1. Gene
  2. CHEK1 - checkpoint kinase 1 Gene

CHEK1 - checkpoint kinase 1 Gene

Homo sapiens

Also known as CHK1

Gene ID: 1111 | Gene type: protein coding

About CHEK1

Cytogenetic location: 11q24.2 Genomic coordinates (GRCh38): 11:125,625,136-125,681,124 (from NCBI)

This gene has 15 transcripts (splice variants) and 178 orthologues. Broad expression in bone marrow (RPKM 4.6), lymph node (RPKM 3.5) and 23 other tissues.

Summary

The protein encoded by this gene belongs to the Ser/Thr protein kinase family. It is required for checkpoint mediated cell cycle arrest in response to DNA damage or the presence of unreplicated DNA. This protein acts to integrate signals from ATM and ATR, two cell cycle proteins involved in DNA damage responses, that also associate with chromatin in meiotic prophase I. Phosphorylation of CDC25A protein Phosphatase by this protein is required for cells to delay cell cycle progression in response to double-strand DNA breaks. Several alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Oct 2011]

CHEK1 Products(14)

mRNA Protein Name
NM_001114122.3 NP_001107594.1 serine/threonine-protein kinase Chk1 isoform 1
NM_001330427.2 NP_001317356.2 serine/threonine-protein kinase Chk1 isoform 3
NR_045204.1
XM_024448337.2 XP_024304105.1 serine/threonine-protein kinase Chk1 isoform X2
NM_001244846.1 NP_001231775.1 serine/threonine-protein kinase Chk1 isoform 2
XM_047426312.1 XP_047282268.1 serine/threonine-protein kinase Chk1 isoform X3
XR_007062447.1
NM_001274.5 NP_001265.2 serine/threonine-protein kinase Chk1 isoform 1
NM_001114121.2 NP_001107593.1 serine/threonine-protein kinase Chk1 isoform 1
XM_011542560.3 XP_011540862.1 serine/threonine-protein kinase Chk1 isoform X1
NM_001330428.1 NP_001317357.1 serine/threonine-protein kinase Chk1 isoform 4
XM_047426311.1 XP_047282267.1 serine/threonine-protein kinase Chk1 isoform X2
XM_047426313.1 XP_047282269.1 serine/threonine-protein kinase Chk1 isoform X4
NR_045205.1

CHEK1 Protein Structure

Pkinase

Pkinase: Protein kinase domain (10 - 264)

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  • 476 a.a.
Protein Preferred Names Protein Names

serine/threonine-protein kinase Chk1

CHK1 checkpoint homolog

Checkpoint, S. pombe, homolog of, 1

Chk1-S

cell cycle checkpoint kinase

Recombinant CHEK1 Proteins

Cat. No. Product Name Accession Purity
HY-P75672 Chk1 Protein, Human (sf9, GST) AAM78553.1 (M1-T476) ≥95%

