PMID- 8055906 OWN - NLM STAT- MEDLINE DCOM- 19940913 LR - 20190620 IS - 0014-2956 (Print) IS - 0014-2956 (Linking) VI - 223 IP - 2 DP - 1994 Jul 15 TI - A peptide C-terminal to the second Zn finger of human vitamin D receptor is able to specify nuclear localization. PG - 381-7 AB - A peptide of 27 amino acids, VDR(102-76), representing residues 76-102 immediately C-terminal to the second Zn finger of human vitamin D receptor (hVDR) was conjugated to fluorescein-labelled IgG using a bifunctional coupling reagent, m-maleimidobenzoyl n-hydroxysuccinimide. Upon microinjection into the cytoplasm of human osteosarcoma MG-63 cells, the chimeras accumulated in the nuclei. This transport was arrested by chilling or energy depletion. Two other peptides, VDR(80-67), spanning the N-terminal part of VDR(102-76), and VDR(108-97), spanning the C-terminal part of VDR(102-76), were not able to target the linked proteins to the nuclei. SV40(135-112), a peptide containing a well-characterized nuclear localization sequence (amino acids 112-135) of simian virus 40 (SV40) large T-antigen, caused complete nuclear accumulation under the same conditions. Wheat germ agglutinin, which inhibits SV40(135-112) transport, also inhibited the nuclear accumulation of VDR(102-76) as did energy depletion. FAU - Luo, Z AU - Luo Z AD - Department of Biochemistry & Biotechnology, University of Kuopio, Finland. FAU - Rouvinen, J AU - Rouvinen J FAU - Maenpaa, P H AU - Maenpaa PH LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - England TA - Eur J Biochem JT - European journal of biochemistry JID - 0107600 RN - 0 (Antigens, Polyomavirus Transforming) RN - 0 (Cross-Linking Reagents) RN - 0 (Immunoglobulin G) RN - 0 (Peptide Fragments) RN - 0 (Receptors, Calcitriol) RN - 0 (Wheat Germ Agglutinins) RN - I223NX31W9 (Fluorescein-5-isothiocyanate) SB - IM MH - Amino Acid Sequence MH - Antigens, Polyomavirus Transforming/chemistry/metabolism MH - Biological Transport MH - Cell Nucleus/*metabolism MH - Cold Temperature MH - Cross-Linking Reagents MH - Electrophoresis, Polyacrylamide Gel MH - Energy Metabolism MH - Fluorescein-5-isothiocyanate MH - Humans MH - Immunoglobulin G MH - Molecular Sequence Data MH - Osteosarcoma MH - Peptide Fragments/chemistry/*metabolism MH - Receptors, Calcitriol/chemistry/*metabolism MH - Tumor Cells, Cultured MH - Wheat Germ Agglutinins/pharmacology MH - *Zinc Fingers EDAT- 1994/07/15 00:00 MHDA- 1994/07/15 00:01 CRDT- 1994/07/15 00:00 PHST- 1994/07/15 00:00 [pubmed] PHST- 1994/07/15 00:01 [medline] PHST- 1994/07/15 00:00 [entrez] AID - 10.1111/j.1432-1033.1994.tb19004.x [doi] PST - ppublish SO - Eur J Biochem. 1994 Jul 15;223(2):381-7. doi: 10.1111/j.1432-1033.1994.tb19004.x.