SMP1 (swellmap 1); nucleic acid binding. Identical to Pre-mRNA-splicing factor SLU7-A [Arabidopsis Thaliana] (GB:Q9SHY8;GB:O04483;GB:Q84WT4); similar to SMP2 (swellmap 2) [Arabidopsis thaliana] (TAIR:AT4G37120.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO71409.1); similar to predicted protein [Physcomitrella patens subsp. patens] (GB:EDQ79297.1); similar to hypothetical protein OsI_026691 [Oryza sativa (indica cultivar-group)] (GB:EAZ05459.1); contains InterPro domain Zinc finger, CCHC-type; (InterPro:IPR001878)