Title : An active FK506-binding domain of 17,000 daltons is isolated following limited proteolysis of chicken thymus hsp56.

Pub. Date : 1993 Nov 30

PMID : 7504525






4 Functional Relationships(s)
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1 An active FK506-binding domain of 17,000 daltons is isolated following limited proteolysis of chicken thymus hsp56. Tacrolimus FKBP prolyl isomerase 4 Homo sapiens
2 We now report that hsp56 is also found to be a major immunophilin in chicken thymus, by virtue of binding to FK506-Affi-Gel-10 as well as positive cross-reactivity with a polyclonal antiserum directed against human hsp56. Tacrolimus FKBP prolyl isomerase 4 Homo sapiens
3 Peptide mapping provided additional proof that p17 is a fragment which comprises the entire FK506 binding domain I of chicken hsp56, terminating with an Arg-Lys which might represent a processing site. Tacrolimus FKBP prolyl isomerase 4 Homo sapiens
4 This work demonstrates the excision of a domain from an hsp56 protein that is active in binding FK506 and functionally distinct from FKBP-12, a protein of similar size and structure. Tacrolimus FKBP prolyl isomerase 4 Homo sapiens