O14757 (CHK1_HUMAN) Homo sapiens (Human)

Serine/threonine-protein kinase Chk1 UniProtKBInterProSTRINGInteractive Modelling

476 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3)

Available Structures

159 Experimental Structures

DescriptionPDB IDOligo-stateRangeLigands
Crystal structure of CHK1 kinase domain in complex with a CLASPIN phosphopeptide Heteromer
Q9HAW4;
2-271
STU;EDO;ZN;
Assess
Structure of CHK1 10-pt. mutant complex with staurosporinemonomer3-283
STU;CL;
Assess
Discovery of Checkpoint Kinase Inhibitor AZD7762 by Structure Based Design and Optimization of Thio…monomer2-281
SO4;YDI;
Assess
Discovery of a Novel Class of triazolones as Checkpoint Kinase Inhibitors - Hit to Lead Explorationmonomer2-281
X8D;SO4;
Assess
Crystal structure of Chk1 in complex with inhibitor S25monomer2-280
SO4;S25;
Assess
Crystal Structure of Chek1 in Complex with Inhibitor 1amonomer2-280
582;
Assess
crystal structure of chek1 in complex with inhibitor 22monomer2-280
306;
Assess
Crystal structure of Chk1 in complex with inhibitor S01monomer2-280
SO4;07S;
Assess
crystal structure of Chek1 in complex with inhibitor 20monomer2-280
710;
Assess
Crystal Structure of Chek1 in Complex with Inhibitor 54monomer2-280
M54;
Assess
Crystal Structure of the CHK1monomer2-280
H6K;SO4;GOL;IPA;
Assess
crystal structure of Chek1 in complex with inhibitor 2amonomer2-280
7CS;
Assess
Crystal Structure of the CHK1monomer2-280
H4K;SO4;
Assess
Crystal Structure of the CHK1monomer2-280
H1K;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
1HK;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK0;SO4;GOL;IPA;
Assess
CHK1 kinase domain in complex with diarylpyrazine compound 1monomer3-280
3DL;
Assess
Crystal Structure of the CHK1monomer3-280
7HK;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
A58;SO4;IPA;
Assess
CHK1 kinase domain in complex with aminopyrazine compound 13monomer3-280
3DV;
Assess
Crystal Structure of the CHK1monomer3-280
H3K;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK9;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK8;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
6HK;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK1;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
H9K;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK6;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK7;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
H5K;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-280
HK3;SO4;
Assess
Crystal Structure of the CHK1monomer3-280
H2K;SO4;GOL;
Assess
Crystal Structure of the CHK1monomer3-280
HKC;SO4;
Assess
Crystal Structure of the CHK1monomer3-280
H0K;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-279
H8K;SO4;IPA;
Assess
Crystal Structure of the CHK1monomer3-279
H7K;SO4;GOL;IPA;
Assess
THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE CHECKPOINT KINASE CHK1monomer2-276
SO4;
Assess
Crystal Structure of Chk1 Complexed with a Hymenaldisine Analogmonomer2-276
SO4;HYM;
Assess
crystal structure of Chek1 in complex with inhibitor 1monomer2-276
422;
Assess
crystal structure of Chek1 in complex with inhibitor 2monomer2-276
373;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer2-276
PFP;SO4;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer2-276
PFQ;SO4;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer2-276
DF2;
Assess
4-(Aminoalkylamino)-3-Benzimidazole-Quinolinones As Potent CHK1 Inhibitorsmonomer1-273
SO4;12C;
Assess
X-RAY Crystal structure of compound 40 bound to human chk1 kinase domainmonomer3-274
GOL;1AO;
Assess
Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verif…monomer2-273
IDZ;SO4;
Assess
Co-crystal structure of Checkpoint Kinase Chk1 with a pyrrolo-pyridine inhibitormonomer3-273
SO4;199;
Assess
CHK1 kinase domain in complex with diazacarbazole compound 14monomer3-273
3DW;
Assess
Characterization of the Chk1 allosteric inhibitor binding sitemonomer2-272
AGX;
Assess
The Complex Structure Of Checkpoint Kinase Chk1/SB218078monomer3-273
SO4;UCM;
Assess
The Complex Structure Of Checkpoint Kinase Chk1/Staurosporinemonomer3-273
SO4;STU;
Assess
CHK1 kinase domain with diazacarbazole compound 7: 3-(2-hydroxyphenyl)-9H-pyrrolo[2,3-b:5,4-c']dipy…monomer3-273
3XL;
Assess
CHK1 kinase domain with diazacarbazole compound 8: N-[3-(6-cyano-9H-pyrrolo[2,3-b:5,4-c']dipyridin-…monomer3-273
3XK;
Assess
CHK1 kinase domain with diazacarbazole compound 19monomer3-273
3X7;
Assess
Characterization of the Chk1 allosteric inhibitor binding sitemonomer2-272
AGY;
Assess
CHK1 kinase domain in complex with diazacarbazole GNE-783monomer3-273
3DX;
Assess
