O14757 (CHK1_HUMAN) Homo sapiens (Human)

Serine/threonine-protein kinase Chk1 UniProtKBInterProSTRINGInteractive Modelling

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

Available Structures

160 Experimental Structures

DescriptionPDB IDOligo-stateRangeSeq id (%)Ligands
Crystal structure of CHK1 kinase domain in complex with a CLASPIN phosphopeptide Heteromer
Q9HAW4;
2-271
99.63STU;EDO;ZN;
Structure of CHK1 10-pt. mutant complex with staurosporinemonomer3-283
96.34STU;CL;
Discovery of Checkpoint Kinase Inhibitor AZD7762 by Structure Based Design and Optimization of Thio…monomer2-281
100SO4;YDI;
Discovery of a Novel Class of triazolones as Checkpoint Kinase Inhibitors - Hit to Lead Explorationmonomer2-281
100X8D;SO4;
Crystal structure of Chk1 in complex with inhibitor S25monomer2-280
100.0SO4;S25;
Crystal Structure of Chek1 in Complex with Inhibitor 1amonomer2-280
100.0582;
crystal structure of chek1 in complex with inhibitor 22monomer2-280
100.0306;
Crystal structure of Chk1 in complex with inhibitor S01monomer2-280
100.0SO4;07S;
crystal structure of Chek1 in complex with inhibitor 20monomer2-280
100.0710;
Crystal Structure of Chek1 in Complex with Inhibitor 54monomer2-280
100.0M54;
Crystal Structure of the CHK1monomer2-280
100.0H6K;SO4;GOL;IPA;
crystal structure of Chek1 in complex with inhibitor 2amonomer2-280
100.07CS;
Crystal Structure of the CHK1monomer2-280
100.0H4K;SO4;
Crystal Structure of the CHK1monomer2-280
100.0H1K;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
100.01HK;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK0;SO4;GOL;IPA;
CHK1 kinase domain in complex with diarylpyrazine compound 1monomer3-280
100.03DL;
Crystal Structure of the CHK1monomer3-280
100.07HK;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
99.63A58;SO4;IPA;
CHK1 kinase domain in complex with aminopyrazine compound 13monomer3-280
100.03DV;
Crystal Structure of the CHK1monomer3-280
100.0H3K;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK9;SO4;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK6;SO4;IPA;
Crystal Structure of the CHK1monomer3-280
100.0H9K;SO4;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK1;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK7;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
100.06HK;SO4;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK8;SO4;IPA;
Crystal Structure of the CHK1monomer3-280
100.0HK3;SO4;
Crystal Structure of the CHK1monomer3-280
100.0H5K;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-280
100.0H2K;SO4;GOL;
Crystal Structure of the CHK1monomer3-280
100.0HKC;SO4;
Crystal Structure of the CHK1monomer3-280
100.0H0K;SO4;IPA;
Crystal Structure of the CHK1monomer3-279
100.0H7K;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-279
100.0H8K;SO4;IPA;
THE 1.7 A CRYSTAL STRUCTURE OF HUMAN CELL CYCLE CHECKPOINT KINASE CHK1monomer2-276
100.0SO4;
Crystal Structure of Chk1 Complexed with a Hymenaldisine Analogmonomer2-276
100.0SO4;HYM;
crystal structure of Chek1 in complex with inhibitor 1monomer2-276
100.0422;
crystal structure of Chek1 in complex with inhibitor 2monomer2-276
100.0373;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer2-276
100.0PFP;SO4;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer2-276
100.0PFQ;SO4;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer2-276
100.0DF2;
4-(Aminoalkylamino)-3-Benzimidazole-Quinolinones As Potent CHK1 Inhibitorsmonomer1-273
100.0SO4;12C;
X-RAY Crystal structure of compound 40 bound to human chk1 kinase domainmonomer3-274