Related Diseases

Diseases Alias
Ovarian Clear Cell Adenocarcinoma
Seckel Syndrome 4

SCKL4

Seckel Syndrome, Type 4

Microcephaly 18, Primary, Autosomal Dominant

MCPH18

Primary Autosomal Dominant Microcephaly 18

Seckel Syndrome 1

SCKL1

Nanocephalic Dwarfism

Microcephalic Primordial Dwarfism I

Seckel-Type Dwarfism

Bird-Headed Dwarfism

Sckl

Seckel Syndrome, Type 1

Seckel Syndrome

Microcephaly

Microencephaly

Microcephalus

Microcephalic

Nanocephaly

Congenital Microcephaly

Brain Hypoplasia

Brain Nondevelopment

Cephalic Hypoplasia

Undeveloped Cerebrum

Undeveloped Brain

Micrencephalon

Micrencephaly

Leukemia, Acute Myeloid

Acute Myeloid Leukemia

Leukemia, Acute Myelogenous

Acute Myelogenous Leukemia

AML

Leukemia, Acute Myeloid, Susceptibility To

Acute Myeloblastic Leukemia

Leukemia, Acute Myeloid, Reduced Survival In, Somatic

Acute Myeloid Leukaemia

Leukemia, Myelocytic, Acute

Therapy Related Acute Myeloid Leukemia And Myelodysplastic Syndrome

Secondary Aml

Acute Myelocytic Leukemia

Leukemia, Myeloid, Acute

Acute Myeloid Leukemia, Somatic

Leukemia, Acute Myeloid, Somatic

Myeloid Leukemia, Acute, M4/M4eo Subtype, Somatic

Acute Myeloblastic Leukaemia

Acute Myelogenous Leukaemia

Aml - Acute Myeloid Leukemia

Acute Myeloid Leukemia With Cebpa Somatic Mutations

Aml With Cebpa Somatic Mutations

Inherited Acute Myeloid Leukemia

Familial Aml

Inherited Aml

Pure Familial Aml

Pure Familial Acute Myeloid Leukemia

Secondary Acute Myeloid Leukemia

Therapy-Related Aml And Myelodysplastic Syndrome

Acute Myeloid Leukemia, Secondary

Acute Non-Lymphoblastic Leukemia

Acute Non-Lymphocytic Leukemia

Acute Biphenotypic Leukemia

Acute Undifferentiated Leukemia

Acute Myeloblastic Leukaemia With Multilineage Dysplasia

Acute Myeloid Leukaemia With Multilineage Dysplasia Without Mention Of Remission

Acute Myeloid Leukaemia With Myelodysplasia-Related Features

Cerebellar Disease

Cerebellar Diseases

Cerebellar Dysfunction

Cerebellar Abnormality

Cerebellar Disorders

Autosomal Recessive Cerebellar Ataxia

Arca

Xeroderma Pigmentosum, Variant Type

Xeroderma Pigmentosum

XPV

Xeroderma Pigmentosum Variant Type

Xeroderma Pigmentosum With Normal Dna Repair Rates

Photosensitivity With Defective Dna Synthesis

De Sanctis-Cacchione Syndrome

Xp

Desanctis-Cacchione Syndrome

Xeroderma Pigmentosa

Xerodermic Idiocy

Xeroderma Pigmentosum Variant

Xp - [Xeroderma Pigmentosum]

Atrophoderma Pigmentosum

Nijmegen Breakage Syndrome

Berlin Breakage Syndrome

NBS

Microcephaly, Normal Intelligence And Immunodeficiency

Ataxia-Telangiectasia Variant

Ataxia-Telangiectasia Variant V1

Seemanova Syndrome Ii

Immunodeficiency-Microcephaly-Chromosomal Instability Syndrome

Seemanova Syndrome Type 2

At-V1

Microcephaly With Normal Intelligence, Immunodeficiency, And Lymphoreticular Malignancies

Nonsyndromal Microcephaly, Autosomal Recessive, With Normal Intelligence

Immunodeficiency, Microcephaly, And Chromosomal Instability

Microcephaly-Immunodeficiency-Lymphoreticuloma Syndrome

Microcephaly Immunodeficiency Lymphoreticuloma

Microcephaly With Normal Intelligence Immunodeficiency And Lymphoreticular Malignancies

