Os02g0747900

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Annotated Information

Function

Os02g0747900 (LOC_Os02g51320 in MSU Rice Genome Annotation Project) is an atypical bHLH of unknown function and was named Os170 and belonging to subfamily 16 of bHLH proteins in a phylogenetic study (Carretero-Paulet et al. 2010). Phylogenetic analysis of amino acid sequences of members of subfamily 16 revealed that the closest homolog of Os02g0747900 is a rice bHLH protein BRASSIONOSTEROID UPREGULATED 1 (BU1, Tanaka et al. 2009) with 90.8% amino acid identity . Many members of subfamily 16, such as rice Ili1 and BU1, Arabidopsis PRE1 and ATBS1 and tomato Style2.1, were reported to control cell elongation and expansion in specific organs probably through heterodimerization with other bHLH proteins (Wang et al. 2009, Zhang et al. 2009). In addition, PGL1 (Os03g0171300) as a positive regulator of the grain length and weight of rice (Heang and Sassa 2012). However, the function of Os02g0747900 has not been elucidated yet. Os02g0747900 as PGL2 (POSITIVE REGULATOR OF GRAIN LENGTH 2) based on functional analyses . PGL2 has 52.9% and 94.3% whole amino acid identity and similarity, respectively, to PGL1 and 48.1% and 98.1% identity and similarity, respectively, in the HLH domain alone.

Expression

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Evolution

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Structured Information

Gene Name	Os02g0747900
Description	Helix-loop-helix DNA-binding domain containing protein
Version	NM_001054653.2 GI:297599921 GeneID:4330725
Length	1269 bp
Definition	Oryza sativa Japonica Group Os02g0747900, complete gene.
Source	Oryza sativa Japonica Group ORGANISM Oryza sativa Japonica Group Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliophyta; Liliopsida; Poales; Poaceae; BEP clade; Ehrhartoideae; Oryzeae; Oryza.
Chromosome	Chromosome 2
Location	Chromosome 2:32310829..32312097
Sequence Coding Region	32311348..32311509
Expression	GEO Profiles:Os02g0747900
Genome Context	<gbrowseImage1> name=NC_008395:32310829..32312097 source=RiceChromosome02 preset=GeneLocation </gbrowseImage1>
Gene Structure	<gbrowseImage2> name=NC_008395:32310829..32312097 source=RiceChromosome02 preset=GeneLocation </gbrowseImage2>
Coding Sequence	<cdnaseq>atgcaggcgtcgacgacgaagctgctgaaggagacgtgcaactacatcaagagccttcaccgggaggtggatgacctcagcgaccggctgtccgacctcatggccaccatggatcacaacagccccggcgcggagatcatccgcagcatcctccgctcctga</cdnaseq>
Protein Sequence	<aaseq>MQASTTKLLKETCNYIKSLHREVDDLSDRLSDLMATMDHNSPGA EIIRSILRS</aaseq>
Gene Sequence	<dnaseqindica>589..750#acacacttctcccatccagctagcttttgcagatcgagcgaaccttcaacacaaaccggccagcttgttcctctcctctctctctctctctctctctctctcggtcgcagccagctaacttcgagtgtgaagaacactcacgctagctagctttctcaaggccacatacgctagctccgcctccacgcgcggcgtacgtctagtttgattgaggctgaagagagtgcgtgtttggtagaagaggctagctgttgacgatgtcgagcagaaggtcgtcgcgtggctccatctcggaggaggaaatcaacgagctcatctccaagctccagtcgctgctccccaactcacgccgacgcggctccagccaggtagctaaccacattcttgcatacgccaactgcttgtgtactgctagtgtgctgccactttggtagtagctataggtttgctttcggtgaacacagaagtggctactactagaacaatccacacactactatagtcgtgtgtgtgggtggtggtttggggttaagcccgtgagcgattcggtgtgtgttttgtctgcacgagacgagtaatgtggcgttaatgcaggcgtcgacgacgaagctgctgaaggagacgtgcaactacatcaagagccttcaccgggaggtggatgacctcagcgaccggctgtccgacctcatggccaccatggatcacaacagccccggcgcggagatcatccgcagcatcctccgctcctgatcggcaagcagcagcagcaagcggcaccggccggccggccggcctatgtcgacgacgagataggccgggccggccgggcaacgcccgcggcgccaattaatcaagcgtacgtcctgccggcgccattctccggccaccagagagcatttagctagggtatatatatctacatatataaaatatttatgtcgtatgtccctccccaaatgtacgagccacgcttacacgcgcgtgtatcgatctctcgatctctctctctaagctccactcgaagtagggcattagcactaggggcctaagcagaggcttatcctcgctttagctcatattttcatcgcttgatgtgtcctctctgaacccccacatcttgtcttgtttggtttttccctctcccttccaatctatgtaaatttagctggtgtggtttggatcgagttgtgtcctctacagacaaccgaccgaccactactacctagaggaaattaatatcatcatgggtgtactgctccagctttaact</dnaseqindica>
External Link(s)	NCBI Gene:Os02g0747900, RefSeq:Os02g0747900