100.0GOL;1AO;
Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verif…monomer2-273
100.0IDZ;SO4;
Co-crystal structure of Checkpoint Kinase Chk1 with a pyrrolo-pyridine inhibitormonomer3-273
99.63SO4;199;
CHK1 kinase domain in complex with diazacarbazole compound 14monomer3-273
100.03DW;
Characterization of the Chk1 allosteric inhibitor binding sitemonomer2-272
100.0AGX;
The Complex Structure Of Checkpoint Kinase Chk1/SB218078monomer3-273
100.0SO4;UCM;
The Complex Structure Of Checkpoint Kinase Chk1/Staurosporinemonomer3-273
100.0SO4;STU;
CHK1 kinase domain with diazacarbazole compound 8: N-[3-(6-cyano-9H-pyrrolo[2,3-b:5,4-c']dipyridin-…monomer3-273
100.03XK;
CHK1 kinase domain with diazacarbazole compound 7: 3-(2-hydroxyphenyl)-9H-pyrrolo[2,3-b:5,4-c']dipy…monomer3-273
100.03XL;
CHK1 kinase domain with diazacarbazole compound 19monomer3-273
100.03X7;
Characterization of the Chk1 allosteric inhibitor binding sitemonomer2-272
100.0AGY;
CHK1 kinase domain in complex with diazacarbazole GNE-783monomer3-273
100.03DX;
The Complex Structure Of Checkpoint Kinase Chk1/UCN-01monomer3-273
100.0SO4;UCN;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer6-276
100.0DF1;
X-ray crystal structure of compound 1 bound to human CHK1 kinase domainmonomer3-272
100.0C73;GOL;
Crystal structure of CHK1 kinase domain in complex with ATPySmonomer2-271
99.63AGS;MG;EDO;
Synthesis and evaluation of triazolones as checkpoint kinase 1 inhibitorsmonomer2-270
100GOL;YEX;SO4;
X-ray crystal structure of compound 70 bound to human CHK1 kinase domainmonomer4-272
100.0C70;
X-ray crystal structure of compound 22k bound to human Chk1 kinase domainmonomer4-272
100.022K;
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 09monomer3-271
96.18BWI;EDO;
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 06monomer3-271
96.18BVI;EDO;
Structure of CHK1 10-pt. mutant complex with pyrrolopyridine LRRK2 inhibitormonomer3-271
96.17A3K;CL;
CHK1 KINASE IN COMPLEX WITH COMPOUND 13monomer2-270
100SO4;D4Q;
X-ray crystal structure of compound 17r bound to human Chk1 kinase domainmonomer4-272
100.0MI5;GOL;
X-RAY Crystal structure of compound 39 bound to human chk1 kinase domainmonomer4-272
100.01AM;
CHK1 KINASE IN COMPLEX WITH COMPOUND 13monomer2-270
100D4Z;SO4;
X-RAY Crystal structure of compound 22a (R)-2-(4-chlorophenyl)-8-(piperidin-3-ylamino)imidazo[1,2-c…monomer4-272
100.01KO;
Structure of h-CHK1 complexed with A780125monomer2-270
100A25;
Crystal Structure of the CHK1monomer3-271
100.02HK;SO4;GOL;IPA;
Structure of h-CHK1 complexed with AA582939monomer2-270
100A58;
Crystal Structure of the CHK1monomer3-271
100.03HK;SO4;GOL;IPA;
Crystal Structure of the CHK1monomer3-271
100.05HK;SO4;GOL;IPA;
Structure of h-CHK1 complexed with A767085monomer2-270
10076A;
Structure of h-CHK1 complexed with A771129monomer2-270
10077A;
Crystal Structure of CHK1 with a Urea Inhibitormonomer2-270
100A42;
h-CHK1 complexed with A431994monomer2-270
100A53;
Structure of CHK1 10-pt. mutant complex with LRRK2 indazole inhibitor compound 6monomer4-271
96.12A1AV4;EDO;
Structure of CHK1 8-pt. mutant complex with aminopyrimido-benzodiazepinone LRRK2 inhibitormonomer3-270
96.984K4;MES;
Structure of LRRK2-CHK1 10-pt. mutant complex with heteroaryl-1H-indazole LRRK2 inhibitor 25monomer4-271
96.15UU6;
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 18monomer4-271
96.2YXD;
Structure of Compound 2 bound to the CHK1 10-point mutantmonomer4-271
96.18ZXH;
