6OJQ

Monomeric kinesin-1 motor domain in no-nucleotide state bound to GMPCPP-stabilized microtubule

• PDB DOI: https://doi.org/10.2210/pdb6OJQ/pdb
• EM Map EMD-20092: EMDB EMDataResource

• Classification: MOTOR PROTEIN
• Organism(s): Bos taurus, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-04-12 Released: 2020-04-15 
• Deposition Author(s): Cha, H.K., Debs, G.
• Funding Organization(s): National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.67 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural Intermediates of the Dimeric Kinesin Stepping Cycle Revealed by Cryo-EM

Cha, H.K., Debs, G., Liu, X., Liu, D., Sindelar, C.V.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 3-mer - A2B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: microscopy

Macromolecule Content

• Total Structure Weight: 133.03 kDa 
• Atom Count: 9,177 
• Modelled Residue Count: 1,164 
• Deposited Residue Count: 1,180 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin beta-2B chain	A [auth B]	426	Bos taurus	Mutation(s): 0
UniProt
Find proteins for Q6B856 (Bos taurus) Explore Q6B856  Go to UniProtKB:  Q6B856

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin alpha-1B chain	B [auth A]	437	Bos taurus	Mutation(s): 0
UniProt
Find proteins for P81947 (Bos taurus) Explore P81947  Go to UniProtKB:  P81947

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Kinesin-1 heavy chain	C [auth K]	317	Homo sapiens	Mutation(s): 0  Gene Names: KIF5B, KNS, KNS1
UniProt & NIH Common Fund Data Resources
Find proteins for P33176 (Homo sapiens) Explore P33176  Go to UniProtKB:  P33176
PHAROS:  P33176 GTEx:  ENSG00000170759

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GTP	F [auth A]	GUANOSINE-5'-TRIPHOSPHATE C10 H16 N5 O14 P3 XKMLYUALXHKNFT-UUOKFMHZSA-N
G2P	D [auth B]	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER C11 H18 N5 O13 P3 GXTIEXDFEKYVGY-KQYNXXCUSA-N
MG	E [auth B], G [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.67 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-04-15 
Deposition Author(s): Cha, H.K., Debs, G.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)	United States	R01 GM 110530-01

Revision History  

• Version 1.0: 2020-04-15
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references, Derived calculations