8qv2

Structure of the native y-Tubulin Ring Complex (yTuRC) capping microtubule minus ends at the spindle pole body

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Tubulin gamma chain

OrganismNot specified

UniProt A0A8H4BZN3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 90 Spindle pole body component × 7 (A0A8H4C290) Spindle pole body component × 7 (A0A8H4BVY6) Tubulin alpha-1 chain × 17 (P09733) Tubulin beta chain × 17 (A0A6A5PXT5) Spindle pole body component 110 × 14 (A0A8H8UNQ3) Unkown protein × 14 GUANOSINE-5'-TRIPHOSPHATE × 13 GUANOSINE-5'-DIPHOSPHATE × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A8H4BZN3_YEASX
Isoform —
PDB entities 1
Chains and sequence ranges Author chain a; PDBConstruct 1–473; UniProt 1–473 Author chain b; PDBConstruct 1–473; UniProt 1–473 Author chain c; PDBConstruct 1–473; UniProt 1–473 Author chain d; PDBConstruct 1–473; UniProt 1–473 Author chain e; PDBConstruct 1–473; UniProt 1–473 Author chain f; PDBConstruct 1–473; UniProt 1–473 Author chain g; PDBConstruct 1–473; UniProt 1–473 Author chain h; PDBConstruct 1–473; UniProt 1–473 Author chain i; PDBConstruct 1–473; UniProt 1–473 Author chain j; PDBConstruct 1–473; UniProt 1–473 Author chain k; PDBConstruct 1–473; UniProt 1–473 Author chain l; PDBConstruct 1–473; UniProt 1–473 Author chain m; PDBConstruct 1–473; UniProt 1–473 Author chain n; PDBConstruct 1–473; UniProt 1–473

Spindle pole body component

OrganismNot specified

UniProt A0A8H4C290

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 90 Tubulin gamma chain × 14 (A0A8H4BZN3) Spindle pole body component × 7 (A0A8H4BVY6) Tubulin alpha-1 chain × 17 (P09733) Tubulin beta chain × 17 (A0A6A5PXT5) Spindle pole body component 110 × 14 (A0A8H8UNQ3) Unkown protein × 14 GUANOSINE-5'-TRIPHOSPHATE × 13 GUANOSINE-5'-DIPHOSPHATE × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A8H4C290_YEASX
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–823; UniProt 1–823 Author chain E; PDBConstruct 1–823; UniProt 1–823 Author chain G; PDBConstruct 1–823; UniProt 1–823 Author chain I; PDBConstruct 1–823; UniProt 1–823 Author chain K; PDBConstruct 1–823; UniProt 1–823 Author chain M; PDBConstruct 1–823; UniProt 1–823 Author chain O; PDBConstruct 1–823; UniProt 1–823

Spindle pole body component

OrganismNot specified

UniProt A0A8H4BVY6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 90 Tubulin gamma chain × 14 (A0A8H4BZN3) Spindle pole body component × 7 (A0A8H4C290) Tubulin alpha-1 chain × 17 (P09733) Tubulin beta chain × 17 (A0A6A5PXT5) Spindle pole body component 110 × 14 (A0A8H8UNQ3) Unkown protein × 14 GUANOSINE-5'-TRIPHOSPHATE × 13 GUANOSINE-5'-DIPHOSPHATE × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A8H4BVY6_YEASX
Isoform —
PDB entities 3
Chains and sequence ranges Author chain D; PDBConstruct 1–846; UniProt 1–846 Author chain F; PDBConstruct 1–846; UniProt 1–846 Author chain H; PDBConstruct 1–846; UniProt 1–846 Author chain J; PDBConstruct 1–846; UniProt 1–846 Author chain L; PDBConstruct 1–846; UniProt 1–846 Author chain N; PDBConstruct 1–846; UniProt 1–846 Author chain P; PDBConstruct 1–846; UniProt 1–846

Tubulin alpha-1 chain

OrganismNot specified

UniProt P09733

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 90 Tubulin gamma chain × 14 (A0A8H4BZN3) Spindle pole body component × 7 (A0A8H4C290) Spindle pole body component × 7 (A0A8H4BVY6) Tubulin beta chain × 17 (A0A6A5PXT5) Spindle pole body component 110 × 14 (A0A8H8UNQ3) Unkown protein × 14 GUANOSINE-5'-TRIPHOSPHATE × 13 GUANOSINE-5'-DIPHOSPHATE × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name TBA1_YEAST
Isoform —
PDB entities 4
Chains and sequence ranges Author chain Ab; PDBConstruct 1–447; UniProt 1–447 Author chain Ac; PDBConstruct 1–447; UniProt 1–447 Author chain Ad; PDBConstruct 1–447; UniProt 1–447 Author chain Ae; PDBConstruct 1–447; UniProt 1–447 Author chain Af; PDBConstruct 1–447; UniProt 1–447 Author chain Ag; PDBConstruct 1–447; UniProt 1–447 Author chain Ah; PDBConstruct 1–447; UniProt 1–447 Author chain Ai; PDBConstruct 1–447; UniProt 1–447 Author chain Aj; PDBConstruct 1–447; UniProt 1–447 Author chain Ak; PDBConstruct 1–447; UniProt 1–447 Author chain Al; PDBConstruct 1–447; UniProt 1–447 Author chain Am; PDBConstruct 1–447; UniProt 1–447 Author chain An; PDBConstruct 1–447; UniProt 1–447 Author chain Ao; PDBConstruct 1–447; UniProt 1–447 Author chain Ap; PDBConstruct 1–447; UniProt 1–447 Author chain Aq; PDBConstruct 1–447; UniProt 1–447 Author chain Ar; PDBConstruct 1–447; UniProt 1–447