Crystal structure of CHK1-10pt-mutant complex with compound 8monomer3-270
96.1542C;CL;
Crystal structure of CHK1-10pt-mutant complex with compound 9monomer3-270
96.15TVW;CL;
Synthesis and evaluation of triazolones as checkpoint kinase 1 inhibitorsmonomer2-269
100TQ1;SO4;EDO;
Structure of Compound 5 bound to the CHK1 10-point mutantmonomer4-271
96.18ZXL;
Discovery of Checkpoint Kinase Inhibitor AZD7762 by Structure Based Design and Optimization of Thio…monomer3-270
100.0SO4;GOL;YDK;
Structure of CHK1 10-pt. mutant complex with pyrrolopyridine LRRK2 inhibitormonomer3-270
96.17A3H;
Crystal Structure of the CHK1monomer3-270
100.0HK4;SO4;GOL;IPA;
Structure of CHK1 10-pt. mutant complex with arylbenzamide LRRK2 inhibitormonomer4-271
96.2A0Q;CL;
Discovery of a Novel Class of triazolones as Checkpoint Kinase Inhibitors - Hit to Lead Explorationmonomer2-269
100.0X8I;SO4;GOL;
Structure of h-CHK1 complexed with A859017monomer2-269
10085A;
Structure of CHK1 10-pt. mutant complex with pyrrolopyridine LRRK2 inhibitormonomer3-270
96.12A3Q;
Structure of CHK1 10-pt. mutant complex with aminopyrimidine LRRK2 inhibitormonomer3-270
96.14A0T;
Crystal Structure of the CHK1monomer3-270
100.04HK;IPA;SO4;GOL;
Crystal structure of CHK1-10pt-mutant complex with compound 3monomer3-270
96.2TVT;CL;
Crystal Structure of the CHK1monomer4-271
99.61HK5;SO4;GOL;IPA;
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 22monomer4-271
96.18L80;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer7-274
100.0DFZ;
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-273
100.03D3;
Crystal Structure of CHK1 with an Indol Inhibitormonomer2-269
10043A;
Structure of CHK1 10-pt. mutant complex with indazole LRRK2 inhibitormonomer5-271
96.18A1N;CL;
X-ray crystal structure of compound 2a bound to human CHK1 kinase domainmonomer6-272
100.0C72;GOL;
Structure of CHK1 10-pt. mutant complex with AMP-PNPmonomer5-271
96.17ANP;
Structure of CHK1 10-pt. mutant complex with pyrrolopyrimidine LRRK2 inhibitormonomer4-270
96.17A1K;CL;NA;
Crystal structure of CHK1-10pt-mutant complex with adeninemonomer4-270
96.14ADE;CL;
Structure of CHK1 10-pt. mutant complex with pyrrolopyrimidine LRRK2 inhibitormonomer4-270
96.143FE;CL;
Multi-parameter lead optimization to give an oral CHK1 inhibitor clinical candidate: (R)-5-((4-((mo…monomer5-271
100.05UY;EDO;GOL;
Structure of CHK1 10-pt. mutant complex with aminopyridine LRRK2 inhibitormonomer4-270
96.12A3E;
Structure of CHK1 12-pt. mutant complex with arylbenzamide LRRK2 inhibitormonomer4-270
95.4A0Q;
Crystal structure of CHK1-10pt-mutant complex with compound 44monomer5-271
96.17U0K;CL;
Crystal structure of CHK1-10pt-mutant complex with compound 45monomer5-271
96.17U0T;CL;
Structure of CHK1 10-pt. mutant complex with aminopyrimido-benzodiazepinone LRRK2 inhibitormonomer4-270
96.154K4;
Crystal structure of CHK1-10pt-mutant complex with compound 13monomer5-271
96.11TWK;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer4-270
100.04YM;EDO;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer4-270
100.04UB;EDO;
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 15monomer4-270
96.17BXI;
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-272
100.03B3;
X-ray crystal structure of compound 1 bound to human CHK1 kinase domainmonomer7-272
100.009H;
Crystal structure of CHK1-10pt-mutant complex with compound 18monomer5-270
96.11TWH;
Novel kinase profile highlights the temporal basis of context dependent checkpoint pathways to cell…monomer6-271
100.05BE;
