6BQQ | pdb_00006bqq

Crystal Structure of the Human CAMKK2B in complex with BI2526

• PDB DOI: https://doi.org/10.2210/pdb6BQQ/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-11-28 Released: 2017-12-13 
• Deposition Author(s): Counago, R.M., de Souza, G.P., dos Reis, C.V., Ramos, P.Z., Drewry, D., Massirer, K.B., Arruda, P., Edwards, A.M., Elkins, J.M., Structural Genomics Consortium (SGC)
• Funding Organization(s): Sao Paulo Research Foundation (FAPESP)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.228 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.191 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.192 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of the Human CAMKK2B in complex with BI2526

Counago, R.M., de Souza, G.P., dos Reis, C.V., Drewry, D., Massirer, K.B., Arruda, P., Edwards, A.M., Elkins, J.M., Structural Genomics Consortium (SGC)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 33.83 kDa 
• Atom Count: 2,344 
• Modeled Residue Count: 271 
• Deposited Residue Count: 291 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calcium/calmodulin-dependent protein kinase kinase 2	A	291	Homo sapiens	Mutation(s): 0  Gene Names: CAMKK2, CAMKKB, KIAA0787 EC: 2.7.11.17
UniProt & NIH Common Fund Data Resources
Find proteins for Q96RR4 (Homo sapiens) Explore Q96RR4  Go to UniProtKB:  Q96RR4
PHAROS:  Q96RR4 GTEx:  ENSG00000110931

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
R78	B [auth A]	4-{[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydropteridin-2-yl]amino}-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide C28 H39 N7 O3 XQVVPGYIWAGRNI-JOCHJYFZSA-N
ACT	C [auth A], D [auth A], E [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Binding Affinity Annotations
ID	Source	Binding Affinity
R78	BindingDB:  6BQQ	Kd: 23 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.228 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.191 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.192 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.532	α = 90
b = 73.532	β = 90
c = 119.284	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-12-13 
Deposition Author(s): Counago, R.M., de Souza, G.P., dos Reis, C.V., Ramos, P.Z., Drewry, D., Massirer, K.B., Arruda, P., Edwards, A.M., Elkins, J.M., Structural Genomics Consortium (SGC)

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Funding Organization	Location	Grant Number
Sao Paulo Research Foundation (FAPESP)	Brazil	13/50724-5

Revision History  

• Version 1.0: 2017-12-13
  Type: Initial release
  
• Version 1.1: 2019-04-17
  Changes: Author supporting evidence, Data collection
• Version 1.2: 2020-01-01
  Changes: Author supporting evidence
• Version 1.3: 2023-10-04
  Changes: Data collection, Database references, Refinement description
• Version 1.4: 2024-10-16
  Changes: Structure summary