Tubulin beta chain

OrganismNot specified

UniProt A0A6A5PXT5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 90 Tubulin gamma chain × 14 (A0A8H4BZN3) Spindle pole body component × 7 (A0A8H4C290) Spindle pole body component × 7 (A0A8H4BVY6) Tubulin alpha-1 chain × 17 (P09733) Spindle pole body component 110 × 14 (A0A8H8UNQ3) Unkown protein × 14 GUANOSINE-5'-TRIPHOSPHATE × 13 GUANOSINE-5'-DIPHOSPHATE × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A6A5PXT5_YEASX
Isoform —
PDB entities 5
Chains and sequence ranges Author chain Bb; PDBConstruct 1–457; UniProt 1–457 Author chain Bc; PDBConstruct 1–457; UniProt 1–457 Author chain Bd; PDBConstruct 1–457; UniProt 1–457 Author chain Be; PDBConstruct 1–457; UniProt 1–457 Author chain Bf; PDBConstruct 1–457; UniProt 1–457 Author chain Bg; PDBConstruct 1–457; UniProt 1–457 Author chain Bh; PDBConstruct 1–457; UniProt 1–457 Author chain Bi; PDBConstruct 1–457; UniProt 1–457 Author chain Bj; PDBConstruct 1–457; UniProt 1–457 Author chain Bk; PDBConstruct 1–457; UniProt 1–457 Author chain Bl; PDBConstruct 1–457; UniProt 1–457 Author chain Bm; PDBConstruct 1–457; UniProt 1–457 Author chain Bn; PDBConstruct 1–457; UniProt 1–457 Author chain Bo; PDBConstruct 1–457; UniProt 1–457 Author chain Bp; PDBConstruct 1–457; UniProt 1–457 Author chain Bq; PDBConstruct 1–457; UniProt 1–457 Author chain Br; PDBConstruct 1–457; UniProt 1–457

Spindle pole body component 110

OrganismNot specified

UniProt A0A8H8UNQ3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 90 Tubulin gamma chain × 14 (A0A8H4BZN3) Spindle pole body component × 7 (A0A8H4C290) Spindle pole body component × 7 (A0A8H4BVY6) Tubulin alpha-1 chain × 17 (P09733) Tubulin beta chain × 17 (A0A6A5PXT5) Unkown protein × 14 GUANOSINE-5'-TRIPHOSPHATE × 13 GUANOSINE-5'-DIPHOSPHATE × 1 water × 7 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name A0A8H8UNQ3_YEASX
Isoform —
PDB entities 6
Chains and sequence ranges Author chain Sa; PDBConstruct 1–944; UniProt 1–944 Author chain Sb; PDBConstruct 1–944; UniProt 1–944 Author chain Sc; PDBConstruct 1–944; UniProt 1–944 Author chain Sd; PDBConstruct 1–944; UniProt 1–944 Author chain Se; PDBConstruct 1–944; UniProt 1–944 Author chain Sf; PDBConstruct 1–944; UniProt 1–944 Author chain Sg; PDBConstruct 1–944; UniProt 1–944 Author chain Sh; PDBConstruct 1–944; UniProt 1–944 Author chain Si; PDBConstruct 1–944; UniProt 1–944 Author chain Sj; PDBConstruct 1–944; UniProt 1–944 Author chain Sk; PDBConstruct 1–944; UniProt 1–944 Author chain Sl; PDBConstruct 1–944; UniProt 1–944 Author chain Sm; PDBConstruct 1–944; UniProt 1–944 Author chain Sn; PDBConstruct 1–944; UniProt 1–944

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qv2
Deposition date deposition_date2023-10-17
Structure title titleStructure of the native y-Tubulin Ring Complex (yTuRC) capping microtubule minus ends at the spindle pole body
Keywords keywordsMicrotubule nucleation, MTOC, y-tubulin, SPB, CELL CYCLE; CELL CYCLE
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8qv2__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8qv2__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 1010 1011 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8qv2__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)0.00 Å
Rg (electron density)132.80 Å
Total Rg132.70 Å
Atom count255193
Residues32221
Excluded volume4518900 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8qv2__assembly_1__model_1 90-meric (90) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (10)

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7. Citations (1)