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NFX1 NFX1 SOX6 SOX6 POLD1 POLD1 RPA1 RPA1 PURB PURB MYH7B MYH7B RPA2 RPA2 RFC3 RFC3 RPA4 RPA4 RPA3 RPA3 PURA PURA
"PURB" - purine-rich element binding protein B in Homo sapiens
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protein of unknown 3D structure
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second shell of interactors
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Predicted Interactions
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PURBpurine-rich element binding protein B; Has capacity to bind repeated elements in single- stranded DNA such as the purine-rich single strand of the PUR element located upstream of the MYC gene. Plays a role in the control of vascular smooth muscle (VSM) alpha-actin gene transcription as repressor in myoblasts and fibroblasts. Participates in transcriptional and translational regulation of alpha-MHC expression in cardiac myocytes by binding to the purine- rich negative regulatory (PNR) element. Modulates constitutive liver galectin-3 gene transcription by binding to its promoter. May pla [...] (312 aa)    
Predicted Functional Partners:
PURA
purine-rich element binding protein A; This is a probable transcription activator that specifically binds the purine-rich single strand of the PUR element located upstream of the MYC gene. May play a role in the initiation of DNA replication and in recombination (322 aa)
        score_image score_image score_image score_image 0.997
RFC3
replication factor C (activator 1) 3, 38kDa; The elongation of primed DNA templates by DNA polymerase delta and epsilon requires the action of the accessory proteins proliferating cell nuclear antigen (PCNA) and activator 1 (356 aa)
        score_image       0.988
NFX1
nuclear transcription factor, X-box binding 1; Binds to the X-box motif of MHC class II genes and represses their expression. May play an important role in regulating the duration of an inflammatory response by limiting the period in which MHC class II molecules are induced by interferon-gamma. Isoform 3 binds to the X-box motif of TERT promoter and represses its expression. Together with PABPC1 or PABPC4, isoform 1 acts as a coactivator for TERT expression. Mediates E2-dependent ubiquitination (1120 aa)
            score_image   0.832
MYH7B
myosin, heavy chain 7B, cardiac muscle, beta; Involved in muscle contraction (1983 aa)
            score_image   0.758
SOX6
SRY (sex determining region Y)-box 6; Transcriptional activator. Binds specifically to the DNA sequence 5’-AACAAT-3’. Plays a key role in several developmental processes, including neurogenesis and skeleton formation (808 aa)
            score_image   0.751
RPA1
replication protein A1, 70kDa; Plays an essential role in several cellular processes in DNA metabolism including replication, recombination and DNA repair. Binds and subsequently stabilizes single-stranded DNA intermediates and thus prevents complementary DNA from reannealing (616 aa)
        score_image score_image score_image   0.738
RPA2
replication protein A2, 32kDa; Required for DNA recombination, repair and replication. The activity of RP-A is mediated by single-stranded DNA binding and protein interactions. Required for the efficient recruitment of the DNA double-strand break repair factor RAD51 to chromatin in response to DNA damage (270 aa)
        score_image score_image score_image   0.737
RPA3
replication protein A3, 14kDa; Required for DNA recombination, repair and replication. The activity of RP-A is mediated by single-stranded DNA binding and protein interactions (121 aa)
        score_image score_image     0.735
RPA4
replication protein A4, 30kDa; Functions as component of the alternative replication protein A complex (aRPA). aRPA binds single-stranded DNA and probably plays a role in DNA repair; it does not support chromosomal DNA replication and cell cycle progression through S- phase. In vitro, aRPA cannot promote efficient priming by DNA polymerase alpha but supports DNA polymerase delta synthesis in the presence of PCNA and replication factor C (RFC), the dual incision/excision reaction of nucleotide excision repair and RAD51-dependent strand exchange (261 aa)
          score_image     0.720
POLD1
polymerase (DNA directed), delta 1, catalytic subunit; Possesses two enzymatic activities- DNA synthesis (polymerase) and an exonucleolytic activity that degrades single stranded DNA in the 3’- to 5’-direction. Required with its accessory proteins (proliferating cell nuclear antigen (PCNA) and replication factor C (RFC) or activator 1) for leading strand synthesis. Also involved in completing Okazaki fragments initiated by the DNA polymerase alpha/primase complex (1107 aa)
        score_image       0.644
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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