Nonsyndromal Microcephaly Autosomal Recessive With Normal Intelligence

Seemanova Syndrome 2

Ataxia-Telangiectasia Variant 1

Seemanova Syndrome

At V1

Ataxia-Telangiectasia, Variant 1

Microcephaly-Immunodeficiency-Lymphoid Malignancy Syndrome

V-At

Ataxia Telangiectasia Variant V1

Colorectal Cancer

Colon Cancer

Colorectal Carcinoma

Colon Carcinoma

Colorectal Cancer, Susceptibility To

Carcinoma Of Colon

CRC

Colorectal Cancer With Chromosomal Instability, Somatic

Colon Cancer, Somatic

Colon Cancer, Susceptibility To

Colonic Neoplasms

Colorectal Neoplasms

Colorectal Cancer, Somatic

Colon Cancer, Advanced, Somatic

Colonic Carcinoma

Colorectal Carcinomas

Colon Cancers

Colorectal Cancers

Cancer, Colorectal, Somatic

Cancer, Colon

Cancer, Colorectal, Susceptibility To

Colorectal Neoplasm

Colonic Neoplasm

Malignant Tumor Of Colon

Retinoblastoma

RB

Trilateral Retinoblastoma

RB1

Retinoblastoma, Trilateral

Neuroblastoma Of Retina

Rb - Retinoblastoma

Eye Cancer, Retinoblastoma

Retinal Cancer

Retinal Tumor

Glioma, Retinal

Non-Hereditary Retinoblastoma

Childhood Cancer Retinoblastoma

Malignant Neoplasm Of Retina

Retinal Neoplasms

Breast Cancer

Breast Carcinoma

Breast Cancer, Familial

Malignant Neoplasm Of Breast

Male Breast Cancer

Breast Cancer, Susceptibility To

Breast Cancer, Early-Onset

Malignant Tumor Of Breast

Carcinoma Of Male Breast

Breast Cancer, Invasive Ductal

Breast Cancer, Protection Against

Breast Cancer, Somatic

Breast Cancer, Male

Breast Cancer, Lobular, Somatic

Breast Tumor

Mammary Cancer

Mammary Tumor

Malignant Neoplasm Of Male Breast

Mammary Carcinoma

Male Breast Carcinoma

Familial Cancer Of Breast

Invasive Ductal Breast Carcinoma

Breast Cancer Susceptibility

Breast Cancer, Male, Susceptibility To

Breast Cancer, Early-Onset, Susceptibility To

Malignant Tumor Of The Breast

Mammary Neoplasm

Primary Breast Cancer

Neoplasm Of Male Breast

Carcinoma Of Breast

Breast Cancer In Men

Familial Breast Cancer

Cancer Of Breast

BC

Breast Cancer Familial

Breast Cancer Familial Male

Breast Cancer, Familial Male

Breast Male Carcinoma

Breast Neoplasms

Breast Neoplasms, Male

Mammary Tumors

Mammary Carcinomas

Cancer, Breast

Cancer, Breast, Susceptibility

Invasive Breast Ductal Carcinoma

Breast Neoplasm

Susceptibility To Breast Cancer

Mammary Neoplasms

Animal Mammary Neoplasms

Primary Malignant Neoplasm Of Breast

Infiltrating Ductal Carcinoma Of Breast

Infiltrating Duct Carcinoma Of Unspecified Site

Infiltrating Ductular Carcinoma Of Unspecified Site

Invasive Breast Carcinoma Of No Special Type

Microinvasive Carcinoma Of Breast

Carcinoma With Apocrine Differentiation

Nervous System Disease

Abnormality Of The Nervous System

Nervous System Diseases

Nervous System Disorder

Medulloblastoma

MDB

Cpnet

Localized Primitive Neuroectodermal Tumor

Classic Medulloblastoma

Desmoplastic/Nodular Medulloblastoma

