← Back to search
9ya2

Cryo-EM structure of intraconoidal microtubule 1 (ICMT1) from Toxoplasma gondii (8-nm repeat)

Method: ELECTRON MICROSCOPY Dmax: 341.7 Å Quality: GOOD
▼

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

Microtubule associated protein SPM1

OrganismNot specified

UniProt A0A7J6K285

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain A； UniProt 1–351 Chain B； UniProt 1–351 Chain C； UniProt 1–351 Chain D； UniProt 1–351 Chain E； UniProt 1–351 Chain F； UniProt 1–351 Chain G； UniProt 1–351 Chain H； UniProt 1–351 Chain I； UniProt 1–351 Chain J； UniProt 1–351 Chain K； UniProt 1–351 Not recorded Tubulin alpha chain × 26 （P10873） Tubulin beta chain × 26 （I7BFC9） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL1, TGME49_232410 × 22 （Q8MPF4） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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 9YA2 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 experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 100 PDB declaration: 100-meric
Chain 0 1–351（351 aa）
Chain 1 1–351（351 aa）
Chain 10 1–351（351 aa）
Chain 11 1–351（351 aa）
Chain 12 1–351（351 aa）
Chain 13 1–351（351 aa）
Chain 14 1–351（351 aa）
Chain 15 1–351（351 aa）
Chain 16 1–351（351 aa）
Chain 17 1–351（351 aa）
Chain 18 1–351（351 aa）
Chain 19 1–351（351 aa）
Chain 2 1–351（351 aa）
Chain 20 1–351（351 aa）
Chain 21 1–351（351 aa）
Chain 22 1–351（351 aa）
Chain 23 1–351（351 aa）
Chain 3 1–351（351 aa）
Chain 4 1–351（351 aa）
Chain 5 1–351（351 aa）
Chain 6 1–351（351 aa）
Chain 7 1–351（351 aa）
Chain 8 1–351（351 aa）
Chain 9 1–351（351 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
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 structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 378 PDB declaration: 378-meric
Chain C1 1–351（351 aa）
Chain C2 1–351（351 aa）
Chain C3 1–351（351 aa）
Chain C4 1–351（351 aa）
Chain C5 1–351（351 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 oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric
Chain A 1–351（351 aa）
Chain B 1–351（351 aa）
Chain C 1–351（351 aa）
Chain D 1–351（351 aa）
Chain E 1–351（351 aa）
Chain F 1–351（351 aa）
Chain G 1–351（351 aa）
Chain H 1–351（351 aa）
Chain I 1–351（351 aa）
Chain J 1–351（351 aa）
Chain K 1–351（351 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
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 structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 108 PDB declaration: 108-meric
Chain 0 1–351（351 aa）
Chain 1 1–351（351 aa）
Chain 10 1–351（351 aa）
Chain 11 1–351（351 aa）
Chain 12 1–351（351 aa）
Chain 13 1–351（351 aa）
Chain 14 1–351（351 aa）
Chain 15 1–351（351 aa）
Chain 16 1–351（351 aa）
Chain 17 1–351（351 aa）
Chain 18 1–351（351 aa）
Chain 19 1–351（351 aa）
Chain 2 1–351（351 aa）
Chain 22 1–351（351 aa）
Chain 23 1–351（351 aa）
Chain 3 1–351（351 aa）
Chain 4 1–351（351 aa）
Chain 5 1–351（351 aa）
Chain 6 1–351（351 aa）
Chain 7 1–351（351 aa）
Chain 8 1–351（351 aa）
Chain 9 1–351（351 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

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A7J6K285_TOXGO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–351； UniProt 1–351 Author chain B； PDBConstruct 1–351； UniProt 1–351 Author chain C； PDBConstruct 1–351； UniProt 1–351 Author chain D； PDBConstruct 1–351； UniProt 1–351 Author chain E； PDBConstruct 1–351； UniProt 1–351 Author chain F； PDBConstruct 1–351； UniProt 1–351 Author chain G； PDBConstruct 1–351； UniProt 1–351 Author chain H； PDBConstruct 1–351； UniProt 1–351 Author chain I； PDBConstruct 1–351； UniProt 1–351 Author chain J； PDBConstruct 1–351； UniProt 1–351 Author chain K； PDBConstruct 1–351； UniProt 1–351

