heat shock protein binding / unfolded protein binding. similar to DNAJ heat shock N-terminal domain-containing protein / sec63 domain-containing protein [Arabidopsis thaliana] (TAIR:AT4G21180.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO49512.1); similar to unknown [Populus trichocarpa] (GB:ABK92488.1); similar to hypothetical protein OsI_014762 [Oryza sativa (indica cultivar-group)] (GB:EAY93529.1); contains InterPro domain Heat shock protein DnaJ; (InterPro:IPR003095); contains InterPro domain Sec63 (InterPro:IPR004179); contains InterPro domain Heat shock protein DnaJ, N-terminal; (InterPro:IPR001623); contains InterPro d