Medulloblastoma With Extensive Nodularity

Desmoplastic Medulloblastoma

Medulloblastoma, Somatic

Medulloblastoma, Desmoplastic

Brain Medulloblastoma

Cns Pnet

Infratentorial Primitive Neuroectodermal Tumor

Mben

Medulloblastoma Desmoplastic

Neuroectodermal Tumors, Primitive

Medulloblastomas

Medulloblastoma, With Extensive Nodularity

Medulloblastoma Of Unspecified Site

Medullomyoblastoma Of Unspecified Site

Hereditary Ataxia

Sca

Spinocerebellar Ataxia

Ataxias Hereditary

Ataxias, Hereditary

Ovarian Cancer

Ovarian Carcinoma

Ovarian Neoplasm

Malignant Tumour Of Ovary

Epithelial Ovarian Cancer

Neoplasm Of Ovary

Ovarian Neoplasms

Ovarian Cancers

Malignant Neoplasm Of Ovary

Primary Malignant Neoplasm Of Ovary

Ovarian Cancer, Somatic

Malignant Ovarian Tumor

Ovary Neoplasm

Primary Ovarian Cancer

Tumor Of The Ovary

Cancer Of The Ovary

Malignant Neoplasm Of The Ovary

Malignant Tumor Of The Ovary

Ovarian Malignant Tumor

OC

Ovarian Carcinomas

Cancer, Ovarian

Cancer Of Ovary

Ovary Cancer

Ca Ovary

Congenital Nervous System Abnormality

Congenital Neurologic Anomaly

Congenital Nervous System Disorder

Seckel Syndrome

Microcephalic Primordial Dwarfism

Bird-Headed Dwarfism

Harper'S Syndrome

Virchow-Seckel Dwarfism

Nanocephalic Dwarfism

Sckl

Seckel-Type Dwarfism

Primary Autosomal Recessive Microcephaly

Autosomal Recessive Primary Microcephaly

Mcph

True Microcephaly

Microcephalia Vera

Microcephaly Vera

Microcephaly Primary Hereditary

Microcephaly, Primary, Autosomal Recessive

Primary Microcephaly

Fanconi Anemia, Complementation Group A

Fanconi Anemia

Fanconi Pancytopenia

Fanconi Anemia Complementation Group A

FANCA

Fa

Fanconi Panmyelopathy

Fanconi'S Anemia

Fanconi Anaemia

Fanconi'S Anaemia

Fanconi Hypoplastic Anemia

Estren-Dameshek Variant Of Fanconi Anemia

Estren-Dameshek Variant Of Fanconi Pancytopenia

Fanconi Anemia Estren-Dameshek Variant

Fanconis Anemia

Dyskeratosis Congenita

Dyskeratosis Congenita Autosomal Dominant

Dc

Dkc

Zinsser-Engman-Cole Syndrome

Dyskeratosis Congenita, Autosomal Dominant

Autosomal Dominant Dyskeratosis Congenita

Dkca

Dyskeratosis Congenita Scoggins Type

Zinsser-Cole-Engman Syndrome

X-Linked Dyskeratosis Congenita

Hoyeraal-Hreidarsson Syndrome

Primary Microcephaly

True Microcephaly

Microcephaly, Primary

Li-Fraumeni Syndrome

Sarcoma Family Syndrome Of Li And Fraumeni

Sbla Syndrome

LFS

Li-Fraumeni Familiar Cancer Susceptibility Syndrome

Sarcoma, Breast, Leukaemia And Adrenal Gland Syndrome

Lfs1

Li Fraumeni Syndrome

Sarcoma, Breast, Leukemia, And Adrenal Gland Syndrome

Lfl

Sbla Syndrome Li-Fraumeni-Like Syndrome

Li-Fraumeni Syndrome 1

Aplastic Anemia

Aplastic Anemia, Susceptibility To

Anemia Aplastic

Idiopathic Aplastic Anemia

Secondary Aplastic Anemia

Idiopathic Bone Marrow Failure

Aplastic Anemia Idiopathic

AA

Anemia, Aplastic

Aplastic Anemia, Idiopathic

Erythroid Aplasia

Aa - [Aplastic Anaemia]