Structure of CHK1 12-pt. mutant complex with aminopyrimido-benzodiazepinone LRRK2 inhibitormonomer5-270
95.334K4;CL;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer6-271
100.0DFW;
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-271
100.03C3;
Crystal structure of CHK1-10pt-mutant complex with compound 10monomer5-270
96.09TW2;
Identification of chemically diverse Chk1 inhibitors by receptor- based virtual screeningmonomer6-271
100.03A3;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-271
100.0YM7;EDO;
Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verif…monomer6-270
100.0DBQ;SO3;
Identification of Novel, in vivo Active Chk1 Inhibitors Utilizing Structure Guided Drug Designmonomer6-270
100.05CV;SO4;
Crystal structure of CHK1 complex with compound 9monomer7-271
100.0TVW;
Identification of a buried pocket for potent and selective inhibition of Chk1: prediction and verif…monomer6-270
100.0ABO;
Crystal structure of CHK1 complex with adeninemonomer7-271
100.0ADE;SO4;
Structure of LRRK2-CHK1 10-pt. mutant complex with heteroaryl-1H-indazole LRRK2 inhibitor 14monomer8-271
96.12UUF;
Structure of Compound 13 bound to the CHK1 10-point mutantmonomer8-271
96.12ZXP;
Crystal structure of chk1 kinase in complex with inhibitor 38monomer7-270
100.038M;SO4;
Crystal structure of CHK1-10pt-mutant complex with compound 32monomer8-271
96.11U0N;CL;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
100.0ZYV;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
100.0YM6;EDO;
Structure of CHK1 8-pt. mutant complex with arylbenzamide LRRK2 inhibitormonomer8-271
96.91A0Q;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
100.0XEZ;EDO;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
100.0ZYR;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-270
100.0ZYS;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer6-269
100.0YVQ;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
100.0YM3;EDO;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
100.0YM5;EDO;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
100.0YM8;EDO;
Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand …monomer7-269
100.0DFY;
Structure of CHK1 10-pt. mutant complex with LRRK2 inhibitor 24monomer9-271
96.09BYL;
Crystal structure of CHK1-10pt-mutant complex with compound 26monomer8-270
96.08U0Q;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-269
100.0ZYW;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-269
100.0ZY6;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer7-269
100.0ZYQ;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer8-270
100.0ZYT;
Discovery of Checkpoint Kinase Inhibitor AZD7762 by Structure Based Design and Optimization of Thio…monomer8-269
100.0YDJ;PO4;
Discovery of a Novel Class of triazolones as Checkpoint Kinase Inhibitors - Hit to Lead Explorationmonomer9-270
100.0X8E;SO4;
Crystal structure of checkpoint kinase 1 (Chk1) in complex with inhibitorsmonomer9-270
100.0ZYU;
CHK1 KINASE IN COMPLEX WITH COMPOUND 44monomer9-269
100.0D58;SO4;
Crystal structure of the KA1 domain from human Chk1monomer377-468
100ACT;GOL;

2 SWISS-MODEL models

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

6 SWISS-MODEL models built on isoform sequence

IsoformTemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 22qhm.1.Amonomer0.823-186
99.53
Isoform 26c9h.1.Amonomer0.586-368
23.56
Isoform 32hxq.1.Amonomer0.852-276
373;100.00
Isoform 36c9d.1.Amonomer0.603-429
27.81
Isoform 36c9h.1.Amonomer0.585-429
25.85
Isoform 37jhg.1.Amonomer0.516-429
25.92