Tubulin alpha chain

OrganismNot specified

UniProt P10873

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain A0； UniProt 1–453 Chain A2； UniProt 1–453 Chain A4； UniProt 1–453 Chain A6； UniProt 1–453 Chain A8； UniProt 1–453 Chain B0； UniProt 1–453 Chain B2； UniProt 1–453 Chain B4； UniProt 1–453 Chain B6； UniProt 1–453 Chain B8； UniProt 1–453 Chain C0； UniProt 1–453 Chain C2； UniProt 1–453 Chain C4； UniProt 1–453 Chain C6； UniProt 1–453 Chain C8； UniProt 1–453 Chain D0； UniProt 1–453 Chain D2； UniProt 1–453 Chain D4； UniProt 1–453 Chain D6； UniProt 1–453 Chain D8； UniProt 1–453 Chain E0； UniProt 1–453 Chain E2； UniProt 1–453 Chain E4； UniProt 1–453 Chain E6； UniProt 1–453 Chain E8； UniProt 1–453 Chain F0； UniProt 1–453 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin beta chain × 26 （I7BFC9） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL1, TGME49_232410 × 22 （Q8MPF4） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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 9YA2 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 oligomeric state 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 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 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 oligomeric state Different ligand/ion 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
7TNT The tubulin-based conoid from detergent-extract Toxoplasma gondii cells Deposited 2022-01-21 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 36 PDB declaration: 36-meric
Chain 2A 1–437（437 aa）
Chain 2B 1–437（437 aa）
Chain 2C 1–437（437 aa）
Chain 2D 1–437（437 aa）
Chain 2E 1–437（437 aa）
Chain 2F 1–437（437 aa）
Chain 2G 1–437（437 aa）
Chain 2H 1–437（437 aa）
Chain 2I 1–437（437 aa）
Chain 4A 1–437（437 aa）
Chain 4B 1–437（437 aa）
Chain 4C 1–437（437 aa）
Chain 4D 1–437（437 aa）
Chain 4E 1–437（437 aa）
Chain 4F 1–437（437 aa）
Chain 4G 1–437（437 aa）
Chain 4H 1–437（437 aa）
Chain 4I 1–437（437 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 9.30 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 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 oligomeric state 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
9YA3 Cryo-EM structure of the apical region of subpellicular microtubule (SPMT) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state 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 2
Chains and sequence ranges Author chain A0； PDBConstruct 1–453； UniProt 1–453 Author chain A2； PDBConstruct 1–453； UniProt 1–453 Author chain A4； PDBConstruct 1–453； UniProt 1–453 Author chain A6； PDBConstruct 1–453； UniProt 1–453 Author chain A8； PDBConstruct 1–453； UniProt 1–453 Author chain B0； PDBConstruct 1–453； UniProt 1–453 Author chain B2； PDBConstruct 1–453； UniProt 1–453 Author chain B4； PDBConstruct 1–453； UniProt 1–453 Author chain B6； PDBConstruct 1–453； UniProt 1–453 Author chain B8； PDBConstruct 1–453； UniProt 1–453 Author chain C0； PDBConstruct 1–453； UniProt 1–453 Author chain C2； PDBConstruct 1–453； UniProt 1–453 Author chain C4； PDBConstruct 1–453； UniProt 1–453 Author chain C6； PDBConstruct 1–453； UniProt 1–453 Author chain C8； PDBConstruct 1–453； UniProt 1–453 Author chain D0； PDBConstruct 1–453； UniProt 1–453 Author chain D2； PDBConstruct 1–453； UniProt 1–453 Author chain D4； PDBConstruct 1–453； UniProt 1–453 Author chain D6； PDBConstruct 1–453； UniProt 1–453 Author chain D8； PDBConstruct 1–453； UniProt 1–453 Author chain E0； PDBConstruct 1–453； UniProt 1–453 Author chain E2； PDBConstruct 1–453； UniProt 1–453 Author chain E4； PDBConstruct 1–453； UniProt 1–453 Author chain E6； PDBConstruct 1–453； UniProt 1–453 Author chain E8； PDBConstruct 1–453； UniProt 1–453 Author chain F0； PDBConstruct 1–453； UniProt 1–453

