Structure of PDB 1txi Chain A Binding Site BS01

Receptor Information
>1txi Chain A (length=253) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LRPKLSEEQQRIIAILLDAHHKTYDPTYSDFCQFRPPVRVNDGGGSVTLE
LSQLSMLPHLADLVSYSIQKVIGFAKMIPGFRDLTSEDQIVLLKSSAIEV
IMLRSNESFTMDDMSWTCGNQDYKYRVSDVTKAGHSLELIEPLIKFQVGL
KKLNLHEEEHVLLMAICIVSPDRPGVQDAALIEAIQDRLSNTLQTYIRCR
HPPPGSHLLYAKMIQKLADLRSLNEEHSKQYRCLSFQPECSMKLTPLVLE
VFG
Ligand information
Ligand IDTX5
InChIInChI=1S/C26H40O3/c1-18(7-5-13-25(2,3)29)23-11-12-24-20(8-6-14-26(23,24)4)10-9-19-15-21(27)17-22(28)16-19/h9-10,18,21-24,27-29H,6-8,11-12,14-17H2,1-4H3/b20-10+/t18-,21-,22-,23-,24?,26-/m1/s1
InChIKeyHHGRMHMXKPQNGF-XHJOVPLKSA-N
SMILES
SoftwareSMILES
CACTVS 3.385C[C@H](CC#CC(C)(C)O)[C@H]1CC[C@@H]2C(/CCC[C@]12C)=C/[CH]=[C@@]3C[C@@H](O)[CH2][C@H](O)C3
CACTVS 3.385C[CH](CC#CC(C)(C)O)[CH]1CC[CH]2C(CCC[C]12C)=C[CH]=[C]3C[CH](O)[CH2][CH](O)C3
OpenEye OEToolkits 2.0.7CC(CC#CC(C)(C)O)C1CCC2C1(CCCC2=CC=C3CC(CC(C3)O)O)C
OpenEye OEToolkits 2.0.7C[C@H](CC#CC(C)(C)O)[C@H]1CCC\2[C@@]1(CCC/C2=C\C=C3C[C@H](C[C@@H](C3)O)O)C
FormulaC26 H40 O3
Name(1R,3R)-5-((Z)-2-((1R,7AS)-HEXAHYDRO-1-((S)-6-HYDROXY-6-METHYLHEPT-4-YN-2-YL)-7A-METHYL-1H-INDEN-4(7AH)-YLIDENE)ETHYLIDENE)CYCLOHEXANE-1,3-DIOL;
19-NOR-14-EPI-23-YNE-1,25 DIHYDROXYVITAMIN D3;
TX522
ChEMBL
DrugBank
ZINC
PDB chain1txi Chain A Residue 500 [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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PDB1txi Superagonistic Action of 14-epi-Analogs of 1,25-Dihydroxyvitamin D Explained by Vitamin D Receptor-Coactivator Interaction
Resolution1.9 Å
Binding residue
(original residue number in PDB)
Y143 S237 R274 S275 S278 W286 H305 H397
Binding residue
(residue number reindexed from 1)
Y24 S67 R104 S105 S108 W116 H135 H227
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0004879 nuclear receptor activity
Biological Process
GO:0006355 regulation of DNA-templated transcription

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Molecular Function

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Biological Process
External links
PDB RCSB:1txi, PDBe:1txi, PDBj:1txi
PDBsum1txi
PubMed15728261
UniProtP11473|VDR_HUMAN Vitamin D3 receptor (Gene Name=VDR)

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