FUNCTION: Histone demethylase that specifically demethylates 'Lys-4' of histone H3, thereby playing a central role in histone code. Does not demethylate histone H3 'Lys-9', H3 'Lys-27', H3 'Lys-36', H3 'Lys-79' or H4 'Lys-20'. Demethylates trimethylated and dimethylated but not monomethylated H3 'Ly...
FUNCTION: Histone demethylase that specifically demethylates 'Lys-4' of histone H3, thereby playing a central role in histone code. Does not demethylate histone H3 'Lys-9', H3 'Lys-27', H3 'Lys-36', H3 'Lys-79' or H4 'Lys-20'. Demethylates trimethylated and dimethylated but not monomethylated H3 'Lys-4'. Regulates specific gene transcription through DNA-binding on 5'-CCGCCC-3' motif (PubMed:18270511). May stimulate transcription mediated by nuclear receptors. Involved in transcriptional regulation of Hox proteins during cell differentiation (PubMed:19430464). May participate in transcriptional repression of cytokines such as CXCL12. Plays a role in the regulation of the circadian rhythm and in maintaining the normal periodicity of the circadian clock. In a histone demethylase-independent manner, acts as a coactivator of the CLOCK-ARNTL/BMAL1-mediated transcriptional activation of PER1/2 and other clock-controlled genes and increases histone acetylation at PER1/2 promoters by inhibiting the activity of HDAC1 (By similarity). Seems to act as a transcriptional corepressor for some genes such as MT1F and to favor the proliferation of cancer cells (PubMed:27427228). {ECO:0000250|UniProtKB:Q3UXZ9, ECO:0000269|PubMed:11358960, ECO:0000269|PubMed:15949438, ECO:0000269|PubMed:17320160, ECO:0000269|PubMed:17320161, ECO:0000269|PubMed:17320163, ECO:0000269|PubMed:18270511, ECO:0000269|PubMed:19430464, ECO:0000269|PubMed:27427228}.
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GO - Biological processes (BP):
chromatin remodeling [GO:0006338]; circadian regulation of gene expression [GO:0032922]; histone H3-K4 demethylation [GO:0034720]; negative regulation of histone deacetylase activity [GO:1901726]; negative regulation of transcription by RNA polymerase II [GO:0000122]; positive regulation of transcri...
chromatin remodeling [GO:0006338]; circadian regulation of gene expression [GO:0032922]; histone H3-K4 demethylation [GO:0034720]; negative regulation of histone deacetylase activity [GO:1901726]; negative regulation of transcription by RNA polymerase II [GO:0000122]; positive regulation of transcription, DNA-templated [GO:0045893]; regulation of DNA-binding transcription factor activity [GO:0051090]
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GO - Molecular function (MF):
chromatin DNA binding [GO:0031490]; DNA binding [GO:0003677]; histone binding [GO:0042393]; histone demethylase activity [GO:0032452]; histone H3-tri/di/monomethyl-lysine-4 demethylase activity [GO:0034647]; methylated histone binding [GO:0035064]; transcription cis-regulatory region binding [GO:000...
chromatin DNA binding [GO:0031490]; DNA binding [GO:0003677]; histone binding [GO:0042393]; histone demethylase activity [GO:0032452]; histone H3-tri/di/monomethyl-lysine-4 demethylase activity [GO:0034647]; methylated histone binding [GO:0035064]; transcription cis-regulatory region binding [GO:0000976]; transcription coactivator activity [GO:0003713]; zinc ion binding [GO:0008270]
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GO - Cellular component (CC):
nucleolus [GO:0005730]; nucleoplasm [GO:0005654]; nucleus [GO:0005634]; protein-DNA complex [GO:0032993]...
nucleolus [GO:0005730]; nucleoplasm [GO:0005654]; nucleus [GO:0005634]; protein-DNA complex [GO:0032993]
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