Gene Gene information from NCBI Gene database.
Entrez ID 5422
Gene name DNA polymerase alpha 1, catalytic subunit
Gene symbol POLA1
Synonyms (NCBI Gene)
NSXPDRPOLAVEODSp180
Chromosome X
Chromosome location Xp22.11-p21.3
Summary This gene encodes the catalytic subunit of DNA polymerase, which together with a regulatory and two primase subunits, forms the DNA polymerase alpha complex. The catalytic subunit plays an essential role in the initiation of DNA replication. [provided by
SNPs SNP information provided by dbSNP.
7
SNP ID Visualize variation Clinical significance Consequence
rs774419889 G>A Likely-pathogenic Coding sequence variant, missense variant, non coding transcript variant
rs869312979 A>G Pathogenic Intron variant
rs1569271378 T>G Pathogenic Coding sequence variant, missense variant, non coding transcript variant, intron variant
rs1569271892 G>A Pathogenic Coding sequence variant, non coding transcript variant, 5 prime UTR variant, missense variant
rs1569277866 AAAGCTGTAGACTTGTCCAAGGATGGTCTGCTAGGTGACATTCTACAGGATCTTAACACTGAG>- Pathogenic Coding sequence variant, splice acceptor variant, non coding transcript variant
miRNA miRNA information provided by mirtarbase database.
43
miRTarBase ID miRNA Experiments Reference
MIRT016282 hsa-miR-193b-3p Microarray 20304954
MIRT022295 hsa-miR-124-3p Microarray 18668037
MIRT028969 hsa-miR-26b-5p Microarray 19088304
MIRT717111 hsa-miR-6882-3p HITS-CLIP 19536157
MIRT717110 hsa-miR-6885-3p HITS-CLIP 19536157
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
55
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IDA 3139084
GO:0000166 Function Nucleotide binding IEA
GO:0000731 Process DNA synthesis involved in DNA repair IMP 11470886
GO:0000785 Component Chromatin IDA 9815285
GO:0003676 Function Nucleic acid binding IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
312040 9173 ENSG00000101868
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P09884
Protein name DNA polymerase alpha catalytic subunit (EC 2.7.7.7) (DNA polymerase alpha catalytic subunit p180)
Protein function Catalytic subunit of the DNA polymerase alpha complex (also known as the alpha DNA polymerase-primase complex) which plays an essential role in the initiation of DNA synthesis. During the S phase of the cell cycle, the DNA polymerase alpha compl
PDB 1K0P , 1K18 , 1N5G , 4Q5V , 4QCL , 4Y97 , 5EXR , 5IUD , 6AS7 , 7N2M , 7OPL , 7U5C , 8B9D , 8D0B , 8D0K , 8D96 , 8D9D , 8QJ7 , 8VY3 , 9C8V , 9MJ5
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF12254 DNA_pol_alpha_N 35 96 DNA polymerase alpha subunit p180 N terminal Family
PF03104 DNA_pol_B_exo1 369 711 DNA polymerase family B, exonuclease domain Family
PF00136 DNA_pol_B 774 1227 DNA polymerase family B Family
PF08996 zf-DNA_Pol 1265 1455 DNA Polymerase alpha zinc finger Domain
Sequence
MAPVHGDDSLSDSGSFVSSRARREKKSKKGRQEALERLKKAKAGEKYKYEVEDFTGVYEE
VDEEQYSKLVQARQDDDWIVDDDGIGYVEDGREIFD
DDLEDDALDADEKGKDGKARNKDK
RNVKKLAVTKPNNIKSMFIACAGKKTADKAVDLSKDGLLGDILQDLNTETPQITPPPVMI
LKKKRSIGASPNPFSVHTATAVPSGKIASPVSRKEPPLTPVPLKRAEFAGDDVQVESTEE
EQESGAMEFEDGDFDEPMEVEEVDLEPMAAKAWDKESEPAEEVKQEADSGKGTVSYLGSF
LPDVSCWDIDQEGDSSFSVQEVQVDSSHLPLVKGADEEQVFHFYWLDAYEDQYNQPGVVF
LFGKVWIESAETHVSCCVMVKNIERTLYFLPREMKIDLNTGKETGTPISMKDVYEEFDEK
IATKYKIMKFKSKPVEKNYAFEIPDVPEKSEYLEVKYSAEMPQLPQDLKGETFSHVFGTN
TSSLELFLMNRKIKGPCWLEVKSPQLLNQPVSWCKVEAMALKPDLVNVIKDVSPPPLVVM
