Structure of PDB 1bkf Chain A Binding Site BS01

Receptor Information
>1bkf Chain A (length=107) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKFDSSRDKNKPFKFML
GKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGVPGIIPPHATLVFD
VELLKLE
Ligand information
Ligand IDFK5
InChIInChI=1S/C44H69NO12/c1-10-13-31-19-25(2)18-26(3)20-37(54-8)40-38(55-9)22-28(5)44(52,57-40)41(49)42(50)45-17-12-11-14-32(45)43(51)56-39(29(6)34(47)24-35(31)48)27(4)21-30-15-16-33(46)36(23-30)53-7/h10,19,21,26,28-34,36-40,46-47,52H,1,11-18,20,22-24H2,2-9H3/b25-19+,27-21+/t26-,28+,29+,30-,31+,32-,33+,34-,36+,37-,38-,39+,40+,44+/m0/s1
InChIKeyQJJXYPPXXYFBGM-LFZNUXCKSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC1CC(C2C(CC(C(O2)(C(=O)C(=O)N3CCCCC3C(=O)OC(C(C(CC(=O)C(C=C(C1)C)CC=C)O)C)C(=CC4CCC(C(C4)OC)O)C)O)C)OC)OC
CACTVS 3.341CO[C@@H]1C[C@@H](CC[C@H]1O)/C=C(C)/[C@H]2OC(=O)[C@@H]3CCCCN3C(=O)C(=O)[C@]4(O)O[C@H]([C@H](C[C@@H](C)C\C(=C\[C@@H](CC=C)C(=O)C[C@H](O)[C@H]2C)C)OC)[C@H](C[C@H]4C)OC
ACDLabs 10.04O=C3C(=O)N1CCCCC1C(=O)OC(C(=C/C2CCC(O)C(OC)C2)/C)C(C)C(O)CC(=O)C(C=C(CC(CC(OC)C4OC3(O)C(C)CC4OC)C)C)C\C=C
OpenEye OEToolkits 1.5.0C[C@@H]1C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H]([C@@H]([C@H](CC(=O)[C@@H](\C=C(\C1)/C)CC=C)O)C)/C(=C/[C@@H]4CC[C@H]([C@@H](C4)OC)O)/C)O)C)OC)OC
CACTVS 3.341CO[CH]1C[CH](CC[CH]1O)C=C(C)[CH]2OC(=O)[CH]3CCCCN3C(=O)C(=O)[C]4(O)O[CH]([CH](C[CH](C)CC(=C[CH](CC=C)C(=O)C[CH](O)[CH]2C)C)OC)[CH](C[CH]4C)OC
FormulaC44 H69 N O12
Name8-DEETHYL-8-[BUT-3-ENYL]-ASCOMYCIN;
K506
ChEMBLCHEMBL269732
DrugBankDB00864
ZINCZINC000169289411
PDB chain1bkf Chain A Residue 108 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1bkf Conformation of Fk506 in X-Ray Structures of its Complexes with Human Recombinant Fkbp12 Mutants
Resolution1.6 Å
Binding residue
(original residue number in PDB)		Y26 D37 F46 E54 V55 I56 W59 Y82
Binding residue
(residue number reindexed from 1)		Y26 D37 F46 E54 V55 I56 W59 Y82
Annotation score1
Binding affinityMOAD: Ki=2.1nM
BindingDB: Kd=0.200000nM,EC50=0.900000nM,Ki=0.40nM,IC50=2.3nM
Enzymatic activity
Catalytic site (original residue number in PDB) Y26 F36 D37 I56 Y82 F99
Catalytic site (residue number reindexed from 1) Y26 F36 D37 I56 Y82 F99
Enzyme Commision number 5.2.1.8: peptidylprolyl isomerase.
Gene Ontology
Molecular Function
GO:0003755 peptidyl-prolyl cis-trans isomerase activity
GO:0005160 transforming growth factor beta receptor binding
GO:0005515 protein binding
GO:0005527 macrolide binding
GO:0005528 FK506 binding
GO:0016247 channel regulator activity
GO:0030547 signaling receptor inhibitor activity
GO:0034713 type I transforming growth factor beta receptor binding
GO:0044325 transmembrane transporter binding
GO:0070411 I-SMAD binding
GO:0070697 activin receptor binding
Biological Process
GO:0000413 protein peptidyl-prolyl isomerization
GO:0003007 heart morphogenesis
GO:0006457 protein folding
GO:0006458 'de novo' protein folding
GO:0014809 regulation of skeletal muscle contraction by regulation of release of sequestered calcium ion
GO:0022417 protein maturation by protein folding
GO:0030512 negative regulation of transforming growth factor beta receptor signaling pathway
GO:0032092 positive regulation of protein binding
GO:0032880 regulation of protein localization
GO:0032926 negative regulation of activin receptor signaling pathway
GO:0042026 protein refolding
GO:0042110 T cell activation
GO:0043123 positive regulation of canonical NF-kappaB signal transduction
GO:0050776 regulation of immune response
GO:0055010 ventricular cardiac muscle tissue morphogenesis
GO:0060314 regulation of ryanodine-sensitive calcium-release channel activity
GO:0060347 heart trabecula formation
GO:0070588 calcium ion transmembrane transport
GO:0097435 supramolecular fiber organization
GO:1902991 regulation of amyloid precursor protein catabolic process
GO:1990000 amyloid fibril formation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0014802 terminal cisterna
GO:0016020 membrane
GO:0016529 sarcoplasmic reticulum
GO:0030018 Z disc
GO:0033017 sarcoplasmic reticulum membrane
GO:0098562 cytoplasmic side of membrane
GO:1990425 ryanodine receptor complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1bkf, PDBe:1bkf, PDBj:1bkf
PDBsum1bkf
PubMed
UniProtP62942|FKB1A_HUMAN Peptidyl-prolyl cis-trans isomerase FKBP1A (Gene Name=FKBP1A)

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