5D3A

KIF21A regulatory coiled coil

• PDB DOI: https://doi.org/10.2210/pdb5D3A/pdb

• Classification: MOTOR PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-08-06 Released: 2016-09-14 
• Deposition Author(s): Bianchi, S., Kraatz, S., Steinmetz, M.O., Kammerer, A.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.202 
• R-Value Work: 0.175 
• R-Value Observed: 0.178 

Literature

Structure of KIF21A regulatory coiled coil

Bianchi, S., Kraatz, S., Steinmetz, M.O., Kammerer, A.R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 19.17 kDa 
• Atom Count: 1,331 
• Modelled Residue Count: 164 
• Deposited Residue Count: 164 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kinesin-like protein KIF21A	A, B	82	Homo sapiens	Mutation(s): 0  Gene Names: KIF21A, KIAA1708, KIF2
UniProt & NIH Common Fund Data Resources
Find proteins for Q7Z4S6 (Homo sapiens) Explore Q7Z4S6  Go to UniProtKB:  Q7Z4S6
PHAROS:  Q7Z4S6 GTEx:  ENSG00000139116

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth B], D [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.202 
• R-Value Work: 0.175 
• R-Value Observed: 0.178 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.02	α = 90
b = 82.02	β = 90
c = 70.57	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-09-14 
Deposition Author(s): Bianchi, S., Kraatz, S., Steinmetz, M.O., Kammerer, A.R.

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Funding Organization	Location	Grant Number
	Switzerland	--

Revision History  

• Version 1.0: 2016-09-14
  Type: Initial release
  
• Version 1.1: 2024-05-08
  Changes: Data collection, Database references