Basic Information

Gene Symbol
Hsf
Assembly
GCA_949752835.1
Location
OX457088.1:503135-508226[+]

Transcription Factor Domain

TF Family
HSF
Domain
HSF_DNA-bind domain
PFAM
PF00447
TF Group
Helix-turn-helix
Description
Heat shock factor (HSF) is a transcriptional activator of heat shock genes [1, 4]: it binds specifically to heat shock promoter elements, which are palindromic sequences rich with repetitive purine and pyrimidine motifs [1]. Under normal conditions, HSF is a homo-trimeric cytoplasmic protein, but heat shock activation results in relocalisation to the nucleus [2]. Each HSF monomer contains one C-terminal and three N-terminal leucine zipper repeats [3]. Point mutations in these regions result in disruption of cellular localisation, rendering the protein constitutively nuclear [2]. Two sequences flanking the N-terminal zippers fit the consensus of a bi- partite nuclear localisation signal (NLS). Interaction between the N- and C-terminal zippers may result in a structure that masks the NLS sequences: following activation of HSF, these may then be unmasked, resulting in relocalisation of the protein to the nucleus [3]. The DNA-binding component of HSF lies to the N terminus of the first NLS region, and is referred to as the HSF domain.
Hmmscan Out
# of c-Evalue i-Evalue score bias hmm coord from hmm coord to ali coord from ali coord to env coord from env coord to acc
1 3 5.7e-37 6e-33 114.1 0.4 1 100 14 113 14 113 0.97
2 3 3 3.2e+04 -4.6 1.5 78 94 348 364 335 370 0.45
3 3 1.4 1.5e+04 -2.7 0.0 56 82 590 617 587 624 0.67

Sequence Information

Coding Sequence
ATGCATACATTTAGTGATAGTGGTTCCGGTGTCCCAGCATTTTTAGCAAAATTATGGCGTTTAGTCGAAGACACggaaacaaataaattaatttattggagtAAAgATGGACGAAGTTTTGTTATTCAAAATCAAGCCCAGTTTGCCCGTGATTTGTTAccattaaattataaacataacAACATGGCCAGCTTTATTCGTCAGTTGAATATGTATGGCTTTCATAAGATTACATCAATTGATAATGGTGGATTAAAATTTGATCGTGATGACATGGAATTTTCTCATCCATATTTTAAGCGTGGCTGTCCATATCTGTTAGAACATATTAAACGTAAAATtgcaaatacaaaaaatgttgaTGATAAAAAtggtattataaaaaatgaatcggtaaataaagttttaaatgaaGTTAAAGTAATGCGAGGTAAACAAGAATCATTGGATTCAAGATTTTCTGTAATGAAACAGGAAAATGAAGCACTTTGGCGAGAAATTGCAACTTTAAGACAAAAACatattaaacaacaacaaatcgttaataaaCTTATACAATTTTTGGTGACAATTGTTCAACCATCTAGAAATATGAGTGGTGTGAAACGACATTTCCAATTAATGATCAATGATGCACCACATTCCTCTAAAATGCGTAAAGCTAGTGAAACTGAATCTGGCCCAATTATACATGAATTAACTGAAGAACTATTAGATGAAGTAGCTGAGGCTGTGGATAAtgatttatttgAATCATCAAGCCCTCCTAATATGACTGGAGGTTTTGAATCACCAAATACTGAACGTCCCCGATCTAATGTATCAAGtgtttcaaatcaaatttatgaCAATTCAAATCAAAGTATCGGTGGTAATGATGAAGTTGgacacaatttaaataattcaccaAAAACTGTTTGCCAAATAAGTGAAATGTCTGAAAATATTGATACAGGTgatgatattaattttattgaagagaaTTGCCTTAATACACCAATGGTAAAGCAAGAAATGGCACGAAATAAACAATTACAGCAACAtttacaacagcaacaacaacaattaaaaaatgagcaaaaacaacaacaacaaagattGCGACGTAAACGACCAGCAACTAATGGAACTGGTAATGTTCTACCAGCAAAAACTCATATTACGACACCAAATGCATCATCAGTTCATATTAAAACTGAAAATGATTTAGATCCATCAATTTTTTTGGATGTTGGTTCACCAAATACATGTACTTCTAATAACACAATAGATCCGGCTTTAATATCGCCCAATAGTAACAGTAGCCAACCAATTCCTTCAACatctacaaaacaaaatatggAACAAACtgataaacatttatataatgcTGGTGATTTTATTATTACTGAATTGCCATCAGATATTTTTGAAgAATCAGGTTCTTTTGCAACAGATATTGATTTAACAAAACTTGGAAATCTATCATCAACAGCCGAGTCAAATGatgaattatatgataaaagTTTAGCAGTAACAAAgtataaaaatcaaaacaatttaTCAAATGATGATATCATACGATTGAATTCATTGGATGACGTAACATCACATATCGATAATTGTGAAAACGATTTGGACAACATAAAGGATTTATTGCGTGGAGAAGGTTATTCACTAGATTCAAATGCATTGATGGGtaatgtCAACAATTCATCCAACCGTTTATATCTATCGTCACCTCTGGATAATGATATATTGACAAAgTTATTTAACGATGCAGATATTTTAAATCCTTATGGCTTATCAAATTTACCAAACGATAATTTTCAAGAAAACAATAAGAaagGTTCTGAACTAATGACTTATCAATCATATTATCCAACGGATTTTTCTGACATACTGGATATGAACAATTATGATGATGAAGCTAATAAAGTAGGCGAATTGCCTGGTTCAATTTTAAATACCCCGCATCCAGAAAGAGAATAA
Protein Sequence
MHTFSDSGSGVPAFLAKLWRLVEDTETNKLIYWSKDGRSFVIQNQAQFARDLLPLNYKHNNMASFIRQLNMYGFHKITSIDNGGLKFDRDDMEFSHPYFKRGCPYLLEHIKRKIANTKNVDDKNGIIKNESVNKVLNEVKVMRGKQESLDSRFSVMKQENEALWREIATLRQKHIKQQQIVNKLIQFLVTIVQPSRNMSGVKRHFQLMINDAPHSSKMRKASETESGPIIHELTEELLDEVAEAVDNDLFESSSPPNMTGGFESPNTERPRSNVSSVSNQIYDNSNQSIGGNDEVGHNLNNSPKTVCQISEMSENIDTGDDINFIEENCLNTPMVKQEMARNKQLQQHLQQQQQQLKNEQKQQQQRLRRKRPATNGTGNVLPAKTHITTPNASSVHIKTENDLDPSIFLDVGSPNTCTSNNTIDPALISPNSNSSQPIPSTSTKQNMEQTDKHLYNAGDFIITELPSDIFEESGSFATDIDLTKLGNLSSTAESNDELYDKSLAVTKYKNQNNLSNDDIIRLNSLDDVTSHIDNCENDLDNIKDLLRGEGYSLDSNALMGNVNNSSNRLYLSSPLDNDILTKLFNDADILNPYGLSNLPNDNFQENNKKGSELMTYQSYYPTDFSDILDMNNYDDEANKVGELPGSILNTPHPERE

Similar Transcription Factors

Sequence clustering based on sequence similarity using MMseqs2

100% Identity
iTF_00643134;
90% Identity
-
80% Identity
-