LIPID MAPS® Gene/Proteome Database (LMPD)

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LMPD Record

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LMP010684

UniProt Annotations

Entry Information
Gene Namenuclear transcription factor Y subunit B-9
Protein EntryNFYB9_ARATH
UniProt IDQ9SFD8
SpeciesArabidopsis
Comments
Comment typeDescription
Developmental StageAccumulates during seed development in embryo cell types and in endosperm tissue. {ECO:0000269|PubMed:9657152}.
Disruption PhenotypeAltered response to blue light (BL) and abscisic acid (ABA). {ECO:0000269|PubMed:17322342}.
FunctionComponent of the NF-Y/HAP transcription factor complex. The NF-Y complex stimulates the transcription of various genes by recognizing and binding to a CCAAT motif in promoters. Acts as a central regulator of the embryogenesis. Required for the speciation of cotyledon identity and the completion of embryo maturation. Controls seed storage protein genes through the regulation of FUS3 and ABI3. Involved in the blue light (BL) and abscisic acid (ABA) signaling pathways. {ECO:0000269|PubMed:12578989, ECO:0000269|PubMed:15695450, ECO:0000269|PubMed:17322342, ECO:0000269|PubMed:9657152}.
Sequence CautionSequence=AAC39488.1; Type=Erroneous initiation; Note=Translation N-terminally extended.; Evidence={ECO:0000305}; Sequence=AAF16537.1; Type=Erroneous gene model prediction; Evidence={ECO:0000305};
SimilarityBelongs to the NFYB/HAP3 subunit family. {ECO:0000305}.
Subcellular LocationNucleus {ECO:0000305}.
SubunitHeterotrimeric transcription factor composed of three components, NF-YA, NF-YB and NF-YC. NF-YB and NF-YC must interact and dimerize for NF-YA association and DNA binding (By similarity). Interacts with PRN1. {ECO:0000250, ECO:0000269|PubMed:17322342}.
Tissue SpecificityExpressed in green siliques. Present in etiolated seedlings. {ECO:0000269|PubMed:11250072, ECO:0000269|PubMed:17322342}.