain E6
1–453(453 aa)
Chain E8
1–453(453 aa)
Chain F0
1–453(453 aa)
|
Not recorded | GTP GUANOSINE-5'-TRIPHOSPHATE × 26 MG MAGNESIUM ION × 26 GDP GUANOSINE-5'-DIPHOSPHATE × 26 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.52 Å |
| 9YA2 Cryo-EM structure of intraconoidal microtubule 1 (ICMT1) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 99 PDB declaration: 99-meric |
Chain A0
1–453(453 aa)
Chain A2
1–453(453 aa)
Chain A4
1–453(453 aa)
Chain A6
1–453(453 aa)
Chain A8
1–453(453 aa)
Chain B0
1–453(453 aa)
Chain B2
1–453(453 aa)
Chain B4
1–453(453 aa)
Chain B6
1–453(453 aa)
Chain B8
1–453(453 aa)
Chain C0
1–453(453 aa)
Chain C2
1–453(453 aa)
Chain C4
1–453(453 aa)
Chain C6
1–453(453 aa)
Chain C8
1–453(453 aa)
Chain D0
1–453(453 aa)
Chain D2
1–453(453 aa)
Chain D4
1–453(453 aa)
Chain D6
1–453(453 aa)
Chain D8
1–453(453 aa)
Chain E0
1–453(453 aa)
Chain E2
1–453(453 aa)
Chain E4
1–453(453 aa)
Chain E6
1–453(453 aa)
Chain E8
1–453(453 aa)
Chain F0
1–453(453 aa)
|
Not recorded | GTP GUANOSINE-5'-TRIPHOSPHATE × 26 MG MAGNESIUM ION × 26 GDP GUANOSINE-5'-DIPHOSPHATE × 26 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.34 Å |
| 9YA3 Cryo-EM structure of the apical region of subpellicular microtubule (SPMT) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 108 PDB declaration: 108-meric |
Chain A0
1–453(453 aa)
Chain A2
1–453(453 aa)
Chain A4
1–453(453 aa)
Chain A6
1–453(453 aa)
Chain A8
1–453(453 aa)
Chain B0
1–453(453 aa)
Chain B2
1–453(453 aa)
Chain B4
1–453(453 aa)
Chain B6
1–453(453 aa)
Chain B8
1–453(453 aa)
Chain C0
1–453(453 aa)
Chain C2
1–453(453 aa)
Chain C4
1–453(453 aa)
Chain C6
1–453(453 aa)
Chain C8
1–453(453 aa)
Chain D0
1–453(453 aa)
Chain D2
1–453(453 aa)
Chain D4
1–453(453 aa)
Chain D6
1–453(453 aa)
Chain D8
1–453(453 aa)
Chain E0
1–453(453 aa)
Chain E2
1–453(453 aa)
Chain E4
1–453(453 aa)
Chain E6
1–453(453 aa)
Chain E8
1–453(453 aa)
Chain F0
1–453(453 aa)
|
Not recorded | GDP GUANOSINE-5'-DIPHOSPHATE × 26 GTP GUANOSINE-5'-TRIPHOSPHATE × 26 MG MAGNESIUM ION × 26 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.30 Å |
7 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | TBA_TOXGO |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain 2A; PDBConstruct 1–437; UniProt 1–437 Author chain 2B; PDBConstruct 1–437; UniProt 1–437 Author chain 2C; PDBConstruct 1–437; UniProt 1–437 Author chain 2D; PDBConstruct 1–437; UniProt 1–437 Author chain 2E; PDBConstruct 1–437; UniProt 1–437 Author chain 2F; PDBConstruct 1–437; UniProt 1–437 Author chain 2G; PDBConstruct 1–437; UniProt 1–437 Author chain 2H; PDBConstruct 1–437; UniProt 1–437 Author chain 2I; PDBConstruct 1–437; UniProt 1–437 Author chain 4A; PDBConstruct 1–437; UniProt 1–437 Author chain 4B; PDBConstruct 1–437; UniProt 1–437 Author chain 4C; PDBConstruct 1–437; UniProt 1–437 Author chain 4D; PDBConstruct 1–437; UniProt 1–437 Author chain 4E; PDBConstruct 1–437; UniProt 1–437 Author chain 4F; PDBConstruct 1–437; UniProt 1–437 Author chain 4G; PDBConstruct 1–437; UniProt 1–437 Author chain 4H; PDBConstruct 1–437; UniProt 1–437 Author chain 4I; PDBConstruct 1–437; UniProt 1–437 |