Tubulin beta chain

OrganismNot specified

UniProt I7BFC9

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain A1； UniProt 1–449 Chain A3； UniProt 1–449 Chain A5； UniProt 1–449 Chain A7； UniProt 1–449 Chain A9； UniProt 1–449 Chain B1； UniProt 1–449 Chain B3； UniProt 1–449 Chain B5； UniProt 1–449 Chain B7； UniProt 1–449 Chain B9； UniProt 1–449 Chain C1； UniProt 1–449 Chain C3； UniProt 1–449 Chain C5； UniProt 1–449 Chain C7； UniProt 1–449 Chain C9； UniProt 1–449 Chain D1； UniProt 1–449 Chain D3； UniProt 1–449 Chain D5； UniProt 1–449 Chain D7； UniProt 1–449 Chain D9； UniProt 1–449 Chain E1； UniProt 1–449 Chain E3； UniProt 1–449 Chain E5； UniProt 1–449 Chain E7； UniProt 1–449 Chain E9； UniProt 1–449 Chain F1； UniProt 1–449 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin alpha chain × 26 （P10873） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL1, TGME49_232410 × 22 （Q8MPF4） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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 9YA2 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 oligomeric state Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 100 PDB declaration: 100-meric
Chain A1 1–449（449 aa）
Chain A3 1–449（449 aa）
Chain A5 1–449（449 aa）
Chain A7 1–449（449 aa）
Chain A9 1–449（449 aa）
Chain B1 1–449（449 aa）
Chain B3 1–449（449 aa）
Chain B5 1–449（449 aa）
Chain B7 1–449（449 aa）
Chain B9 1–449（449 aa）
Chain C1 1–449（449 aa）
Chain C3 1–449（449 aa）
Chain C5 1–449（449 aa）
Chain C7 1–449（449 aa）
Chain C9 1–449（449 aa）
Chain D1 1–449（449 aa）
Chain D3 1–449（449 aa）
Chain D5 1–449（449 aa）
Chain D7 1–449（449 aa）
Chain D9 1–449（449 aa）
Chain E1 1–449（449 aa）
Chain E3 1–449（449 aa）
Chain E5 1–449（449 aa）
Chain E7 1–449（449 aa）
Chain E9 1–449（449 aa）
Chain F1 1–449（449 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
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 structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 378 PDB declaration: 378-meric
Chain 1B 1–449（449 aa）
Chain 1D 1–449（449 aa）
Chain 1F 1–449（449 aa）
Chain 1H 1–449（449 aa）
Chain 1J 1–449（449 aa）
Chain 1L 1–449（449 aa）
Chain 1N 1–449（449 aa）
Chain 2B 1–449（449 aa）
Chain 2D 1–449（449 aa）
Chain 2F 1–449（449 aa）
Chain 2H 1–449（449 aa）
Chain 2J 1–449（449 aa）
Chain 2L 1–449（449 aa）
Chain 3B 1–449（449 aa）
Chain 3D 1–449（449 aa）
Chain 3F 1–449（449 aa）
Chain 3H 1–449（449 aa）
Chain 3J 1–449（449 aa）
Chain 3L 1–449（449 aa）
Chain 4B 1–449（449 aa）
Chain 4D 1–449（449 aa）
Chain 4F 1–449（449 aa）
Chain 4H 1–449（449 aa）
Chain 4J 1–449（449 aa）
Chain 4L 1–449（449 aa）
Chain 5B 1–449（449 aa）
Chain 5D 1–449（449 aa）
Chain 5F 1–449（449 aa）
Chain 5H 1–449（449 aa）
Chain 5J 1–449（449 aa）
Chain 5L 1–449（449 aa）
Chain 5N 1–449（449 aa）
Chain 6B 1–449（449 aa）
Chain 6D 1–449（449 aa）
Chain 6F 1–449（449 aa）
Chain 6H 1–449（449 aa）
Chain 6J 1–449（449 aa）
Chain 6L 1–449（449 aa）
Chain 6N 1–449（449 aa）
Chain 7B 1–449（449 aa）
Chain 7D 1–449（449 aa）
Chain 7F 1–449（449 aa）
Chain 7H 1–449（449 aa）
Chain 7J 1–449（449 aa）
Chain 7L 1–449（449 aa）
Chain 8B 1–449（449 aa）
Chain 8D 1–449（449 aa）
Chain 8F 1–449（449 aa）
Chain 8H 1–449（449 aa）
Chain 8J 1–449（449 aa）
Chain 8L 1–449（449 aa）
Chain 9B 1–449（449 aa）
Chain 9D 1–449（449 aa）
Chain 9F 1–449（449 aa）
Chain 9H 1–449（449 aa）
Chain 9J 1–449（449 aa）
Chain 9L 1–449（449 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 oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric
Chain A1 1–449（449 aa）
Chain A3 1–449（449 aa）
Chain A5 1–449（449 aa）
Chain A7 1–449（449 aa）
Chain A9 1–449（449 aa）
Chain B1 1–449（449 aa）
Chain B3 1–449（449 aa）
Chain B5 1–449（449 aa）
Chain B7 1–449（449 aa）
Chain B9 1–449（449 aa）
Chain C1 1–449（449 aa）
Chain C3 1–449（449 aa）
Chain C5 1–449（449 aa）
Chain C7 1–449（449 aa）
Chain C9 1–449（449 aa）
Chain D1 1–449（449 aa）
Chain D3 1–449（449 aa）
Chain D5 1–449（449 aa）
Chain D7 1–449（449 aa）
Chain D9 1–449（449 aa）
Chain E1 1–449（449 aa）
Chain E3 1–449（449 aa）
Chain E5 1–449（449 aa）
Chain E7 1–449（449 aa）
Chain E9 1–449（449 aa）
Chain F1 1–449（449 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
9YA3 Cryo-EM structure of the apical region of subpellicular microtubule (SPMT) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 108 PDB declaration: 108-meric
Chain A1 1–449（449 aa）
Chain A3 1–449（449 aa）
Chain A5 1–449（449 aa）
Chain A7 1–449（449 aa）
Chain A9 1–449（449 aa）
Chain B1 1–449（449 aa）
Chain B3 1–449（449 aa）
Chain B5 1–449（449 aa）
Chain B7 1–449（449 aa）
Chain B9 1–449（449 aa）
Chain C1 1–449（449 aa）
Chain C3 1–449（449 aa）
Chain C5 1–449（449 aa）
Chain C7 1–449（449 aa）
Chain C9 1–449（449 aa）
Chain D1 1–449（449 aa）
Chain D3 1–449（449 aa）
Chain D5 1–449（449 aa）
Chain D7 1–449（449 aa）
Chain D9 1–449（449 aa）
Chain E1 1–449（449 aa）
Chain E3 1–449（449 aa）
Chain E5 1–449（449 aa）
Chain E7 1–449（449 aa）
Chain E9 1–449（449 aa）
Chain F1 1–449（449 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

