6mlr

Cryo-EM structure of microtubule-bound Kif7 in the AMPPNP state

Method: ELECTRON MICROSCOPY Dmax: 110.1 Å Quality: GOOD

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

Tubulin alpha-1A chain

OrganismNot specified

UniProt P02550

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 1–451 Not recorded Tubulin beta chain × 1 (P02554) Kinesin-like protein KIF7 × 1 (Q2M1P5) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 6.8 cryo-EM vitrification conditions:Cryogen ETHANE;Blotted from behind the grid for 2 seconds Resolution 4.20 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.

39 other PDB entries and 46 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TBA1A_PIG
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; 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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 1–445 Not recorded Tubulin alpha-1A chain × 1 (P02550) Kinesin-like protein KIF7 × 1 (Q2M1P5) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 6.8 cryo-EM vitrification conditions:Cryogen ETHANE;Blotted from behind the grid for 2 seconds Resolution 4.20 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

Kinesin-like protein KIF7

Homo sapiens

UniProt Q2M1P5

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 C; UniProt 1–398 Not recorded Tubulin alpha-1A chain × 1 (P02550) Tubulin beta chain × 1 (P02554) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TA1 TAXOL × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 6.8 cryo-EM vitrification conditions:Cryogen ETHANE;Blotted from behind the grid for 2 seconds Resolution 4.20 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.

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

View Construct and Data Evidence
UniProt name KIF7_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 2–399; UniProt 1–398

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 6mlr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6mlr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6mlr
Deposition date deposition_date2018-09-27
Structure title titleCryo-EM structure of microtubule-bound Kif7 in the AMPPNP state
Keywords keywordsMicrotubule tip-tracking, Primary cilium, Hedgehog signaling, MOTOR PROTEIN, motor protein-inhibitor complex; motor protein/inhibitor
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier33.33
Radius of gyration Rg (electron density) rg_electron32.78
Forward intensity I(0) i0278334000.00
Molecular weight molecular_weight130690.0 kDa
Excluded volume excluded_volume161990 ų
Envelope volume envelope_volume207030 ų
Hydration-shell volume shell_volume51162 ų
Envelope diameter envelope_diameter119.9
Shell Rg shell_rg40.89
Envelope Rg envelope_rg33.02
Shape Rg shape_rg32.78
Total Rg total_rg33.35
Total atoms total_atoms9177
Residues n_residues1160
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 dmax110.1
Rg (real space) rg_real33.26
Rg uncertainty (real space) rg_real_error0.73
I(0) (real space) i0_real2.7830e+08
I(0) uncertainty (real space) i0_real_error4.3950e+06
Rg (reciprocal space) rg_reciprocal33.31
I(0) (reciprocal space) i0_reciprocal278300000.0000
Solution quality estimate total_estimate0.8886
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary39.0
Skewness Skewness skewness0.284
Kurtosis Kurtosis kurtosis-0.398
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha103100000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.865; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.952

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

8. Citations (1)

9. Files and Curves (10)