Protein name:
DNA polymerase alpha catalytic subunit ;
Alternative:
DNA polymerase alpha catalytic subunit p180 ;
Organism:
Human (Homo sapiens).
General Annotation
Sub Unit:
The DNA polymerase alpha complex is composed of four subunits: the catalytic subunit POLA1, the regulatory subunit POLA2, and the small and the large primase subunits PRIM1 and PRIM2 respectively. Interacts with PARP1; this interaction functions as part of the control of replication fork progression. Interacts with MCM10 and WDHD1; these interactions recruit the polymerase alpha complex to the pre-replicative complex bound to DNA. Interacts with RPA1; this interaction stabilizes the replicative complex and reduces the misincorporation rate of DNA polymerase alpha by acting as a fidelity clamp. Interacts with SV40 Large T antigen; this interaction allows viral DNA replication. Interacts with herpes simplex virus 1 (HHV-1) replication origin-binding protein UL9.
Function:
Plays an essential role in the initiation of DNA replication. During the S phase of the cell cycle, the DNA polymerase alpha complex (composed of a catalytic subunit POLA1/p180, a regulatory subunit POLA2/p70 and two primase subunits PRIM1/p49 and PRIM2/p58) is recruited to DNA at the replicative forks via direct interactions with MCM10 and WDHD1. The primase subunit of the polymerase alpha complex initiates DNA synthesis by oligomerising short RNA primers on both leading and lagging strands. These primers are initially extended by the polymerase alpha catalytic subunit and subsequently transferred to polymerase delta and polymerase epsilon for processive synthesis on the lagging and leading strand, respectively. The reason this transfer occurs is because the polymerase alpha has limited processivity and lacks intrinsic 3' exonuclease activity for proofreading error, and therefore is not well suited for replicating long complexes.
Subcellular Location:
Nucleus
Protein Attributes:
50:
MAPVHGDDSL | SDSGSFVSSR | ARREKKSKKG | RQEALERLKK | AKAGEKYKYE |
100:
VEDFTGVYEE | VDEEQYSKLV | QARQDDDWIV | DDDGIGYVED | GREIFDDDLE |
150:
DDALDADEKG | KDGKARNKDK | RNVKKLAVTK | PNNIKSMFIA | CAGKKTADKA |
200:
VDLSKDGLLG | DILQDLNTET | PQITPPPVMI | LKKKRSIGAS | PNPFSVHTAT |
250:
AVPSGKIASP | VSRKEPPLTP | VPLKRAEFAG | DDVQVESTEE | EQESGAMEFE |
300:
DGDFDEPMEV | EEVDLEPMAA | KAWDKESEPA | EEVKQEADSG | KGTVSYLGSF |
350:
LPDVSCWDID | QEGDSSFSVQ | EVQVDSSHLP | LVKGADEEQV | FHFYWLDAYE |
400:
DQYNQPGVVF | LFGKVWIESA | ETHVSCCVMV | KNIERTLYFL | PREMKIDLNT |
450:
GKETGTPISM | KDVYEEFDEK | IATKYKIMKF | KSKPVEKNYA | FEIPDVPEKS |
500:
EYLEVKYSAE | MPQLPQDLKG | ETFSHVFGTN | TSSLELFLMN | RKIKGPCWLE |
550:
VKSPQLLNQP | VSWCKVEAMA | LKPDLVNVIK | DVSPPPLVVM | AFSMKTMQNA |
600:
KNHQNEIIAM | AALVHHSFAL | DKAAPKPPFQ | SHFCVVSKPK | DCIFPYAFKE |
650:
VIEKKNVKVE | VAATERTLLG | FFLAKVHKID | PDIIVGHNIY | GFELEVLLQR |
700:
INVCKAPHWS | KIGRLKRSNM | PKLGGRSGFG | ERNATCGRMI | CDVEISAKEL |
750:
IRCKSYHLSE | LVQQILKTER | VVIPMENIQN | MYSESSQLLY | LLEHTWKDAK |
800:
FILQIMCELN | VLPLALQITN | IAGNIMSRTL | MGGRSERNEF | LLLHAFYENN |
850:
YIVPDKQIFR | KPQQKLGDED | EEIDGDTNKY | KKGRKKAAYA | GGLVLDPKVG |
900:
FYDKFILLLD | FNSLYPSIIQ | EFNICFTTVQ | RVASEAQKVT | EDGEQEQIPE |
950:
LPDPSLEMGI | LPREIRKLVE | RRKQVKQLMK | QQDLNPDLIL | QYDIRQKALK |
1000:
LTANSMYGCL | GFSYSRFYAK | PLAALVTYKG | REILMHTKEM | VQKMNLEVIY |
1050:
GDTDSIMINT | NSTNLEEVFK | LGNKVKSEVN | KLYKLLEIDI | DGVFKSLLLL |
1100:
KKKKYAALVV | EPTSDGNYVT | KQELKGLDIV | RRDWCDLAKD | TGNFVIGQIL |
1150:
SDQSRDTIVE | NIQKRLIEIG | ENVLNGSVPV | SQFEINKALT | KDPQDYPDKK |
1200:
SLPHVHVALW | INSQGGRKVK | AGDTVSYVIC | QDGSNLTASQ | RAYAPEQLQK |
1250:
QDNLTIDTQY | YLAQQIHPVV | ARICEPIDGI | DAVLIATWLG | LDPTQFRVHH |
1300:
YHKDEENDAL | LGGPAQLTDE | EKYRDCERFK | CPCPTCGTEN | IYDNVFDGSG |
1350:
TDMEPSLYRC | SNIDCKASPL | TFTVQLSNKL | IMDIRRFIKK | YYDGWLICEE |
1400:
PTCRNRTRHL | PLQFSRTGPL | CPACMKATLQ | PEYSDKSLYT | QLCFYRYIFD |
1450:
AECALEKLTT | DHEKDKLKKQ | FFTPKVLQDY | RKLKNTAEQF | LSRSGYSEVN |
Vaild Sequence:
Related Databases
Uniprot:
ELISA Kit
CLIA Kit
Polyclonal Antibody
Monoclonal Antibody
Protein
FOR
Rat
Human
Mouse
ELISA Kit for Human DNA polymerase alpha catalytic subunit
ELISA Kit for Human DNA polymerase alpha catalytic subunit
ELISA Kit for Human DNA polymerase alpha catalytic subunit
CLIA Kit for Human DNA polymerase alpha catalytic subunit
CLIA Kit for Human DNA polymerase alpha catalytic subunit
CLIA Kit for Human DNA polymerase alpha catalytic subunit
Polyclonal Antibody for Human DNA polymerase alpha catalytic subunit
Polyclonal Antibody for Human DNA polymerase alpha catalytic subunit
Polyclonal Antibody for Human DNA polymerase alpha catalytic subunit
Monoclonal Antibody for Human DNA polymerase alpha catalytic subunit
Monoclonal Antibody for Human DNA polymerase alpha catalytic subunit
Monoclonal Antibody for Human DNA polymerase alpha catalytic subunit
Protein for Human DNA polymerase alpha catalytic subunit
Protein for Human DNA polymerase alpha catalytic subunit
Protein for Human DNA polymerase alpha catalytic subunit
R&D Technical Data
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Precision
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Recovery
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Linearity
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References
1.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [MRNA]
2.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [GENOMIC DNA]
3.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-8
4.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : PROTEIN SEQUENCE OF 19-37 AND 1405-1426;PROTEOLYTIC PROCESSING AT LYS-124
5.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH SV40 LARGE T ANTIGEN
6.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH HHV-1 UL9 PROTEIN
7.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH RPA1
8.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : FUNCTION;INTERACTION WITH PARP1
9.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-186; SER-190 AND SER-209;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
tissue :
Cervix carcinoma .
10.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH MCM10
11.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-174 AND SER-186;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
tissue :
Leukemic T-cell .
12.
"Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis."
Olsen J.V.
,
Vermeulen M.
,
Santamaria A.
,
Kumar C.
,
Miller M.L.
,
Jensen L.J.
,
Gnad F.
,
Cox J.
,
Jensen T.S.
,
Nigg E.A.
,
Brunak S.
,
Mann M.
Sci. Signal.3:RA3-RA3(2010)
[
PubMed ]
[
Europe PMC ]
[
Abstract ]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-174; SER-186; SER-190 AND SER-209;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
tissue :
Cervix carcinoma .
13.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
14.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-186 AND SER-209;IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]
15.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : STRUCTURE BY NMR OF 1345-1382