Transcription Factor

Accessions: UP00383A (UniPROBE 20160601)
Names: hlh-24, REF-1
Organisms: Caenorhabditis elegans
Libraries: UniPROBE 20160601 1
1 Hume MA, Barrera LA, Gisselbrecht SS, Bulyk ML. UniPROBE, update 2015: new tools and content for the online database of protein-binding microarray data on protein-DNA interactions. Nucleic Acids Res : (2015). [Pubmed]
Uniprot: Q22069
Description: REgulator of Fusion: ref-1 encodes a protein with two basic helix-loop-helix (bHLH) domains that is distantly related to the hairy/Enhancer of split subfamily of bHLH transcription factors; REF-1 is required in hermaphrodites during early larval development for regulating the pattern of posterior Pn.p hypodermal cell fusions, primarily through regulation of MAB-5 homeodomain protein activity; REF-1 is also required for head morphogenesis and specification of the V6 lateral seam cell fate; in males, ref-1
Length: 366
Pfam Domains: 16-62 Helix-loop-helix DNA-binding domain
Sequence:
(in bold interface residues)
1 VLISTPPPAYAHNRKTSQEKKRRDEINAKIKELQLLIQNESDNEKMTQGDVLNRAVEVVS 60
61 RMETESPGPSSNPNRKGFFDGFRSIESLTYSFIKSLGVNSDVCQDFVQRAKQFFDRERSS 120
121 LLSTVSGKSKRRSESEILHSSMSYRSQSSSPSTSESGITIDRKEVKKNREQDRRDRQGEA 180
181 FDALKNFIIENKLMTSHQVEKMQRLNTLDIIIAYIQNKKHNFVSRSDQEQSLYAHAIAEG 240
241 KKTAKNIAFQFFKGDRHLVVRCADLEKFFEFSLSPKPLFGFPSMPIPIPPPSFPIFPFRP 300
301 FPFFPMPMAPMATSPKSQQSPSYSLDSPPPSSDTSSSSIETPSTPNENSNSNPKASRKSK 360
361 LFRPWE
Interface Residues: 12, 13, 15, 19, 22, 23, 46, 163, 167, 169, 170, 173
3D-footprint Homologues: 7f2f_B, 4h10_A, 8osl_O, 4h10_B, 8osl_P, 6g1l_A, 1an4_A, 7d8t_A, 7xhv_B, 7xi3_B, 7z5k_B
Binding Motifs: UP00383A_1 wmawgGCACGTGycwwa
Binding Sites: AAAAAATA
AAATAAAA
AACACGTG
ACACGTGC
ACACGTGG
ACACGTGT
ACCACGTG
AGCACGTG
CACACGTG
CACGTGCA
CACGTGCC
CACGTGCG
CACGTGGA
CACGTGGC
CACGTGTA
CACGTGTC
CCACGTGC
CCACGTGG
GCACGTGC
ATAAAAAT
Publications: Grove C.A, De Masi F, Barrasa M.I, Newburger D.E, Alkema M.J, Bulyk M.L, Walhout A.J. A multiparameter network reveals extensive divergence between C. elegans bHLH transcription factors. Cell 138:314-27 (2009). [Pubmed]
Related annotations: PaperBLAST

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