7x4n

Crystal Structure of C. elegans kinesin-4 KLP-12 complexed with tubulin and DARPin

Method: X-RAY DIFFRACTION Dmax: 121.1 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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–451 Not recorded Tubulin beta chain × 1 (P02554) DARPin × 1 Kinesin-like protein × 1 (G5EGS3) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;ammonium acetate, HEPES, polyethylene glycol (PEG) 3350 Resolution 2.88 Å R-free 0.296

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–445 Not recorded Tubulin alpha-1A chain × 1 (P02550) DARPin × 1 Kinesin-like protein × 1 (G5EGS3) GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;ammonium acetate, HEPES, polyethylene glycol (PEG) 3350 Resolution 2.88 Å R-free 0.296

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

Caenorhabditis elegans

UniProt G5EGS3

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain E; UniProt 1–365 Not recorded Tubulin alpha-1A chain × 1 (P02550) Tubulin beta chain × 1 (P02554) DARPin × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;ammonium acetate, HEPES, polyethylene glycol (PEG) 3350 Resolution 2.88 Å R-free 0.296

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 G5EGS3_CAEEL
Isoform
PDB entities 4
Chains and sequence ranges Author chain E; PDBConstruct 1–365; UniProt 1–365

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 7x4n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7x4n
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7x4n
Deposition date deposition_date2022-03-03
Structure title titleCrystal Structure of C. elegans kinesin-4 KLP-12 complexed with tubulin and DARPin
Keywords keywordskinesin-4, KLP-12, KIF21A, KIF21B, microtubule, tubulin, axon, CFEOM1, DARPin, MOTOR PROTEIN; MOTOR PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.76
Radius of gyration Rg (electron density) rg_electron35.46
Forward intensity I(0) i0355792000.00
Molecular weight molecular_weight148150.0 kDa
Excluded volume excluded_volume183440 ų
Envelope volume envelope_volume233720 ų
Hydration-shell volume shell_volume54261 ų
Envelope diameter envelope_diameter133.4
Shell Rg shell_rg42.20
Envelope Rg envelope_rg35.89
Shape Rg shape_rg35.46
Total Rg total_rg35.88
Total atoms total_atoms10388
Residues n_residues1328
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 dmax121.1
Rg (real space) rg_real35.75
Rg uncertainty (real space) rg_real_error0.96
I(0) (real space) i0_real3.5580e+08
I(0) uncertainty (real space) i0_real_error6.1900e+06
Rg (reciprocal space) rg_reciprocal35.76
I(0) (reciprocal space) i0_reciprocal355800000.0000
Solution quality estimate total_estimate0.8752
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary41.3
Skewness Skewness skewness0.373
Kurtosis Kurtosis kurtosis-0.192
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha92740000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.831; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.887

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

Domain ID domain_id7x4nA01
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_id7x4nA02
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_id7x4nB01
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_id7x4nB02
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_id7x4nE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology850 — Kinesin
Homologous superfamily homologous superfamily10 — Kinesin motor domain

8. Citations (1)

9. Files and Curves (10)