4 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name I7BFC9_TOXGO
Isoform —
PDB entities 3
Chains and sequence ranges Author chain A1； PDBConstruct 1–449； UniProt 1–449 Author chain A3； PDBConstruct 1–449； UniProt 1–449 Author chain A5； PDBConstruct 1–449； UniProt 1–449 Author chain A7； PDBConstruct 1–449； UniProt 1–449 Author chain A9； PDBConstruct 1–449； UniProt 1–449 Author chain B1； PDBConstruct 1–449； UniProt 1–449 Author chain B3； PDBConstruct 1–449； UniProt 1–449 Author chain B5； PDBConstruct 1–449； UniProt 1–449 Author chain B7； PDBConstruct 1–449； UniProt 1–449 Author chain B9； PDBConstruct 1–449； UniProt 1–449 Author chain C1； PDBConstruct 1–449； UniProt 1–449 Author chain C3； PDBConstruct 1–449； UniProt 1–449 Author chain C5； PDBConstruct 1–449； UniProt 1–449 Author chain C7； PDBConstruct 1–449； UniProt 1–449 Author chain C9； PDBConstruct 1–449； UniProt 1–449 Author chain D1； PDBConstruct 1–449； UniProt 1–449 Author chain D3； PDBConstruct 1–449； UniProt 1–449 Author chain D5； PDBConstruct 1–449； UniProt 1–449 Author chain D7； PDBConstruct 1–449； UniProt 1–449 Author chain D9； PDBConstruct 1–449； UniProt 1–449 Author chain E1； PDBConstruct 1–449； UniProt 1–449 Author chain E3； PDBConstruct 1–449； UniProt 1–449 Author chain E5； PDBConstruct 1–449； UniProt 1–449 Author chain E7； PDBConstruct 1–449； UniProt 1–449 Author chain E9； PDBConstruct 1–449； UniProt 1–449 Author chain F1； PDBConstruct 1–449； UniProt 1–449