The Complex Structure Of Checkpoint Kinase Chk1/UCN-01monomer3-273
SO4;UCN;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer6-276
DF1;
Assess
X-ray crystal structure of compound 1 bound to human CHK1 kinase domainmonomer3-272
C73;GOL;
Assess
Crystal structure of CHK1 kinase domain in complex with ATPySmonomer2-271
AGS;MG;EDO;
Assess
Synthesis and evaluation of triazolones as checkpoint kinase 1 inhibitorsmonomer2-270
GOL;YEX;SO4;
Assess
X-ray crystal structure of compound 70 bound to human CHK1 kinase domainmonomer4-272
C70;
Assess
X-ray crystal structure of compound 22k bound to human Chk1 kinase domainmonomer4-272
22K;
Assess
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 06monomer3-271
BVI;EDO;
Assess
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 09monomer3-271
BWI;EDO;
Assess
Structure of CHK1 10-pt. mutant complex with pyrrolopyridine LRRK2 inhibitormonomer3-271
A3K;CL;
Assess
CHK1 KINASE IN COMPLEX WITH COMPOUND 13monomer2-270
SO4;D4Q;
Assess
X-ray crystal structure of compound 17r bound to human Chk1 kinase domainmonomer4-272
MI5;GOL;
Assess
X-RAY Crystal structure of compound 39 bound to human chk1 kinase domainmonomer4-272
1AM;
Assess
CHK1 KINASE IN COMPLEX WITH COMPOUND 13monomer2-270
D4Z;SO4;
Assess
X-RAY Crystal structure of compound 22a (R)-2-(4-chlorophenyl)-8-(piperidin-3-ylamino)imidazo[1,2-c…monomer4-272
1KO;
Assess
Structure of h-CHK1 complexed with A780125monomer2-270
A25;
Assess
Crystal Structure of the CHK1monomer3-271
2HK;SO4;GOL;IPA;
Assess
Crystal Structure of the CHK1monomer3-271
3HK;SO4;GOL;IPA;
Assess
Structure of h-CHK1 complexed with AA582939monomer2-270
A58;
Assess
Crystal Structure of the CHK1monomer3-271
5HK;SO4;GOL;IPA;
Assess
Structure of h-CHK1 complexed with A767085monomer2-270
76A;
Assess
Structure of h-CHK1 complexed with A771129monomer2-270
77A;
Assess
Crystal Structure of CHK1 with a Urea Inhibitormonomer2-270
A42;
Assess
h-CHK1 complexed with A431994monomer2-270
A53;
Assess
Structure of CHK1 8-pt. mutant complex with aminopyrimido-benzodiazepinone LRRK2 inhibitormonomer3-270
4K4;MES;
Assess
Structure of LRRK2-CHK1 10-pt. mutant complex with heteroaryl-1H-indazole LRRK2 inhibitor 25monomer4-271
UU6;
Assess
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 18monomer4-271
YXD;
Assess
Structure of Compound 2 bound to the CHK1 10-point mutantmonomer4-271
ZXH;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 8monomer3-270
42C;CL;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 9monomer3-270
TVW;CL;
Assess
Synthesis and evaluation of triazolones as checkpoint kinase 1 inhibitorsmonomer2-269
TQ1;SO4;EDO;
Assess
Structure of Compound 5 bound to the CHK1 10-point mutantmonomer4-271
ZXL;
Assess
Structure of CHK1 10-pt. mutant complex with pyrrolopyridine LRRK2 inhibitormonomer3-270
A3H;
Assess
Discovery of Checkpoint Kinase Inhibitor AZD7762 by Structure Based Design and Optimization of Thio…monomer3-270
SO4;GOL;YDK;
Assess
Crystal Structure of the CHK1monomer3-270
HK4;SO4;GOL;IPA;
Assess
Structure of CHK1 10-pt. mutant complex with arylbenzamide LRRK2 inhibitormonomer4-271
A0Q;CL;
Assess
Discovery of a Novel Class of triazolones as Checkpoint Kinase Inhibitors - Hit to Lead Explorationmonomer2-269
X8I;SO4;GOL;
Assess
Structure of CHK1 10-pt. mutant complex with pyrrolopyridine LRRK2 inhibitormonomer3-270
A3Q;
Assess
Crystal Structure of the CHK1monomer3-270
4HK;IPA;SO4;GOL;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 3monomer3-270
TVT;CL;
Assess
Structure of h-CHK1 complexed with A859017monomer2-269
85A;
Assess
Structure of CHK1 10-pt. mutant complex with aminopyrimidine LRRK2 inhibitormonomer3-270
A0T;
Assess
Crystal Structure of the CHK1monomer4-271
HK5;SO4;GOL;IPA;
Assess
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 22monomer4-271
L80;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer7-274
DFZ;
Assess
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-273
3D3;
Assess
Crystal Structure of CHK1 with an Indol Inhibitormonomer2-269
43A;
Assess
Structure of CHK1 10-pt. mutant complex with indazole LRRK2 inhibitormonomer5-271
A1N;CL;
Assess
X-ray crystal structure of compound 2a bound to human CHK1 kinase domainmonomer6-272
C72;GOL;
Assess
Structure of CHK1 10-pt. mutant complex with AMP-PNPmonomer5-271
ANP;
Assess
Structure of CHK1 10-pt. mutant complex with pyrrolopyrimidine LRRK2 inhibitormonomer4-270
A1K;CL;NA;
Assess
Crystal structure of CHK1-10pt-mutant complex with adeninemonomer4-270
ADE;CL;
Assess
Structure of CHK1 10-pt. mutant complex with pyrrolopyrimidine LRRK2 inhibitormonomer4-270
3FE;CL;
Assess
