Yeastract
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YEASTRACT+ INESC-ID IST IBB
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Locus Information

Standard Name SIR3
Systematic Name YLR442C
Alias CMT1, MAR2, STE8
Strain S288c
Description Silencing protein; interacts with Sir2p, Sir4p, and histone H3/H4 tails to establish transcriptionally silent chromatin; required for spreading of silenced chromatin; recruited to chromatin through interaction with Rap1p; C-terminus assumes variant winged helix-turn-helix (wH) fold that mediates homodimerization, which is critical for holo-SIR complex loading; required for telomere hypercluster formation in quiescent yeast cells; has paralog ORC1 from whole genome duplication
External sources Open in SGD external link
Open in KEGG external link
Gene Sequence
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Promoter Sequence
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>SIR3 YLR442C
GAGTAAATGTAACACGTTGGCCTTTTTATGTTTTAAACTCCTCATGTAGGTCGTGTATGC
AGAACTTTCTGCCTGTTGTGAACCGATTTTGTTGTATGCATAATCTAAAATGATATCTAA
ACCCAAGCTTTCTAAAACCTCACGATAATCAAAAAGATAGTCCGTTCCTATGCTACTGCA
GGTACTCTTAGTAGTCGAATTCTTTACGCTATGCATATTTCCTTCAGAGTCGAATACTTC
CACCATGGTATATGTTGAATCGCACCTCCCATAAAGCGACACTGTGATGTACTGAGGAAC
ATTCTTTATCTGACTTTCGGTGTAAGCAGTCAATATATACAGTTCGGATGTTGTTAAGCC
TACACCGTTATTTTCTTCTGTAGATGTCGACTGCTCCATAGACTCTCTCAACACGGTAAA
TAAACCCGTCGTAATATCAGCAGAGTAAGTATCCAGTCGTGACATGTACAATGTTCTTGG
CGAAGAAAGGGGTCCGACAGTCAACGCCAACCCGAAAGAGATTATGAGTAATGTCGTCCC
TAATCTTAGCCACTGTACCACTTTCTCAAGGGCTGTAAGGTTCTGGAATGGCCTGGCTAT
TGTATCTCGTATTCTTGACATCACCATTTATTTTCGATCCATTAGATATGCAAGGGTATT
CGCAATGACTGATACACAAAGAAATGGTGTAAATGAAACTAAGTAGAGAGTTGACAGTGT
TAAGCAAACAACGAATCCAGGGGAACAAAGTATTCGGGACGTTTGTTTATGCGGCGTCCA
AAAGATGTATTTAAAGTTAACCATATTATGTATCAATCTAAATAAAGAAATAATTGTAAA
TTTTCATCGCATCAGTAATATGACCGCGAAAACGCTATTCTTTCCAAAAAAGTTAAAATG
AACATAGTATGAAAAAGAAAAACACATAAGCAGCCCTTTCATCACCTTCCTTACAGGGGT
TTAAGAAAGTTGTTTTGTTCTAACAATTGGATTAGCTAAA
Chr coordinates Chr XII from 1022251-1019315
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