ICMAP2, TGME49_224700

OrganismNot specified

UniProt A0A086KMN2

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain L； UniProt 1–1678 Chain M； UniProt 1–1678 Chain N； UniProt 1–1678 Chain Q； UniProt 1–1678 Chain V； UniProt 1–1678 Chain W； UniProt 1–1678 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin alpha chain × 26 （P10873） Tubulin beta chain × 26 （I7BFC9） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL1, TGME49_232410 × 22 （Q8MPF4） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name A0A086KMN2_TOXGO
Isoform —
PDB entities 4
Chains and sequence ranges Author chain L； PDBConstruct 1–1678； UniProt 1–1678 Author chain M； PDBConstruct 1–1678； UniProt 1–1678 Author chain N； PDBConstruct 1–1678； UniProt 1–1678 Author chain Q； PDBConstruct 1–1678； UniProt 1–1678 Author chain V； PDBConstruct 1–1678； UniProt 1–1678 Author chain W； PDBConstruct 1–1678； UniProt 1–1678

TLAP3 (apical cap protein AC5), TGME49_235380

OrganismNot specified

UniProt A0A151H4L4

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain O； UniProt 1–583 Chain P； UniProt 1–583 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin alpha chain × 26 （P10873） Tubulin beta chain × 26 （I7BFC9） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL1, TGME49_232410 × 22 （Q8MPF4） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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 9YA2 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
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 structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric
Chain O 1–583（583 aa）
Chain P 1–583（583 aa）
Chain R 1–583（583 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
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 structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 108 PDB declaration: 108-meric
Chain A 1–583（583 aa）
Chain B 1–583（583 aa）
Chain C 1–583（583 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

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A151H4L4_TOXGO
Isoform —
PDB entities 5
Chains and sequence ranges Author chain O； PDBConstruct 1–583； UniProt 1–583 Author chain P； PDBConstruct 1–583； UniProt 1–583

TLAP4 (thioredoxin-like associated protein), TGME49_201760

OrganismNot specified

UniProt A0A7J6K913

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain R； UniProt 1–336 Chain S； UniProt 1–336 Chain T； UniProt 1–336 Chain U； UniProt 1–336 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin alpha chain × 26 （P10873） Tubulin beta chain × 26 （I7BFC9） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TRXL1, TGME49_232410 × 22 （Q8MPF4） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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 9YA2 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
9YA1 Cryo-EM structure of intraconoidal microtubule 2 (ICMT2) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric
Chain U 1–336（336 aa）
Chain V 1–336（336 aa）
Chain W 1–336（336 aa）
Chain X 1–336（336 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
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 structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 108 PDB declaration: 108-meric
Chain E 1–336（336 aa）
Chain F 1–336（336 aa）
Chain G 1–336（336 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

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A7J6K913_TOXGO
Isoform —
PDB entities 6
Chains and sequence ranges Author chain R； PDBConstruct 1–336； UniProt 1–336 Author chain S； PDBConstruct 1–336； UniProt 1–336 Author chain T； PDBConstruct 1–336； UniProt 1–336 Author chain U； PDBConstruct 1–336； UniProt 1–336

TRXL1, TGME49_232410

OrganismNot specified

UniProt Q8MPF4

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain a； UniProt 1–220 Chain b； UniProt 1–220 Chain c； UniProt 1–220 Chain d； UniProt 1–220 Chain e； UniProt 1–220 Chain f； UniProt 1–220 Chain g； UniProt 1–220 Chain h； UniProt 1–220 Chain i； UniProt 1–220 Chain j； UniProt 1–220 Chain m； UniProt 1–220 Chain n； UniProt 1–220 Chain o； UniProt 1–220 Chain p； UniProt 1–220 Chain q； UniProt 1–220 Chain r； UniProt 1–220 Chain s； UniProt 1–220 Chain t； UniProt 1–220 Chain u； UniProt 1–220 Chain v； UniProt 1–220 Chain w； UniProt 1–220 Chain x； UniProt 1–220 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin alpha chain × 26 （P10873） Tubulin beta chain × 26 （I7BFC9） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL2, TGME49_225790 × 2 （A0A7J6K232） 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

