4FSN

Crystal Structure of the CHK1

PDB DOI: https://doi.org/10.2210/pdb4FSN/pdb

Classification: TRANSFERASE/TRANSFERASE inhibitor
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2012-06-27 Released: 2012-08-22
Deposition Author(s): Kang, Y.N., Stuckey, J.A., Chang, P., Russell, A.J.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.10 Å
R-Value Free: 0.217
R-Value Work: 0.176
R-Value Observed: 0.178

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.2 of the entry. See complete history.

Literature

Crystal Structure of the CHK1

Kang, Y.N., Stuckey, J.A., Chang, P., Russell, A.J.

To be published.

Macromolecule Content

Total Structure Weight: 32.61 kDa
Atom Count: 2,371
Modelled Residue Count: 270
Deposited Residue Count: 278
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase Chk1	A	278	Homo sapiens	Mutation(s): 0 Gene Names: CHEK1, CHK1 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for O14757 (Homo sapiens) Explore O14757 Go to UniProtKB: O14757
PHAROS: O14757 GTEx: ENSG00000149554
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	O14757
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A58 Query on A58 Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	4-(6-{[(4-METHYLCYCLOHEXYL)AMINO]METHYL}-1,4-DIHYDROINDENO[1,2-C]PYRAZOL-3-YL)BENZOIC ACID C₂₅ H₂₇ N₃ O₂ MEDLHZCDTXWLOC-GSXCWMCISA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
IPA Query on IPA Download Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	ISOPROPYL ALCOHOL C₃ H₈ O KFZMGEQAYNKOFK-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]

Binding Affinity Annotations
ID	Source	Binding Affinity
A58	BindingDB: 4FSN	Ki: 20 (nM) from 1 assay(s)
A58	BindingDB: 4FSN	IC50: 20 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.10 Å
R-Value Free: 0.217
R-Value Work: 0.176
R-Value Observed: 0.178
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.94	α = 90
b = 65.711	β = 94.2
c = 57.773	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
BUSTER	refinement

Structure Validation

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Ligand Structure Quality Assessment

Entry History

Deposition Data

Released Date: 2012-08-22

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2012-08-22
Type: Initial release
Version 1.1: 2013-05-29
Changes: Other
Version 1.2: 2023-11-29
Changes: Data collection, Database references, Derived calculations

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Help and Resources

4FSN

Crystal Structure of the CHK1

Crystal Structure of the CHK1

Entity ID: 1

UniProt & NIH Common Fund Data Resources

Entity Groups

Sequence Annotations

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Experimental Data

Structure Validation

Ligand Structure Quality Assessment

Deposition Data

Revision History (Full details and data files)