4BL1

Crystal structure of unphosphorylated Maternal Embryonic Leucine zipper Kinase (MELK) in complex with AMP-PNP

• PDB DOI: https://doi.org/10.2210/pdb4BL1/pdb
• Entry: 4BL1 supersedes: 3ZGW

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2013-04-30 Released: 2013-05-08 
• Deposition Author(s): Canevari, G., Re-Depaolini, S., Cucchi, U., Forte, B., Carpinelli, P., Bertrand, J.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.260 
• R-Value Work: 0.180 
• R-Value Observed: 0.184 

Starting Model: experimental

Literature

Crystal Structure of Unphosphorylated Maternal Embryonic Leucine Zipper Kinase

Canevari, G., Re-Depaolini, S., Cucchi, U., Forte, B., Carpinelli, P., Bertrand, J.A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 40.73 kDa 
• Atom Count: 2,638 
• Modelled Residue Count: 312 
• Deposited Residue Count: 347 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MATERNAL EMBRYONIC LEUCINE ZIPPER KINASE	A	347	Homo sapiens	Mutation(s): 0  EC: 2.7.11.1 (PDB Primary Data), 2.7.10.2 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for Q14680 (Homo sapiens) Explore Q14680  Go to UniProtKB:  Q14680
PHAROS:  Q14680 GTEx:  ENSG00000165304

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ANP	B [auth A]	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER C10 H17 N6 O12 P3 PVKSNHVPLWYQGJ-KQYNXXCUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.260 
• R-Value Work: 0.180 
• R-Value Observed: 0.184 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.02	α = 90
b = 63.81	β = 90
c = 92.05	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-08 
Deposition Author(s): Canevari, G., Re-Depaolini, S., Cucchi, U., Forte, B., Carpinelli, P., Bertrand, J.A.
• This entry supersedes: 3ZGW

Revision History  

• Version 1.0: 2013-05-08
  Type: Initial release
  
• Version 1.1: 2019-04-24
  Changes: Data collection, Other, Source and taxonomy
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description