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 9YA2 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 experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 100 PDB declaration: 100-meric
Chain a 1–220（220 aa）
Chain b 1–220（220 aa）
Chain c 1–220（220 aa）
Chain d 1–220（220 aa）
Chain e 1–220（220 aa）
Chain f 1–220（220 aa）
Chain g 1–220（220 aa）
Chain h 1–220（220 aa）
Chain i 1–220（220 aa）
Chain j 1–220（220 aa）
Chain m 1–220（220 aa）
Chain n 1–220（220 aa）
Chain o 1–220（220 aa）
Chain p 1–220（220 aa）
Chain q 1–220（220 aa）
Chain r 1–220（220 aa）
Chain s 1–220（220 aa）
Chain t 1–220（220 aa）
Chain u 1–220（220 aa）
Chain v 1–220（220 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
9YA1 Cryo-EM structure of intraconoidal microtubule 2 (ICMT2) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric
Chain a 1–220（220 aa）
Chain b 1–220（220 aa）
Chain c 1–220（220 aa）
Chain d 1–220（220 aa）
Chain e 1–220（220 aa）
Chain f 1–220（220 aa）
Chain g 1–220（220 aa）
Chain h 1–220（220 aa）
Chain i 1–220（220 aa）
Chain j 1–220（220 aa）
Chain m 1–220（220 aa）
Chain n 1–220（220 aa）
Chain o 1–220（220 aa）
Chain p 1–220（220 aa）
Chain q 1–220（220 aa）
Chain r 1–220（220 aa）
Chain s 1–220（220 aa）
Chain t 1–220（220 aa）
Chain u 1–220（220 aa）
Chain v 1–220（220 aa）
Chain w 1–220（220 aa）
Chain x 1–220（220 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
9YA3 Cryo-EM structure of the apical region of subpellicular microtubule (SPMT) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 108 PDB declaration: 108-meric
Chain a 1–220（220 aa）
Chain b 1–220（220 aa）
Chain c 1–220（220 aa）
Chain d 1–220（220 aa）
Chain e 1–220（220 aa）
Chain f 1–220（220 aa）
Chain g 1–220（220 aa）
Chain h 1–220（220 aa）
Chain i 1–220（220 aa）
Chain j 1–220（220 aa）
Chain m 1–220（220 aa）
Chain n 1–220（220 aa）
Chain o 1–220（220 aa）
Chain p 1–220（220 aa）
Chain q 1–220（220 aa）
Chain r 1–220（220 aa）
Chain s 1–220（220 aa）
Chain t 1–220（220 aa）
Chain u 1–220（220 aa）
Chain v 1–220（220 aa）
Chain w 1–220（220 aa）
Chain x 1–220（220 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

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q8MPF4_TOXGO
Isoform —
PDB entities 7
Chains and sequence ranges Author chain a； PDBConstruct 1–220； UniProt 1–220 Author chain b； PDBConstruct 1–220； UniProt 1–220 Author chain c； PDBConstruct 1–220； UniProt 1–220 Author chain d； PDBConstruct 1–220； UniProt 1–220 Author chain e； PDBConstruct 1–220； UniProt 1–220 Author chain f； PDBConstruct 1–220； UniProt 1–220 Author chain g； PDBConstruct 1–220； UniProt 1–220 Author chain h； PDBConstruct 1–220； UniProt 1–220 Author chain i； PDBConstruct 1–220； UniProt 1–220 Author chain j； PDBConstruct 1–220； UniProt 1–220 Author chain m； PDBConstruct 1–220； UniProt 1–220 Author chain n； PDBConstruct 1–220； UniProt 1–220 Author chain o； PDBConstruct 1–220； UniProt 1–220 Author chain p； PDBConstruct 1–220； UniProt 1–220 Author chain q； PDBConstruct 1–220； UniProt 1–220 Author chain r； PDBConstruct 1–220； UniProt 1–220 Author chain s； PDBConstruct 1–220； UniProt 1–220 Author chain t； PDBConstruct 1–220； UniProt 1–220 Author chain u； PDBConstruct 1–220； UniProt 1–220 Author chain v； PDBConstruct 1–220； UniProt 1–220 Author chain w； PDBConstruct 1–220； UniProt 1–220 Author chain x； PDBConstruct 1–220； UniProt 1–220