Multi-parameter lead optimization to give an oral CHK1 inhibitor clinical candidate: (R)-5-((4-((mo…monomer5-271
5UY;EDO;GOL;
Assess
Structure of CHK1 10-pt. mutant complex with aminopyridine LRRK2 inhibitormonomer4-270
A3E;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 45monomer5-271
U0T;CL;
Assess
Structure of CHK1 12-pt. mutant complex with arylbenzamide LRRK2 inhibitormonomer4-270
A0Q;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 44monomer5-271
U0K;CL;
Assess
Structure of CHK1 10-pt. mutant complex with aminopyrimido-benzodiazepinone LRRK2 inhibitormonomer4-270
4K4;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 13monomer5-271
TWK;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer4-270
4YM;EDO;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer4-270
4UB;EDO;
Assess
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 15monomer4-270
BXI;
Assess
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-272
3B3;
Assess
X-ray crystal structure of compound 1 bound to human CHK1 kinase domainmonomer7-272
09H;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 18monomer5-270
TWH;
Assess
Novel kinase profile highlights the temporal basis of context dependent checkpoint pathways to cell…monomer6-271
5BE;
Assess
Structure of CHK1 12-pt. mutant complex with aminopyrimido-benzodiazepinone LRRK2 inhibitormonomer5-270
4K4;CL;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer6-271
DFW;
Assess
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-271
3C3;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 10monomer5-270
TW2;
Assess
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-271
3A3;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-271
YM7;EDO;
Assess
Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verif…monomer6-270
DBQ;SO3;
Assess
Identification of Novel, in vivo Active Chk1 Inhibitors Utilizing Structure Guided Drug Designmonomer6-270
5CV;SO4;
Assess
Crystal structure of CHK1 complex with compound 9monomer7-271
TVW;
Assess
Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verif…monomer6-270
ABO;
Assess
Crystal structure of CHK1 complex with adeninemonomer7-271
ADE;SO4;
Assess
Structure of LRRK2-CHK1 10-pt. mutant complex with heteroaryl-1H-indazole LRRK2 inhibitor 14monomer8-271
UUF;
Assess
Structure of Compound 13 bound to the CHK1 10-point mutantmonomer8-271
ZXP;
Assess
Crystal structure of chk1 kinase in complex with inhibitor 38monomer7-270
38M;SO4;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 32monomer8-271
U0N;CL;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
ZYV;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
YM6;EDO;
Assess
Structure of CHK1 8-pt. mutant complex with arylbenzamide LRRK2 inhibitormonomer8-271
A0Q;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
XEZ;EDO;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
ZYR;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer6-269
YVQ;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
ZYS;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
YM3;EDO;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
YM5;EDO;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
YM8;EDO;
Assess
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer7-269
DFY;
Assess
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 24monomer9-271
BYL;
Assess
Crystal structure of CHK1-10pt-mutant complex with compound 26monomer8-270
U0Q;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-269
ZYW;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-269
ZY6;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-269
ZYQ;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
ZYT;
Assess
Discovery of Checkpoint Kinase Inhibitor AZD7762 by Structure Based Design and Optimization of Thio…monomer8-269
YDJ;PO4;
Assess
Discovery of a Novel Class of triazolones as Checkpoint Kinase Inhibitors - Hit to Lead Explorationmonomer9-270
X8E;SO4;
Assess
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer9-270
ZYU;
Assess
CHK1 KINASE IN COMPLEX WITH COMPOUND 44monomer9-269
D58;SO4;
Assess
Crystal structure of the KA1 domain from human Chk1monomer377-468
ACT;GOL;
Assess

2 SWISS-MODEL models

TemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
5iso.1.Amonomer0.615-446
24.15
Assess
7jhg.1.Amonomer0.546-463
25.28
Assess

5 SWISS-MODEL models built on isoform sequence

TemplateIsoformOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 22qhm.1.Amonomer0.823-186
99.53
Assess
Isoform 32hxq.1.Amonomer0.852-276
373;100.00
Assess
Isoform 36c9d.1.Amonomer0.613-429
27.81
Assess
Isoform 34rer.1.Amonomer0.555-408
27.32
Assess
Isoform 37m74.1.Amonomer0.516-429
25.92
Assess