ISDA

Deposition Date 1999-08-02

Release Date 2000-08-03

Last Version Date 2024-02-07

Entry Detail

PDB ID:

1C9H

Keywords:

IMMUNE SYSTEM

Title:

CRYSTAL STRUCTURE OF FKBP12.6 IN COMPLEX WITH RAPAMYCIN

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.00 Å

R-Value Free:

0.24

R-Value Work:

0.20

R-Value Observed:

0.20

Space Group:

P 21 21 21

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:FKBP12.6
Gene (Uniprot):FKBP1B
Chain IDs:A
Chain Length:107
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P68106 Pfam ID:PF00254

Ligand Molecules

RAP

Primary Citation

Structure of FKBP12.6 in complex with rapamycin.

Deivanayagam, C.C, Carson, M, Thotakura, A, Narayana, S.V, Chodavarapu, R.S.Show

Acta Crystallogr.,Sect.D 56 266 271 (2000)

PMID: 10713512 DOI: 10.1107/S0907444999016571

Abstact

FKBP12.6 is a novel isoform of FKBP12, which selectively binds to the cardiac ryanodine receptor (RyR2). The crystal structure of FKBP12.6 in complex with rapamycin has now been determined at 2.0 A resolution. The structures of FKBP12.6 and FKBP12 are nearly identical, except for a displacement observed in the helical region of FKBP12.6 toward the hydrophobic pocket. This displacement was not predicted by homology modeling studies. Analyses of the residues that are likely to confer the RyR2-binding specificity are presented.

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Primary Citation of related structures