TRXL2, TGME49_225790

OrganismNot specified

UniProt A0A7J6K232

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 × 99 PDB declaration: 99-meric（99） Consistent with protein copy count Chain k； UniProt 1–166 Chain l； UniProt 1–166 Not recorded Microtubule associated protein SPM1 × 11 （A0A7J6K285） Tubulin alpha chain × 26 （P10873） Tubulin beta chain × 26 （I7BFC9） ICMAP2, TGME49_224700 × 6 （A0A086KMN2） TLAP3 (apical cap protein AC5), TGME49_235380 × 2 （A0A151H4L4） TLAP4 (thioredoxin-like associated protein), TGME49_201760 × 4 （A0A7J6K913） TRXL1, TGME49_232410 × 22 （Q8MPF4） 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

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 9YA2 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 experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 100 PDB declaration: 100-meric
Chain k 1–166（166 aa）
Chain l 1–166（166 aa）
Chain w 1–166（166 aa）
Chain x 1–166（166 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
9YA1 Cryo-EM structure of intraconoidal microtubule 2 (ICMT2) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 96 PDB declaration: 96-meric
Chain k 1–166（166 aa）
Chain l 1–166（166 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
9YA3 Cryo-EM structure of the apical region of subpellicular microtubule (SPMT) from Toxoplasma gondii (8-nm repeat) Deposited 2025-09-15 Different oligomeric state Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 108 PDB declaration: 108-meric
Chain k 1–166（166 aa）
Chain l 1–166（166 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

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A7J6K232_TOXGO
Isoform —
PDB entities 8
Chains and sequence ranges Author chain k； PDBConstruct 1–166； UniProt 1–166 Author chain l； PDBConstruct 1–166； UniProt 1–166

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.

SAXS scattering curve SAXS Profile

SAXS profile for 9ya2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ya2
Download Download
▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id9ya2
Deposition date deposition_date2025-09-15
Structure title titleCryo-EM structure of intraconoidal microtubule 1 (ICMT1) from Toxoplasma gondii (8-nm repeat)
Keywords keywords;Tubulin, Microtubule, Microtubule Inner Protein, Microtubule-associated Protein, Toxoplasma gondii, conoid, conoid fiber, intraconoidal microtubule, ICMT, STRUCTURAL PROTEIN ;; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY
▼

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier— Å
Radius of gyration Rg (electron density) rg_electron121.40 Å
Forward intensity I(0) i0152895000000.00
Molecular weight molecular_weight3294300.0 kDa
Excluded volume excluded_volume4094200 ų
Envelope volume envelope_volume7282000 ų
Hydration-shell volume shell_volume479520 ų
Envelope diameter envelope_diameter376.7 Å
Shell Rg shell_rg137.50 Å
Envelope Rg envelope_rg111.80 Å
Shape Rg shape_rg121.40 Å
Total Rg total_rg121.50 Å
Total atoms total_atoms231266
Residues n_residues29244
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
▼

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax341.7 Å
Rg (real space) rg_real122.00 Å
Rg uncertainty (real space) rg_real_error1.06 Å
I(0) (real space) i0_real1.4910e+11
I(0) uncertainty (real space) i0_real_error3.3130e+09
Rg (reciprocal space) rg_reciprocal128.10 Å
I(0) (reciprocal space) i0_reciprocal156000000000.0000
Solution quality estimate total_estimate0.8930
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary184.0 Å
Skewness Skewness skewness-0.124
Kurtosis Kurtosis kurtosis-0.698
Angular range angular_range— – 0.0650 Å−1
Current regularization parameter α current_alpha1.7600
Highest regularization parameter α highest_alpha3872000000.0000
Real-space data points n_real_points14
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.946; Stabil: 0.930; Sysdev: 1.000; Positv: 1.000; Valcen: 0.987; Smooth: 0.000
▶

5. Crystallography and Experiment 5. Crystallography & Experiment

▶

6. Entities and Polymers Entities & Polymers (11)

▶

8. Citations (1)

▶

9. Files and Curves (10)