3jak

Cryo-EM structure of GTPgammaS-microtubule co-polymerized with EB3 (merged dataset with and without kinesin bound)

Method: ELECTRON MICROSCOPY Dmax: 224.9 Å Quality: GOOD

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

Tubulin alpha-1B chain

OrganismNot specified

UniProt Q2XVP4

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 × 14 PDB declaration: tetradecameric(14) Consistent with protein copy count Chain A; UniProt 1–451 Chain C; UniProt 1–451 Chain E; UniProt 1–451 Chain J; UniProt 1–451 Chain K; UniProt 1–451 Chain L; UniProt 1–451 Not recorded Tubulin beta chain × 6 (P02554) Microtubule-associated protein RP/EB family member 3 × 2 (Q9UPY8) GTP GUANOSINE-5'-TRIPHOSPHATE × 6 MG MAGNESIUM ION × 6 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 6 ELECTRON MICROSCOPY cryo-EM buffer:BRB80;pH 6.8;80 mM PIPES, 1 mM EGTA, 1 mM MgCl2, 1 mM DTT, 0.05% Nonidet P-40 cryo-EM vitrification conditions:Blot once for 4 seconds before plunging.;90.4 K;Cryogen ETHANE;Blot once for 4 seconds before plunging into liquid ethane (FEI VITROBOT MARK II). Resolution 3.30 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.

230 other PDB entries and 243 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TBA1B_PIG
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–451; UniProt 1–451 Author chain C; PDBConstruct 1–451; UniProt 1–451 Author chain E; PDBConstruct 1–451; UniProt 1–451 Author chain J; PDBConstruct 1–451; UniProt 1–451 Author chain K; PDBConstruct 1–451; UniProt 1–451 Author chain L; PDBConstruct 1–451; UniProt 1–451

Tubulin beta chain

OrganismNot specified

UniProt P02554

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 × 14 PDB declaration: tetradecameric(14) Consistent with protein copy count Chain B; UniProt 1–445 Chain D; UniProt 1–445 Chain F; UniProt 1–445 Chain G; UniProt 1–445 Chain H; UniProt 1–445 Chain I; UniProt 1–445 Not recorded Tubulin alpha-1B chain × 6 (Q2XVP4) Microtubule-associated protein RP/EB family member 3 × 2 (Q9UPY8) GTP GUANOSINE-5'-TRIPHOSPHATE × 6 MG MAGNESIUM ION × 6 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 6 ELECTRON MICROSCOPY cryo-EM buffer:BRB80;pH 6.8;80 mM PIPES, 1 mM EGTA, 1 mM MgCl2, 1 mM DTT, 0.05% Nonidet P-40 cryo-EM vitrification conditions:Blot once for 4 seconds before plunging.;90.4 K;Cryogen ETHANE;Blot once for 4 seconds before plunging into liquid ethane (FEI VITROBOT MARK II). Resolution 3.30 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.

137 other PDB entries and 159 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TBB_PIG
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–445; UniProt 1–445 Author chain D; PDBConstruct 1–445; UniProt 1–445 Author chain F; PDBConstruct 1–445; UniProt 1–445 Author chain G; PDBConstruct 1–445; UniProt 1–445 Author chain H; PDBConstruct 1–445; UniProt 1–445 Author chain I; PDBConstruct 1–445; UniProt 1–445

Microtubule-associated protein RP/EB family member 3

Homo sapiens

UniProt Q9UPY8

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 × 14 PDB declaration: tetradecameric(14) Consistent with protein copy count Chain M; UniProt 1–200 Chain N; UniProt 1–200 Fragment:UNP residues 1-200 Tubulin alpha-1B chain × 6 (Q2XVP4) Tubulin beta chain × 6 (P02554) GTP GUANOSINE-5'-TRIPHOSPHATE × 6 MG MAGNESIUM ION × 6 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 6 ELECTRON MICROSCOPY cryo-EM buffer:BRB80;pH 6.8;80 mM PIPES, 1 mM EGTA, 1 mM MgCl2, 1 mM DTT, 0.05% Nonidet P-40 cryo-EM vitrification conditions:Blot once for 4 seconds before plunging.;90.4 K;Cryogen ETHANE;Blot once for 4 seconds before plunging into liquid ethane (FEI VITROBOT MARK II). Resolution 3.30 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.

8 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MARE3_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain M; PDBConstruct 4–203; UniProt 1–200 Author chain N; PDBConstruct 4–203; UniProt 1–200

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 3jak

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3jak
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3jak
Deposition date deposition_date2015-06-16
Structure title titleCryo-EM structure of GTPgammaS-microtubule co-polymerized with EB3 (merged dataset with and without kinesin bound)
Keywords keywordsmicrotubule, EB3, GTPgammaS, kinesin, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier65.48
Radius of gyration Rg (electron density) rg_electron65.42
Forward intensity I(0) i05538310000.00
Molecular weight molecular_weight613640.0 kDa
Excluded volume excluded_volume760360 ų
Envelope volume envelope_volume1053200 ų
Hydration-shell volume shell_volume132700 ų
Envelope diameter envelope_diameter243.1
Shell Rg shell_rg65.98
Envelope Rg envelope_rg64.47
Shape Rg shape_rg65.43
Total Rg total_rg65.41
Total atoms total_atoms43066
Residues n_residues5428
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −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 dmax224.9
Rg (real space) rg_real65.52
Rg uncertainty (real space) rg_real_error2.83
I(0) (real space) i0_real5.5380e+09
I(0) uncertainty (real space) i0_real_error1.3440e+08
Rg (reciprocal space) rg_reciprocal65.39
I(0) (reciprocal space) i0_reciprocal5537000000.0000
Solution quality estimate total_estimate0.8753
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary75.0
Skewness Skewness skewness0.288
Kurtosis Kurtosis kurtosis-0.439
Angular range angular_range— – 0.1200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha206700000.0000
Real-space data points n_real_points25
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.864; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.784

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 38 domains

CATH v4.4 (38 domains)

Domain ID domain_id3jakA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakB03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakC03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakD03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakE02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakE03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakF01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakF02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakF03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakG01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakG02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakG03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakH01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakH02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakH03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakI01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakI02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakI03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakJ01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakJ02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakJ03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakK01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakK02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakK03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakL01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1440 — Tubulin/FtsZ, GTPase domain
Domain ID domain_id3jakL02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily20 — Tubulin/FtsZ, C-terminal domain
Domain ID domain_id3jakL03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily600 — Helix hairpin bin
Domain ID domain_id3jakM00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain
Domain ID domain_id3jakN00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily10 — Calponin-like domain

8. Citations (1)

9. Files and Curves (10)