Haematopoietic Aplasia

Aleukia Haemorrhagica

Anaemia Due To Decreased Red Cell Production

Aplasia Bone Marrow

Aplastic Bone Marrow

Hypoplastic Anaemia Nos

Myeloid Bone Marrow Aplasia

Pancytopenia

Panhaematopenia

Hypoproliferative Anaemia

Medullary Hypoplasia

Red Blood Cells Hypoplastic Anaemia

Panmyelophthisis

Panhemocytopenia

Refractive Hypoproliferative Anaemia

Toxic Anaemia

Toxic Aplastic Anaemia

Aplastic Anaemia Due To Toxic Cause

Idiopathic Aplastic Anaemia Nos

Ataxia-Telangiectasia

Ataxia Telangiectasia

Louis-Bar Syndrome

AT

At1

Ataxia-Telangiectasia Syndrome

Ataxia - Telangiectasia Variant

Boder-Sedgwick Syndrome

Louis Bar Syndrome

Cerebello-Oculocutaneous Telangiectasia

Immunodeficiency With Ataxia Telangiectasia

A-T

Ataxia Telangiectasia Syndrome

Atm

Telangiectasia, Cerebello-Oculocutaneous

Ataxia-Telangiectasia Variant

Esophageal Cancer

Esophageal Carcinoma

Carcinoma Of Esophagus

Esophageal Squamous Cell Carcinoma, Somatic

Esophageal Carcinoma, Somatic

Esophagus Cancer

Gastric Cardia Adenocarcinoma

Esophageal Neoplasms

Esophageal Cancer, Somatic

Cancer Of Esophagus

Cancer Of Oesophagus

Carcinoma Of Oesophagus

Ca Lower Third Oesophagus

Ca Middle Third Oesophagus

Malignant Neoplasm Of Distal Third Of Esophagus

Malignant Neoplasm Of Lower Third Of Oesophagus

Malignant Neoplasm Of Middle Third Of Oesophagus

Malignant Neoplasm Of Proximal Third Of Esophagus

Malignant Neoplasm Of Upper Third Esophagus

Malignant Tumor Of Abdominal Esophagus

Malignant Tumor Of Distal Third Of Esophagus

Malignant Tumor Of Proximal Third Of Esophagus

Malignant Tumor Of The Middle Third Of The Esophagus

ESCR

Aerodigestive Tract Cancer

Escc

Esophageal Squamous Cell Carcinoma

Cancer, Esophageal

Malignant Neoplasm Of Esophagus

Squamous Cell Carcinoma Of Esophagus

Malignant Neoplasm Of Middle Third Of Esophagus

Hereditary Breast Ovarian Cancer Syndrome

Hereditary Breast And Ovarian Cancer Syndrome

Brca1- And Brca2-Associated Hereditary Breast And Ovarian Cancer

Breast And/Or Ovarian Cancer

Breast And Ovarian Cancer Syndrome

Hboc Syndrome

Hereditary Breast And Ovarian Cancer

Brca1- Brca2-Associated Hboc

Lynch Syndrome

Hereditary Nonpolyposis Colon Cancer

Hereditary Nonpolyposis Colorectal Cancer

Hereditary Nonpolyposis Colorectal Carcinoma

Hereditary Nonpolyposis Colorectal Neoplasms

Familial Nonpolyposis Colon Cancer

Hnpcc

Coca 1

Hereditary Defective Mismatch Repair Syndrome

Hereditary Non-Polyposis Colon Cancer

Hereditary Non-Polyposis Colon Cancer Syndrome

Hereditary Non-Polyposis Colorectal Cancer

Hereditary Non-Polyposis Colorectal Cancer Syndrome

Hereditary Nonpolyposis Colon Cancer Syndrome

Hereditary Nonpolyposis Colorectal Cancer Syndrome

Hereditary Nonpolyposis Colorectal Neoplasm

Hnpcc - Hereditary Nonpolyposis Colon Cancer

Cancer Family Syndrome

Familial Nonpolyposis Colorectal Cancer

Colon Cancer, Familial Nonpolyposis

Colorectal Neoplasms, Hereditary Nonpolyposis

Cancer, Colorectal, Nonpolyposis, Hereditary

Colorectal Cancer, Hereditary Nonpolyposis, Type 1

Neuroblastoma

Nb

Neuroblastoma, Susceptibility To

Neuroblastomas

Central Neuroblastoma

Spinal Ependymoma, Mycn
Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Rattus norvegicus CHEK1 RGD RGD:620545
Mus musculus CHEK1 MGD MGI:1202065
Felis catus CHEK1 VGNC VGNC:81997
Bos taurus CHEK1 VGNC VGNC:50058
Canis familiaris CHEK1 VGNC VGNC:53319
Others CHEK1 NCBI