Expression and Characterization of Human FKBP52, an Immunophilin that Associates with the 90-kDa Heat Shock Protein and is a Component of Steroid Receptor Complexes

Using an FK506 affinity column to identify mammalian immunosuppressant-binding proteins, we identified an immunophilin with an apparent Mr≈ 55,000, which we have named FKBP52. We used chemically determined peptide sequence and a computerized algorithm to search GenPept, the translated GenBank data b...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 1992-11, Vol.89 (22), p.10974-10978
Hauptverfasser: Peattie, Debra A., Harding, Matthew W., Fleming, Mark A., DeCenzo, Maureen T., Lippke, Judith A., Livingston, David J., Benasutti, Matt
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container_end_page 10978
container_issue 22
container_start_page 10974
container_title Proceedings of the National Academy of Sciences - PNAS
container_volume 89
creator Peattie, Debra A.
Harding, Matthew W.
Fleming, Mark A.
DeCenzo, Maureen T.
Lippke, Judith A.
Livingston, David J.
Benasutti, Matt
description Using an FK506 affinity column to identify mammalian immunosuppressant-binding proteins, we identified an immunophilin with an apparent Mr≈ 55,000, which we have named FKBP52. We used chemically determined peptide sequence and a computerized algorithm to search GenPept, the translated GenBank data base, and identified two cDNAs likely to encode the murine FKBP52 homolog. We amplified a murine cDNA fragment, used it to select a human FKBP52 (hFKBP52) cDNA clone, and then used the clone to deduce the hFKBP52 sequence (calculated Mr51,810) and to express hFKBP52 in Escherichia coli. Recombinant hFKBP52 has peptidyl-prolyl cis-trans isomerase activity that is inhibited by FK506 and rapamycin and an FKBP12-like consensus sequence that probably defines the immunosuppressant-binding site. FKBP52 is apparently common to several vertebrate species and associates with the 90-kDa heat shock protein (hsp90) in untransformed mammalian steroid receptor complexes. The putative immunosuppressant-binding site is probably distinct from the hsp90-binding site, and we predict that FKBP52 has different structural domains to accommodate these functions. hFKBP52 contains 12 protein kinase phosphorylation-site motifs and a potential calmodulin-binding site, implying that posttranslational phosphorylation could generate multiple isoforms of the protein and that calmodulin and intracellular Ca2+levels could affect FKBP52 function. FKBP52 transcripts are present in a variety of human tissues and could vary in abundance and/or stability.
doi_str_mv 10.1073/pnas.89.22.10974
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The putative immunosuppressant-binding site is probably distinct from the hsp90-binding site, and we predict that FKBP52 has different structural domains to accommodate these functions. hFKBP52 contains 12 protein kinase phosphorylation-site motifs and a potential calmodulin-binding site, implying that posttranslational phosphorylation could generate multiple isoforms of the protein and that calmodulin and intracellular Ca2+levels could affect FKBP52 function. 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Psychology ; genes ; Heat shock proteins ; Heat-Shock Proteins - genetics ; Heat-Shock Proteins - isolation &amp; purification ; Heat-Shock Proteins - metabolism ; Humans ; Immunity (Disease) ; immunophilin ; Immunosuppressants ; Macromolecular Substances ; man ; Mice ; Molecular Sequence Data ; Molecular Weight ; nucleotide sequence ; Oligodeoxyribonucleotides ; Organ Specificity ; Peptidylprolyl Isomerase ; predictions ; Proteins ; receptors ; Receptors, Steroid - metabolism ; Recombinant Proteins - isolation &amp; purification ; Recombinant Proteins - metabolism ; Regional identity ; Restriction Mapping ; RNA Probes ; Sequence Homology, Amino Acid ; Skeletal muscle ; Steroid receptors ; steroids ; Substrate specificity ; Tacrolimus - metabolism ; Transcription, Genetic</subject><ispartof>Proceedings of the National Academy of Sciences - PNAS, 1992-11, Vol.89 (22), p.10974-10978</ispartof><rights>Copyright 1992 The National Academy of Sciences of the United States of America</rights><rights>1993 INIST-CNRS</rights><rights>Copyright National Academy of Sciences Nov 15, 1992</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c554t-381f4056346c134af147f1f20d3898d2f07398b79d8ffa5c2a3ca089435cf8133</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://www.pnas.org/content/89/22.cover.gif</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2362034$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2362034$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,723,776,780,799,881,27903,27904,53769,53771,57995,58228</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=4502083$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1279700$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Peattie, Debra A.</creatorcontrib><creatorcontrib>Harding, Matthew W.</creatorcontrib><creatorcontrib>Fleming, Mark A.</creatorcontrib><creatorcontrib>DeCenzo, Maureen T.</creatorcontrib><creatorcontrib>Lippke, Judith A.</creatorcontrib><creatorcontrib>Livingston, David J.</creatorcontrib><creatorcontrib>Benasutti, Matt</creatorcontrib><title>Expression and Characterization of Human FKBP52, an Immunophilin that Associates with the 90-kDa Heat Shock Protein and is a Component of Steroid Receptor Complexes</title><title>Proceedings of the National Academy of Sciences - PNAS</title><addtitle>Proc Natl Acad Sci U S A</addtitle><description>Using an FK506 affinity column to identify mammalian immunosuppressant-binding proteins, we identified an immunophilin with an apparent Mr≈ 55,000, which we have named FKBP52. 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The putative immunosuppressant-binding site is probably distinct from the hsp90-binding site, and we predict that FKBP52 has different structural domains to accommodate these functions. hFKBP52 contains 12 protein kinase phosphorylation-site motifs and a potential calmodulin-binding site, implying that posttranslational phosphorylation could generate multiple isoforms of the protein and that calmodulin and intracellular Ca2+levels could affect FKBP52 function. FKBP52 transcripts are present in a variety of human tissues and could vary in abundance and/or stability.</abstract><cop>Washington, DC</cop><pub>National Academy of Sciences of the United States of America</pub><pmid>1279700</pmid><doi>10.1073/pnas.89.22.10974</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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subjects Amino Acid Isomerases - genetics
Amino Acid Isomerases - isolation & purification
Amino Acid Isomerases - metabolism
Amino Acid Sequence
Analytical, structural and metabolic biochemistry
Base Sequence
Binding and carrier proteins
Binding Sites
Biochemistry
Biological and medical sciences
Blotting, Northern
Carrier Proteins - genetics
Carrier Proteins - isolation & purification
Carrier Proteins - metabolism
cDNA
Cloning, Molecular
Complementary DNA
complex
Escherichia coli - genetics
expression
FKBP52 protein
Fundamental and applied biological sciences. Psychology
genes
Heat shock proteins
Heat-Shock Proteins - genetics
Heat-Shock Proteins - isolation & purification
Heat-Shock Proteins - metabolism
Humans
Immunity (Disease)
immunophilin
Immunosuppressants
Macromolecular Substances
man
Mice
Molecular Sequence Data
Molecular Weight
nucleotide sequence
Oligodeoxyribonucleotides
Organ Specificity
Peptidylprolyl Isomerase
predictions
Proteins
receptors
Receptors, Steroid - metabolism
Recombinant Proteins - isolation & purification
Recombinant Proteins - metabolism
Regional identity
Restriction Mapping
RNA Probes
Sequence Homology, Amino Acid
Skeletal muscle
Steroid receptors
steroids
Substrate specificity
Tacrolimus - metabolism
Transcription, Genetic
title Expression and Characterization of Human FKBP52, an Immunophilin that Associates with the 90-kDa Heat Shock Protein and is a Component of Steroid Receptor Complexes
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