AFSMKTMQNAKNHQNEIIAMAALVHHSFALDKAAPKPPFQSHFCVVSKPKDCIFPYAFKE
VIEKKNVKVEVAATERTLLGFFLAKVHKIDPDIIVGHNIYGFELEVLLQRINVCKAPHWS
KIGRLKRSNMPKLGGRSGFGERNATCGRMICDVEISAKELIRCKSYHLSEL
VQQILKTER
VVIPMENIQNMYSESSQLLYLLEHTWKDAKFILQIMCELNVLPLALQITNIAGNIMSRTL
MGGRSERNEFLLLHAFYENNYIVPDKQIFRKPQQKLGDEDEEIDGDTNKYKKGRKKAAYA
GGLVLDPKVGFYDKFILLLDFNSLYPSIIQEFNICFTTVQRVASEAQKVTEDGEQEQIPE
LPDPSLEMGILPREIRKLVERRKQVKQLMKQQDLNPDLILQYDIRQKALKLTANSMYGCL
GFSYSRFYAKPLAALVTYKGREILMHTKEMVQKMNLEVIYGDTDSIMINTNSTNLEEVFK
LGNKVKSEVNKLYKLLEIDIDGVFKSLLLLKKKKYAALVVEPTSDGNYVTKQELKGLDIV
RRDWCDLAKDTGNFVIGQILSDQSRDTIVENIQKRLIEIGENVLNGSVPVSQFEINKALT
KDPQDYPDKKSLPHVHVALWINSQGGRKVKAGDTVSYVICQDGSNLTASQRAYAPEQLQK
QDNLTIDTQYYLAQQIHPVVARICEPI
DGIDAVLIATWLGLDPTQFRVHHYHKDEENDAL
LGGPAQLTDEEKYRDCERFKCPCPTCGTENIYDNVFDGSGTDMEPSLYRCSNIDCKASPL
TFTVQLSNKLIMDIRRFIKKYYDGWLICEEPTCRNRTRHLPLQFSRTGPLCPACMKATLQ
PEYSDKSLYTQLCFYRYIFDAECALEKLTTDHEKDKLKKQFFTPKVLQDYRKLKNTAEQF
LSRSGYSEVNLSKLF
AGCAVKS
Sequence length 1462
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  DNA replication   Inhibition of replication initiation of damaged DNA by RB1/E2F1
Polymerase switching on the C-strand of the telomere
Telomere C-strand synthesis initiation
DNA replication initiation
Activation of the pre-replicative complex
Polymerase switching
Removal of the Flap Intermediate
Processive synthesis on the lagging strand
G1/S-Specific Transcription
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
17
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Inherited aplastic anemia Likely pathogenic rs2518817148, rs2518693616, rs1930638172 RCV003991543
RCV003991549
RCV003991550
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Thyroid cancer, nonmedullary, 1 Pathogenic rs1569271892 RCV005897367
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
X-linked intellectual disability, van Esch type Pathogenic; Likely pathogenic rs2148341850, rs1569271378, rs1569271892, rs1569350993, rs1569277866, rs1569277899, rs774419889 RCV001786494
RCV000791329
RCV000791333
RCV000791330
RCV000791332
View all (2 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
X-linked reticulate pigmentary disorder Pathogenic rs869312979 RCV000210684
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Agammaglobulinemia Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cholangiocarcinoma Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Congenital heart disease Benign; Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Gastric cancer Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma of pancreas Pancreatic adenocarcinoma BEFREE 11459271
★☆☆☆☆
Found in Text Mining only
Adenoma Adenoma BEFREE 29417332, 29776746
★☆☆☆☆
Found in Text Mining only
alpha-Thalassemia alpha Thalassemia BEFREE 31693295
★☆☆☆☆
Found in Text Mining only
alpha^+^ Thalassemia alpha Thalassemia BEFREE 31693295
★☆☆☆☆
Found in Text Mining only
Amyloidosis Amyloidosis BEFREE 29505099
★☆☆☆☆
Found in Text Mining only
Amyloidosis Amyloidosis HPO_DG
★☆☆☆☆
Found in Text Mining only
Anaplastic Oligodendroglioma Anaplastic Oligodendroglioma BEFREE 30018130, 31832685
★☆☆☆☆
Found in Text Mining only
Atrial Septal Defects Atrial Septal Defect HPO_DG
★☆☆☆☆
Found in Text Mining only
Autistic behavior Autism HPO_DG
★☆☆☆☆
Found in Text Mining only
Autoinflammatory disorder Autoinflammatory Disease GENOMICS_ENGLAND_DG 27019227
★☆☆☆☆
Found in Text Mining only