Structure of PDB 2hka Chain B Binding Site BS01

Receptor Information
>2hka Chain B (length=130) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EPVKFKDCGSWVGVIKEVNVSPCPTQPCKLHRGQSYSVNVTFTSNTQSQS
SKAVVHGIVMGIPVPFPIPESDGCKSGIRCPIEKDKTYNYVNKLPVKNEY
PSIKVVVEWELTDDKNQRFFCWQIPIEVEA
Ligand information
Ligand IDSO4
InChIInChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
InChIKeyQAOWNCQODCNURD-UHFFFAOYSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0[O-]S(=O)(=O)[O-]
CACTVS 3.341[O-][S]([O-])(=O)=O
ACDLabs 10.04[O-]S([O-])(=O)=O
FormulaO4 S
NameSULFATE ION
ChEMBL
DrugBankDB14546
ZINC
PDB chain2hka Chain B Residue 701 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hka Structural Basis of Sterol Binding by NPC2, a Lysosomal Protein Deficient in Niemann-Pick Type C2 Disease
Resolution1.81 Å
Binding residue
(original residue number in PDB)		E1 N19
Binding residue
(residue number reindexed from 1)		E1 N19
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0015485 cholesterol binding
GO:0019899 enzyme binding
GO:0032934 sterol binding
GO:0120020 cholesterol transfer activity
Biological Process
GO:0006869 lipid transport
GO:0008203 cholesterol metabolic process
GO:0009615 response to virus
GO:0010467 gene expression
GO:0010878 cholesterol storage
GO:0015918 sterol transport
GO:0016125 sterol metabolic process
GO:0030301 cholesterol transport
GO:0032366 intracellular sterol transport
GO:0032367 intracellular cholesterol transport
GO:0033344 cholesterol efflux
GO:0042632 cholesterol homeostasis
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005764 lysosome
GO:0005783 endoplasmic reticulum

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2hka, PDBe:2hka, PDBj:2hka
PDBsum2hka
PubMed17573352
UniProtP79345|NPC2_BOVIN NPC intracellular cholesterol transporter 2 (Gene Name=NPC2)

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